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Calibration and characterization certificates: 1607 issued since 2000

For other services offered by the BIPM, please refer to the summary charts for chemistry, electricity, ionizing radiation, mass and time.
Note on the impact of the redefinition of the kilogram on BIPM mass calibration uncertainties
2019
No. 14 Ion chamber Exradin A19, No. XAQ170232 in mediumenergy x-rays NRPA, Norway
No. 13 Zener voltage standard, No. 2169033 EMI, United Arab Emirates
No. 12 1 kg stainless steel mass standard, No. 1kr2 NMIM, Malaysia
No. 11 1 kg stainless steel mass standard, No. M1 NMIM, Malaysia
No. 10 1 kg stainless steel mass standard, No. LM-043 MIRS, Slovenia
No. 9 1 kg stainless steel mass standard, No. LM-042 MIRS, Slovenia
No. 8 1 kg stainless steel mass standard, No. LM-040 MIRS, Slovenia
No. 7 1 kg stainless steel mass standard, No. PTB48 INTI, Argentina
No. 6 1 kg stainless steel mass standard, No. K30 INTI, Argentina
No. 5 1 kg stainless steel mass standard, No. MP070 INMETRO, Brazil
No. 4 1 kg stainless steel mass standard, Np. MP060 INMETRO, Brazil
No. 3 1 kg mass prototype, No. 66 Brazil
No. 2 1 kg mass prototype, No. 18 United Kingdom
No. 1 1 kg mass prototype, No. 55 Germany

2018
No. 76 10 kΩ standard resistor, No. J1-0824605 BIM, Bulgaria
No. 75 10 kΩ standard resistor, No. J1-0824604 BIM, Bulgaria
No. 74 100 Ω standard resistor, No. J1-0824603 BIM, Bulgaria
No. 73 100 Ω standard resistor, No. 11769/12 BIM, Bulgaria
No. 72 100 Ω standard resistor, No. 11769/11 BIM, Bulgaria
No. 71 100 Ω standard resistor, No. 279213 BIM, Bulgaria
No. 70 1 Ω standard resistor, No. 274978 BIM, Bulgaria
No. 69 1 Ω standard resistor, No. 1100576 BIM, Bulgaria
No. 68 1 Ω standard resistor, No. 1100574 BIM, Bulgaria
No. 67 10 kΩ standard resistor, No. 209089030104 INMETRO, Brazil
No. 66 10 kΩ standard resistor, No. 043007 INMETRO, Brazil
No. 65 1 Ω standard resistor, No. 1883427 INMETRO, Brazil
No. 64 1 Ω standard resistor, No. 1711458 INMETRO, Brazil
No. 63 Ion chamber Radcal RC6M, No. 9065 in mammography beams NRPA, Norway
No. 62 Ion chamber Radcal RC6M, No. 9065 in low-energy x-rays NRPA, Norway
No. 61 Ion chamber Exradin A19, No. XAQ170232 in Co-60 NRPA, Norway
No. 60 Ion chamber Capintec PR-06G, No. 8429 in Co-60 NRPA, Norway
No. 59 100 pF capacitance standard, No. 01216 VSL, Netherlands
No. 58 10 pF capacitance standard, No. 01017 VSL, Netherlands
No. 57 10 pF capacitance standard, No. 01017 VSL, Netherlands
No. 56 10 pF capacitance standard, No. 01016 VSL, Netherlands
No. 55 Zener voltage standard, No. 5740201 SMD, Belgium
No. 54 100 pF capacitance standard, No. 01326 CMI, Czechia
No. 53 100 pF capacitance standard, No. 01323 CMI, Czechia
No. 52 10 pF capacitance standard, No. 01181 CMI, Czechia
No. 51 10 kΩ standard resistor, No. 1860340 INM, Colombia
No. 50 10 kΩ standard resistor, No. 1860336 INM, Colombia
No. 49 1 Ω standard resistor, No. 1870614 INM, Colombia
No. 48 1 Ω standard resistor, No. 1870613 INM, Colombia
No. 47 100 Ω standard resistor, No. 274887 DFM, Denmark
No. 46 Zener voltage standard, No. 6260014 INM, Colombia
No. 45 Zener voltage standard, No. 6625011 INM, Colombia
No. 44 100 pF capacitance standards, No. 01240 NMC, A*STAR, Singapore
No. 43 10 pF capacitance standard, No. 01244 NMC, A*STAR, Singapore
No. 42 1 pF capacitance standards, No. 01245 NMC, A*STAR, Singapore
No. 41 1 kg mass standard, 4S2 VSL, Netherlands
No. 40 1 kg mass standard, 3S2 VSL, Netherlands
No. 39 1 kg mass prototype, No. 16 Hungary
No. 38 Ion chamber, Radcal RC6M-9643 in low-energy x-ray beams CRRD, Argentina
No. 37 Ion chamber, Radcal RC6M-9643 in mammography beams CRRD, Argentina
No. 36 10 kΩ standard resistor, J2-1529650 EMI, United Arab Emirates
No. 35 10 kΩ standard resistor, J2-1529649 EMI, United Arab Emirates
No. 34 1 Ω standard resistor, 14395 EMI, United Arab Emirates
No. 33 Zener voltage standard, No. 6120008 SIRIM, Malaysia
No. 32 Ion chamber Radcal RC6M, No. 9643 in low-energy x-ray beams IAEA
No. 31 Ion chamber Radcal RC6M, No. 10183 in mammography beams IAEA
No. 30 100 Ω standard resistor, A201101SR102 NMC, A*STAR, Singapore
No. 29 Ozone analyser, Teledyne API 400E NILU, Norway
No. 28 100 pF capacitance standard, No. 02006 NIS, Egypt
No. 27 10 pF capacitance standard, No. 02004 NIS, Egypt
No. 26 100 pF capacitance standard, No. 1507 GUM, Poland
No. 25 10 pF capacitance standard, No. 01027 GUM, Poland
No. 24 10 pF capacitance standard, No. 01026 GUM, Poland
No. 23 10 pF capacitance standard, No. 01025 GUM, Poland
No. 22 100 pF capacitance standard, No. 01665 NMIJ, Japan
No. 21 10 pF capacitance standard, No. 01664 NMIJ, Japan
No. 20 100 Ω standard resistor, No. 274468 NIMT, Thailand
No. 19 1 Ω standard resistor, No. 1711387 NIMT, Thailand
No. 18 10 Ω standard resistor, No. K201090330104 NIMT, Thailand
No. 17 10 Ω standard resistor, No. K201100430104 NIMT, Thailand
No. 16 10 Ω standard resistor, No. 1917542 NIMT, Thailand
No. 15 100 Ω standard resistor, No. J2-1714657 NIMT, Thailand
No. 14 100 Ω standard resistor, No. A2010106SR102 NIMT, Thailand
No. 13 1 Ω standard resistor, No. 285282 NIMT, Thailand
No. 12 1 Ω standard resistor, No. 1915096 NIMT, Thailand
No. 11 1 kg mass standard, No. 33 DMDM, Serbia
No. 10 1 kg mass standard, No. P120684 HMI, Croatia
No. 9 1 kg mass standard, No. P0296 HMI, Croatia
No. 8 1 kg mass standard, No. 013504/00 EIM, Greece
No. 7 1 kg mass standard, No. 013501/00 EIM, Greece
No. 6 1 kg mass standard, No. 112492 RCM-LIPI, Indonesia
No. 5 1 kg mass standard, No. 75 RCM-LIPI, Indonesia
No. 4 1 kg mass standard, No. 74 RCM-LIPI, Indonesia
No. 3 1 kg mass standard, No. 1950507 LATU, Uruguay
No. 2 1 kg mass standard, No. ID142131 EMI, United Arab Emirates
No. 1 1 kg mass standard, No. ID142130 EMI, United Arab Emirates

2017
No. 87 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01283 SMD-ENS, Belgium
No. 86 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01277 SMD-ENS, Belgium
No. 85 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01614 SMD-ENS, Belgium
No. 84 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01613 SMD-ENS, Belgium
No. 83 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01059 NRC, Canada
No. 82 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01468 NRC, Canada
No. 81 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01071 CENAM, Mexico
No. 80 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01068 CENAM, Mexico
No. 79 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01067 CENAM, Mexico
No. 78 100 Ω standard resistor, No. 270982 SIQ, Slovenia
No. 77 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01645 CEM, Spain
No. 76 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01644 CEM, Spain
No. 75 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01643 CEM, Spain
No. 74 10 kΩ standard resistor, No. 6390020 SIQ, Slovenia
No. 73 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01669 UME, Turkey
No. 72 100 pf capacitance standard, Andeen-Hagerling model AH11A, No. 01197 UME, Turkey
No. 71 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01079 UME, Turkey
No. 70 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01076 UME, Turkey
No. 69 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01203 UME, Turkey
No. 68 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01200 UME, Turkey
No. 67 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01184 SIQ, Slovenia
No. 66 10 kΩ standard resistor, No. 5885010 INM, Romania
No. 65 10 kΩ standard resistor, No. 5885009 INM, Romania
No. 64 1 Ω standard resistor, No. 017103 INM, Romania
No. 63 1 Ω standard resistor, No. 017112 INM, Romania
No. 62 Zener solid-state voltage standard 732B, No. 1978032 SASO, Saudi Arabia
No. 61 Zener solid-state voltage standard 732B, No. 1978031 SASO, Saudi Arabia
No. 60 Zener solid-state voltage standard 732B, No. 6945016 BIM, Bulgaria
No. 59 Zener solid-state voltage standard 732A, No. 3705015 SIQ, Slovenia
No. 58 Zener solid-state voltage standard 732B, No. 6950005 SIQ, Slovenia
No. 57 Zener solid-state voltage standard 732B, No. 6885001 SIQ, Slovenia
No. 56 Ionization chamber, Radcal 10X5-6M-9200 in low-energy x-rays SSM, Sweden
No. 55 Ionization chamber, Exradin A3-169 in medium-energy x-rays SSM, Sweden
No. 54 Ionization chamber, FC65G-3106, in a 60Co gamma-ray beam SSM, Sweden
No. 53 Ionization chamber, NE2571-2597, in a 60Co gamma-ray beam SSM, Sweden
No. 52 Ionization chamber, LS10, No. 130, in radiation protection beams IAEA
No. 51 Ionization chamber, Exradin A6, No. XQ090164, in radiation protection beams IAEA
No. 50 Ionization chamber, LS01, No. 115, in radiation protection beams IAEA
No. 49 Ionization chamber, HS01, No. 102, in radiation prtection beams IAEA
No. 48 1 kg mass prototype, No. 54 Turkey
No. 47 1 kg mass prototype, No. 107 Pakistan
No. 46 1 kg mass prototype, No. 111 Korea (Republic of)
No. 45 1 kg mass prototype, No. 72 Korea (Republic of)
No. 44 10 kΩ standard resistor, No. 616007 SMD, Belgium
No. 43 10 kΩ standard resistor, No. 50804 SMD, Belgium
No. 42 100 Ω standard resistor, No. A2020199 SMD, Belgium
No. 41 100 Ω standard resistor, No. A2010200 SMD, Belgium
No. 40 1 Ω standard resistor, No. 1890794 SMD, Belgium
No. 39 1 Ω standard resistor, No. 1870791 SMD, Belgium
No. 38 10 kΩ standard resistor, No. G207078730104 NMC, A*STAR, Singapore
No. 37 1 Ω standard resistor, No. 64206 NMC, A*STAR, Singapore
No. 36 Ionization chamber, NE 2561, No. 156, in medium-energy x-rays CRRD, Argentina
No. 35 Ionization chamber, NE 2611A, No. 133, in a 60Co beam CRRD, Argentina
No. 34 10 kΩ standard resistor, No. 196 ISIRI, Iran (Islamic Republic of)
No. 33 10 kΩ standard resistor, No. 176 ISIRI, Iran (Islamic Republic of)
No. 32 10 kΩ standard resistor, No. 144 ISIRI, Iran (Islamic Republic of)
No. 31 Ionization chamber, PTW 34069, No. 195, in low-energy x-rays NIS, Egypt
No. 30 Ionization chamber, NE 2530, No. 424, in a 137Cs beam NIS, Egypt
No. 29 Ionization chamber, PTW 23343, No. 2862, in low-energy x-rays NIS, Egypt
No. 28 Ionization chamber, NE 2561, No. 229, in a 60Co beam NIS, Egypt
No. 27 Ionization chamber, NE 2561, No. 229, in medium energy x-rays NIS, Egypt
No. 26 Ionization chamber, NE 2571, No. 1262, in a 60Co beam NIS, Egypt
No. 25 Ionization chamber, NE 2571, No. 1262, in medium energy x-rays NIS, Egypt
No. 24 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01695 NIMT, Thailand
No. 23 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01694 NIMT, Thailand
No. 22 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01693 NIMT, Thailand
No. 21 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01360 NIMT, Thailand
No. 20 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01359 NIMT, Thailand
No. 19 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01358 NIMT, Thailand
No. 18 100 Ω standard resistor, No. 248814 MSL, New Zealand
No. 17 1 Ω standard resistor, No. 246570 MSL, New Zealand
No. 16 1 Ω standard resistor, No. 274977 EIM, Greece
No. 15 100 Ω standard resistor, No. 279254 EIM, Greece
No. 14 100 Ω standard resistor, No. 275022 EIM, Greece
No. 13 10 kΩ standard resistor, No. 274916 EIM, Greece
No. 12 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01352 NPLI, India
No. 11 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01351 BEV, Austria
No. 10 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01661 BEV, Austria
No. 9 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01469 BEV, Austria
No. 8 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01335 BEV, Austria
No. 7 Ionization chamber PTW TM 34069, No. 163, in mammography x-rays IST, Portugal
No. 6 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1611312 BEV, Austria
No. 5 1 Ω resistance standard, NMIA, NML type, No. 64191 BEV, Austria
No. 4 100 Ω resistance standard, Fluke type 742A-100, No. 6405003 BEV, Austria
No. 3 10 000 Ω resistance standard, Leeds and Northrup type 4214B, No. 1784815 BEV, Austria
No. 2 Ionization chamber PTW TM30001, No. 1576, in a 60Co gamma-ray beam IST, Portugal
No. 1 1 kg mass prototype, No. 75 SCL, Hong Kong (China)

2016
No. 88 10 000 Ω resistance standard, Guildline type 9330, No. 40694 GUM, Poland
No. 87 100 Ω resistance standard, ZIP type P331, No. 097292 GUM, Poland
No. 86 1 Ω resistance standard, Guildline type 9330, No. 41394 GUM, Poland
No. 85 1 Ω resistance standard, Guildline type 9330, No. 40731 GUM, Poland
No. 84 1 Ω resistance standard, ZIP type P321 GUM, Poland
No. 83 1 Ω resistance standard, Tinsley type 5658A, No. 17894/18 MKEH, Hungary
No. 82 1 Ω resistance standard, ZIP type P321, No. 470419 MKEH, Hungary
No. 81 1 Ω resistance standard, ZIP type P321, No. 076124 MKEH, Hungary
No. 80 10 000 Ω resistance standard, ZIP type P331, No. 115021 MKEH, Hungary
No. 79 Ionization chamber NE 2571, No. 2676, in a 60Co gamma-ray beam GUM, Poland
No. 78 Ionization chamber Exradin A6, No. XQ040063, in gamma-ray beams SSM, Sweden
No. 77 Ionization chamber PTW 30010, No. 132, in low-energy x-rays NMISA, South Africa
No. 76 Ionization chamber PTW 30010, No. 132, in medium-energy x-rays NMISA, South Africa
No. 75 Ionization chamber PTW 30010, No. 132, in a 60Co gamma-ray beam NMISA, South Africa
No. 74 1 kg mass prototype, No. 110 China
No. 73 1 kg mass standard, "LM-043" MIRS, Slovenia
No. 72 1 kg mass standard, "LM-042" MIRS, Slovenia
No. 71 1 kg mass standard, "LM-040" MIRS, Slovenia
No. 70 1 kg mass standard, "NSCCL" CESMEC, Chile
No. 69 1 kg mass standard, "4S2" VSL, Netherlands
No. 68 1 kg mass standard, "3S2" VSL, Netherlands
No. 67 1 kg mass standard in Nicral D, "71" NMCI, Iran (Islamic Republic of)
No. 66 1 kg mass prototype, No. 55 Germany
No. 65 10 000 Ω resistance standard, Tinsley type 5685B, No. 15807/02 DMDM, Serbia
No. 64 10 000 Ω resistance standard, Tinsley type 5685B, No. 270 356 DMDM, Serbia
No. 63 100 Ω resistance standard, Tinsley type 5685A, No. 8738/19 DMDM, Serbia
No. 62 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1758737 DMDM, Serbia
No. 61 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1758735 DMDM, Serbia
No. 60 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1755134 DMDM, Serbia
No. 59 10 000 Ω resistance standard, ESI type SR104, No. J207119030104 IPQ, Portugal
No. 58 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1799595 IPQ, Portugal
No. 57 10 000 Ω resistance standard, Leeds and Northrup type 4214, No. 1860340 INM, Colombia
No. 56 10 000 Ω resistance standard, Leeds and Northrup type 4214, No. 1860336 INM, Colombia
No. 55 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1870614 INM, Colombia
No. 54 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1870613 INM, Colombia
No. 53 Zener diode voltage standard, Fluke model 732B, No. 5740201 SMD, Belgium
No. 52 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01112 NMIM, Malaysia
No. 51 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01111 NMIM, Malaysia
No. 50 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01110 NMIM, Malaysia
No. 49 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01305 IPQ, Portugal
No. 48 10 000 Ω resistance standard, ESI type SR104, No. J202089130104 NMIM, Malaysia
No. 47 100 Ω resistance standard, TINSLEY type 5685A, No. 270581 NMIM, Malaysia
No. 46 1 Ω resistance standard, Leeds and Northrup tupe 4210B, No. 1910466 NMIM, Malaysia
No. 45 10 000 Ω resistance standard, ESI type SR104, No. 307109 NIS, Egypt
No. 44 10 000 Ω resistance standard, ESI type SR104, No. 307106 NIS, Egypt
No. 43 100 & Omega; resistance standard, . J1-0901609 NIS, Egypt
No. 42 100 Ω resistance standard, IET type SR102, No. J1-0901608 NIS, Egypt
No. 41 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1684330 NIS, Egypt
No. 40 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1681958 NIS, Egypt
No. 39 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1679692 NIS, Egypt
No. 38 10 000 Ω resistance standard, ESI type SR104, No. J206069130104 DFM, Denmark
No. 37 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01163 INMETRO, Brazil
No. 36 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01209 INMETRO, Brazil
No. 35 1 pF capacitance standard, Andeen-Hagerling model AH11A, No.01210 INMETRO, Brazil
No. 34 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01292 EIM, Greece
No. 33 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01291 EIM, Greece
No. 32 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01290 EIM, Greece
No. 31 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01289 EIM, Greece
No. 30 Zener diode voltage standard, Fluke model 732B, No. 6625011 INM, Colombia
No. 29 Zener diode voltage standard, Fluke model 732B, No. 6260014 INM, Colombia
No. 28 Ionization chamber FC65-G, No. 3360, in a 60Co gamma-ray beam STUK, Finland
No. 27 Ionization chamber FC65-G, No. 3360, in medium-energy x-rays STUK, Finland
No. 26 Ionization chamber PTW30013, No. 1452, in a 60Co gamma-ray beam SMU, Slovakia
No. 25 Ionization chamber Thermo 2571, No. 2571, in a 60Co gamma-ray beam SMU, Slovakia
No. 24 10 000 Ω resistance standard, Leeds and Northrup type 4214, No. 1857471 UTE, Uruguay
No. 23 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1877783 UTE, Uruguay
No. 22 100 Ω resistance standard, TEGAM type SR102, No. A2011101SR102 NMC, A*STAR, Singapore
No. 21 Ionization chamber NE 2611A, No. 211, in a 60Co gamma-ray beam IAEA
No. 20 Ionization chamber TEC/NPL 2611B, No. 242, in a 60Co gamma-ray beam IAEA
No. 19 Ionization chamber NE 2561, No. 265, in medium-energy x-rays IAEA
No. 18 Ionization chamber NE 2611A, No. 145, in medium-energy x-rays IAEA
No. 17 Ionization chamber PTW 23344, No. 0957, in low-energy x-rays IAEA
No. 16 Ionization chamber PTW 23344, No. 0844 in low-energy x-rays IAEA
No. 15 Ionization chamber PTW W32002, No. 055, in 137Cs gamma-ray beam NMISA, South Africa
No. 14 Ionization chamber NE 2530, No. 643, in 137Cs gamma-ray beam NMISA, South Africa
No. 13 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01195 MIKES, Finland
No. 12 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01194 MIKES, Finland
No. 11 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01193 MIKES, Finland
No. 10 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01192 MIKES, Finland
No. 9 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01625 BIM, Bulgaria
No. 8 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01623 BIM, Bulgaria
No. 7 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01622 BIM, Bulgaria
No. 6 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01240 NMC, A*STAR, Singapore
No. 5 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01244 NMC, A*STAR, Singapore
No. 4 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01245 NMC, A*STAR, Singapore
No. 3 Ionization chamber FC65G, No. 935, in 60Co gamma-ray beam CIEMAT, Spain
No. 2 Ionization chamber PTW TN31010, No. 2163, in 60Co gamma-ray beam KRISS, Korea (Republic of)
No. 1 Ionization chamber PTW TN30013, No. 8979, in 60Co gamma-ray beam KRISS, Korea (Republic of)

2015
No. 131 1 kg mass standard in "Immaculate V", E'69 NSAI NML, Ireland
No. 130 1 kg mass standard in platinum-iridium, "B" NPL, United Kingdom
No. 129 1 kg mass standard, 4S2 VSL, Netherlands
No. 128 1 kg mass standard, 3S2 VSL, Netherlands
No. 127 1 kg mass prototype, No. 108 Colombia
No. 126 1 kg mass prototype, No. 76 Italy
No. 125 1 kg mass prototype, No. 48 Denmark
No. 124 1 kg mass prototype, No. 64 China
No. 123 1 kg mass standards, E0 NIMT, Thailand
No. 122 1 kg mass prototype, No. 80 Thailand
No. 121 1 kg mass prototype, No. 24 Spain
No. 120 10 kΩ resistance standard, TEGAM type SR 104, No. K201100430104 NIMT, Thailand
No. 119 10 kΩ resistance standard, TEGAM type SR 104, No. K201090330104 NIMT, Thailand
No. 118 10 kΩ resistance standard, Leeds and Northrup type 4214, No. 1917542 NIMT, Thailand
No. 117 100 Ω resistance standard, Tinsley type 5685A, No. 15241/15 NIMT, Thailand
No. 116 100 Ω resistance standard, TEGAM type SR 102, No. A2010106SR102 NIMT, Thailand
No. 115 1 Ω resistance standard, Leeds and Northrup type 4210B, No. 285282 NIMT, Thailand
No. 114 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1915096 NIMT, Thailand
No. 113 10 kΩ resistance standard, ESI type SR 104, No. J1-0824605 BIM, Bulgaria
No. 112 10 kΩ resistance standard, ESI type SR 104, No. J1-0824604 BIM, Bulgaria
No. 111 10 kΩ resistance standard, ESI type SR 104, No. J1-0824603 BIM, Bulgaria
No. 110 100 Ω resistance standard, Tinsley type 5685A, No. 11769/12 BIM, Bulgaria
No. 109 100 Ω resistance standard, Tinsley type 5685A, No. 11769/11 BIM, Bulgaria
No. 108 100 Ω resistance standard, Tinsley type 5685A, No. 279213 BIM, Bulgaria
No. 107 1 Ω resistance standard, MI type 9210A/1, No. 1100576 BIM, Bulgaria
No. 106 1 Ω resistance standard, MI type 9210A/1, No. 1100574 BIM, Bulgaria
No. 105 1 Ω resistance standard, Tinsley type 5685A, No. 274978 BIM, Bulgaria
No. 104 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01071 CENAM, Mexico
No. 103 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01070 CENAM, Mexico
No. 102 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01068 CENAM, Mexico
No. 101 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01067 CENAM, Mexico
No. 100 Ionization chamber PTW 23342, No. 1391, in low-energy x-rays IRCL, Greece
No. 99 Ionization chamber FC65-G, No. 634, in medium-energy x-rays IRCL, Greece
No. 98 Ionization chamber FC65-G, No. 634, in a 60Co gamma-ray beam IRCL, Greece
No. 97 Ionization chamber NE 2571, No. 3526 in a 60Co gamma-ray beam CIEMAT, Spain
No. 96 Ionization chamber Shonka, No. 346 in a 60Co gamma-ray beam CIEMAT, Spain
No. 95 Zener diode voltage standard, Fluke model 7000, No. 941254641 KIM-LIPI, Indonesia
No. 94 Ionization chamber NE 2530, No. 699 in gamma-ray beams CRRD, Argentina
No. 93 Ionization chamber NE 2575, No. 467 in gamma-ray beams CRRD, Argentina
No. 92 10 000 Ω resistance standard, ZIP type MC3050, No. 007 KazInMetr, Kazakhstan
No. 91 10 000 Ω resistance standard, ZIP type MC3050, No. 006 KazInMetr, Kazakhstan
No. 90 100 Ω resistance standard, ZIP type MC3050, No. 031 KazInMetr, Kazakhstan
No. 89 100 Ω resistance standard, ZIP type MC3050, No. 030 KazInMetr, Kazakhstan
No. 88 1 Ω resistance standard, ZIP type MC3050, No. 010 KazInMetr, Kazakhstan
No. 87 1 Ω resistance standard, ZIP type MC3050, No. 009 KazInMetr, Kazakhstan
No. 86 10 000 Ω resistance standard, ESI type SR 104, No. G 207078730104 NMC, A*STAR, Singapore
No. 85 1 Ω resistance standard, CSIRO type, No. 64206 NMC, A*STAR, Singapore
No. 84 1 kg mass standard in stainless steel, T3 INPL, Israel
No. 83 1 kg mass prototype, No. 71 Israel
No. 82 1 kg mass prototype, No. 46 Indonesia
No. 81 1 kg mass standard in stainless steel, 01-0706 LATU, Uruguay
No. 80 1 kg mass standard in stainless steel, KZ3 KazInMetr, Kazakhstan
No. 79 1 kg mass standard in stainless steel, KZ2 KazInMetr, Kazakhstan
No. 78 1 kg mass standard in stainless steel, KZ1 KazIMetr, Kazakhstan
No. 77 1 kg mass prototype, No. 56 South Africa
No. 76 1 kg mass prototype, No. 78 CMI, Chinese Taipei
No. 75 1 kg mass prototype, No. 93 Saudi Arabia
No. 74 Prototype de masse, No. 35 France
No. 73 1 kg mass prototype, No. 89 Switzerland
No. 72 1 kg mass standard in stainless steel, No. 11116701 BIM, Bulgaria
No. 71 1 kg mass standard in platinum-iridium, "A" NPL, United Kingdom
No. 70 1 kg mass prototype, No. 44 Australia
No. 69 1 kg mass standard, 4S2 VSL, Netherlands
No. 68 1 kg mass standard, 3S2 VSL, Netherlands
No. 67 Prototype de masse, No. 34 Académie des sciences de Paris, France
No. 66 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01656 KazInMetr, Kazakhstan
No. 65 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01655 KazInMetr, Kazakhstan
No. 64 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01654 KazInMetr, Kazakhstan
No. 63 Ionization chamber Radcal 4001-1020703, No. 9060 in mammography x-rays IAEA
No. 62 Ionization chamber Radcal 4001-1020703, No. 9059 in mammography x-rays IAEA
No. 61 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01614 SMD-ENS, Belgium
No. 60 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01283 SMD-ENS, Belgium
No. 59 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01613 SMD-ENS, Belgium
No. 58 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01277 SMD-ENS, Belgium
No. 57 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01150 SMD-ENS, Belgium
No. 56 10 000 Ω resistance standard, ESI type SR104, No. 718011 SMD-ENS, Belgium
No. 55 10 000 Ω resistance standard, ESI type SR104, No. 508004 SMD-ENS, Belgium
No. 54 100 Ω resistance standard, Tegam type SR102, No. A2020199SR102 SMD-ENS, Belgium
No. 53 100 Ω resistance standard, Tinsley type 5684C, No. 226750 SMD-ENS, Belgium
No. 52 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1870791 SMD-ENS, Belgium
No. 51 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1816192 SMD-ENS, Belgium
No. 50 1 Ω resistance standard, CSIRO type, No. 64174 SMD-ENS, Belgium
No. 49 10 000 Ω resistance standard, ESI type SR104, No. 043007 INMETRO, Brazil
No. 48 1 Ω resistance standard, Leeds and Northrup type 4210B, No. 1883427 INMETRO, Brazil
No. 47 1 Ω resistance standard, Leeds and Northrup type 4210B, No. 1711458 INMETRO, Brazil
No. 46 100 Ω resistance standard, Tinsley type 5685A, No. 248814 MSL, New Zealand
No. 45 1 Ω resistance standard, Tinsley type 5685A, No. 246570 MSL, New Zealand
No. 44 10 000 Ω resistance standard, Fluke type 742A, No. 4975043 NMISA, South Africa
No. 43 1 Ω resistance standard, Leeds and Northrup type 4210, No 1146606 NMISA, South Africa
No. 42 1 Ω resistance standard, Leeds and Northrup type 4210, No. 113427 NMISA, South Africa
No. 41 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01326 CMI, Czechia
No. 40 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01323 CMI, Czechia
No. 39 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01181 CMI, Czechia
No. 38 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01287 NMISA, South Africa
No. 37 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01286 NMISA, South Africa
No. 36 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01285 NMISA, South Africa
No. 35 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01284 NMISA, South Africa
No. 34 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01360 NIMT, Thailand
No. 33 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01695 NIMT, Thailand
No. 32 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01694 NNIMT, Thailand
No. 31 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01693 NIMT, Thailand
No. 30 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01359 NIMT, Thailand
No. 29 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01358 NIMT, Thailand
No. 28 1 kg mass standard, S MSL, New Zealand
No. 27 1 kg mass standard in platinum-iridium "JM15" Conservatoire national des arts et métiers, France
No. 26 1 kg mass standard in platinum-iridium "E59" NMIJ/AIST, Japan
No. 25 1 kg mass prototype, No. 94 Japan
No. 24 1 kg mass prototype, No. 78 United States of America
No. 23 1 kg mass prototype, No. 74 Canada
No. 22 1 kg mass prototype, No. 60 China
No. 21 1 kg mass prototype, No. 55 Germany
No. 20 1 kg mass prototype, No. 38 Switzerland
No. 19 1 kg mass prototype, No. 20 United States of America
No. 18 1 kg mass prototype, No. 17 France
No. 17 1 kg mass prototype, No. 106 NRC, Canada
No. 16 Zener diode voltage standard, Fluke type 732 B, No. 2211304 UTE, Uruguay
No. 15 Zener diode voltage standard, Fluke type 732B, No. 2211303 UTE, Uruguay
No. 14 Ionization chamber NE 2611A, No. 176 in a 60Co gamma-ray beam ININ, Mexico
No. 13 Ionization chamber Exradin A12, No. 71931 in a 60Co gamma-ray beam ININ, Mexico
No. 12 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01661 BEV, Austria
No. 11 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01469 BEV, Austria
No. 10 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01335 BEV, Austria
No. 9 10 000 Ω resistance standard, Leeds and Northrup type 4214B, No. 1 784 815 BEV, Austria
No. 8 100 Ω resistance standard, FLUKE, 742A-100 type, No. 6405003 BEV, Austria
No. 7 1 Ω resistance standard, NMIA, NML type, No. 64191 BEV, Austria
No. 6 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1 611 312 BEV, Austria
No. 5 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01168 INTI, Argentina
No. 4 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01171 INTI, Argentina
No. 3 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01645 CEM, Spain
No. 2 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01644 CEM, Spain
No. 1 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01643 CEM, Spain

2014
No. 81 10 000 Ω resistance standard, Guildline type 9330, No. 40694 GUM, Poland
No. 80 100 Ω resistance standard, ZIP type P331, No. 097292 GUM, Poland
No. 79 1 Ω resistance standard, ZIP type P321, No. 75 735 GUM, Poland
No. 78 1 Ω resistance standard, Guildline type 9330, No. 41394 GUM, Poland
No. 77 1 Ω resistance standard, Guildline type 9330, No. 40731 GUM, Poland
No. 76 Ionization chamber NE 2561, No. 097 in a 60Co gamma-ray beam STUK, Finland
No. 75 Ionization chamber NE 2561, No. 097 in medium-energy x-rays STUK, Finland
No. 74 Ionization chamber PTW 23344, No. 620, in mammography x-rays STUK, Finland
No. 73 Ionization chamber PTW 23344, No. 620 in low-energy x-rays STUK, Finland
No. 72 10 000 Ω resistance standard, ESI type SR104, No. 648 042 SMU, Slovakia
No. 71 10 000 Ω resistance standard, ZIP type P331, No. 148 058 SMU, Slovakia
No. 70 1 Ω resistance standard, ZIP type P321, No. 144 487 SMU, Slovakia
No. 69 1 Ω resistance standard, ZIP type P321, No. 222 039 SMU, Slovakia
No. 68 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1859 009 SMU, Slovakia
No. 67 10 pF capacitance standard, General Radio model 1408-9702, No. 112 SMU, Slovakia
No. 66 10 pF capacitance standard, General Radio model 1408-9702, No. 111 SMU, Slovakia
No. 65 10 000 Ω resistance standard, ESI type SR104, No. J207 119 030 104 IPQ, Portugal
No. 64 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1799595 IPQ, Portugal
No. 63 10 000 Ω resistance standard, Fluke type 742A, No. 5 885 010 INM, Romania
No. 62 10 000 Ω resistance standard, Fluke type 742A, No. 5 885 009 INM, Romania
No. 61 1 Ω resistance standard, ZIP type P321, No. 17112 INM, Romania
No. 60 1 Ω resistance standard, ZIP type P321, No. 17103 INM, Romania
No. 59 100 pF capacitance standard, Andeen-Hagerling AH11A, No. 02006 NIS, Egypt
No. 58 10 pF capacitance standard, Andeen-Hagerling AH11A, No. 02004 NIS, Egypt
No. 57 1 pF capacitance standard, Andeen-Hagerling AH11A, No. 02002 NIS, Egypt
No. 56 10 pF capacitance standard, Andeen-Hagerling AH11A, No. 01305 IPQ, Portugal
No. 55 1 kg mass prototype, No. 105 NIST, United States of America
No. 54 1 kg mass prototype, No. 104 NIST, United States of America
No. 53 1 kg mass prototype, No. 102 NIST, United States of America
No. 52 Ozone analyzer Advanced Pollution Instrumentation 400, No. 823 NMISA, South Africa
No. 51 Ionization chamber Exradin A6, No. XQ090164 in gamma-ray beams IAEA
No. 50 Ionization chamber LS10, No. 130 in gamma-ray beams IAEA
No. 49 Ionization chamber HS01, No. 102 in gamma-ray beams IEAE
No. 48 Ionization chamber LS01, No. 115 in gamma-ray beams IAEA
No. 47 100 pF capacitance standard, Andeen-Hagerling AH11A, No. 1507 GUM, Poland
No. 46 10 pF capacitance standard, Andeen-Hagerling AH11A, No. 01027 GUM, Poland
No. 45 10 pF capacitance standard, Andeen-Hagerling AH11A, No. 01026 GUM, Poland
No. 44 10 pF capacitance standard, Andeen-Hagerling AH11A, No. 01025 GUM, Poland
No. 43 1 pF capacitance standard, Andeen-Hagerling AH11A, No. 01832 GUM, Poland
No. 42 100 Ω resistance standard, Tinsley 5685A, No. 274 557 CMI, Czechia
No. 41 1 Ω resistance standard, Tinsley 5685A, No. 279 903 CMI, Czechia
No. 40 Zener diode voltage standard, Fluke type 732B, No. 6945016 BIM, Bulgaria
No. 39 Zener diode voltage standard, Fluke type 732B, No. 5740201 SMD, Belgium
No. 38 Ionization chamber PTW 32002, No. 0220 in a 137Cs gamma-ray beam ENEA-INMRI, Italy
No. 37 10 000 Ω resistance standard, Tinsley type 5685B, No. 15807/02 DMDM, Serbia
No. 36 10 000 Ω resistance standard, Tinsley type 5685B, No. 270356 DMDM, Serbia
No. 35 100 Ω resistance standard, Tinsley type 5685A, No. 8738/19 DMDM, Serbia
No. 34 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1755134 DMDM, Serbia
No. 33 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1758737 DMDM, Serbia
No. 32 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1758735 DMDM, Serbia
No. 31 100 Ω resistance standard, TEGAM type SR102, No. A2011101SR102 NMC, A*STAR, Singapore
No. 30 10 000 Ω resistance standard, ESI type SR104, No. J201069130104 DFM, Denmark
No. 29 10 000 Ω resistance standard, ZIP type P331, No. 115021 MKEH, Hungary
No. 28 1 Ω resistance standard, Tinsley type 5658A, No. 17894/19 MKEH, Hungary
No. 27 1 Ω resistance standard, Tinsley type 5658A, No. 17894/18 MKEH, Hungary
No. 26 1 Ω resistance standard, ZIP type P321, No. 470419 MKEH, Hungary
No. 25 1 Ω resistance standard, ZIP type P321, No. 076124 MKEH, Hungary
No. 24 1 kg mass prototype, No. 12 Russian Federation
No. 23 1 kg mass standard, 4S2 VSL, Netherlands
No. 22 1 kg mass standard, 3S2 VSL, Netherlands
No. 21 1 kg mass standard in stainless steel, No. 116478 IPQ, Portugal
No. 20 1 kg mass standard in stainless steel, No. 116476 IPQ, Portugal
No. 19 1 kg mass standard in stainless steel, No. 116475 IPQ, Portugal
No. 18 1 kg mass standard in stainless steel, No. 1950507 LATU, Uruguay
No. 17 100 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01071 CENAM, Mexico
No. 16 100 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01070 CENAM, Mexico
No. 15 10 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01068 CENAM, Mexico
No. 14 10 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01067 CENAM, Mexico
No. 13 100 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01240 NMC, A*STAR, Singapore
No. 12 10 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01244 NMC, A*STAR, Singapore
No. 11 1 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01245 NMC, A*STAR, Singapore
No. 10 100 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01625 BIM, Bulgaria
No. 9 100 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01623 BIM, Bulgaria
No. 8 100 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01622 BIM, Bulgaria
No. 7 100 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01163 INMETRO, Brazil
No. 6 10 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01209 INMETRO, Brazil
No. 5 1 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01210 INMETRO, Brazil
No. 4 100 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01292 EIM, Greece
No. 3 100 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01291 EIM, Greece
No. 2 10 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01290 EIM, Greece
No. 1 10 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01289 EIM, Greece

2013
No. 77 Ionization chamber NE 2561, No. 264 in a 60Co gamma-ray beam LNMRI, Brazil
No. 76 Ionization chamber NE 2561, No. 264 in medium-energy x-rays LNMRI, Brazil
No. 75 Ionization chamber NE 2561, No. 168 in a 60Co gammar-ray beam LNMRI, Brazil
No. 74 Ionization chamber NE 2561, No. 168 in medium-energy x-rays LNMRI, Brazil
No. 73 1 kg mass standard in stainless steel, 1Kr NML-SIRIM, Malaysia
No. 72 1 kg mass standard in stainless steel, 1K4 NML-SIRIM, Malaysia
No. 71 1 kg mass standard "A" in platinum-iridium NPL, United Kingdom
No. 70 1 kg mass prototype, No. 70 Germany
No. 69 1 kg mass standard in stainless steel, No. 81 INM, Romania
No. 68 1 kg mass prototype, No. 2 Romania
No. 67 Ionization chamber NE 2611A, No. 211 in a 60Co gamma-ray beam IAEA
No. 66 Ionization chamber TEC/NPL 2611B, No. 242 in a 60Co gamma-ray beam IAEA
No. 65 Ionization chamber FC65G, No. 1551 in a 60Co gamma-ray beam IAEA
No. 64 Ionization chamber NE 2561, No. 265 in medium-energy x-ray IAEA
No. 63 Ionization chamber NE 2611, No . 145 in medium-energy x-rays IAEA
No. 62 Ionization chamber PTW 23344, No. 0957 in low-energy x-rays IAEA
No. 61 Ionization chamber PTW 23344, No. 0844 in low-energy x-rays IAEA
No. 60 Zener diode voltage standard, No. 9170714 DMDM, Serbia
No. 59 Ionization chamber Exradin A6, No. XQ102232 in gamma-ray beam NRPA, Norway
No. 58 Ionization chamber NE 2561, No. 099 in a 60Co gamma-ray beam NRPA, Norway
No. 57 Ionization chamber NE 2561, No. 099 in medium-energy x-rays NRPA, Norway
No. 56 Ionization chamber Capintec PR-06G, No. 8429 in a 60Co gamma-ray beam NRPA, Norway
No. 55 Ionization chamber Capintec PR-06G, No. 8429 in medium-energy x-rays NRPA, Norway
No. 54 Ionization chamber Radcal RC6M, No. 9065 in mammography x-rays NRPA, Norway
No. 53 Ionization chamber Radcal RC6M, No. 9065 in low-energy x-rays NRPA, Norway
No. 52 Ionization chamber NE 2571, No. 2676 in a 60Co gamma-ray beam GUM, Poland
No. 51 10 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01112 NML-SIRIM, Malaysia
No. 50 10 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01111 NML-SIRIM, Malaysia
No. 49 100 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01110 NML-SIRIM, Malaysia
No. 48 1 kg mass prototype, No. 3 Spain
No. 47 1 kg mass prototype, No. 4 United States of America
No. 46 1 kg mass standard, 1Kc NML-SIRIM, Malaysia
No. 45 1 kg mass standard, 1K3 NML-SIRIM, Malaysia
No. 44 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01326 CMI, Czechia
No. 43 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01323 CMI, Czechia
No. 42 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01181 CMI, Czechia
No. 41 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01075 SMD, Belgium
No. 40 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01277 SMD, Belgium
No. 39 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01578 INM, Romania
No. 38 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01577 INM, Romania
No. 37 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01576 INM, Romania
No. 36 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01575 INM, Romania
No. 35 100 Ω resistance standard, Tinsley type 5685A, No. 248814 MSL, New Zealand
No. 34 1 Ω resistance standard, Tinsley type 5685A, No. 246570 MSL, New Zealand
No. 33 1 Ω resistance standard, CSIRO type, No. 64206 NMC, A*STAR, Singapore
No. 32 10 000 Ω resistance standard, ESI type SR104, No. G 207078730104 NMC, A*STAR, Singapore
No. 31 10 000 Ω resistance standard, ESI type SR104, No. 718011 SMD, Belgium
No. 30 100 Ω resistance standard, TEGAM type SR102, No. A2010199SR102 SMD, Belgium
No. 29 1 Ω resistance standard, CSIRO type, No. 64174 SMD, Belgium
No. 28 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1 816 196 SMD, Belgium
No. 27 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1 870 794 SMD, Belgium
No. 26 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01469 BEV, Austria
No. 25 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01661 BEV, Austria
No. 24 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01660 BEV, Austria
No. 23 1 Ω resistance standard, NMIA, NML type, No. 64191 BEV, Austria
No. 22 1 Ω resistance standard, Leeds and Northrup type 4210B, No. 1 915 322 BEV, Austria
No. 21 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1 611 312 BEV, Austria
No. 20 10 000 Ω resistance standard, Leeds and Northrup type 4214B, No. 1 784 815 BEV, Austria
No. 19 Ionization chamber NE 2611, No. 133 in medium-energy x-rays CRRD, Argentina
No. 18 Ionization chamber NE 2611, No. 2611 in a 60Co gamma-ray beam CRRD, Argentina
No. 17 Ionization chamber PTW W32002, No. 055 in gamma-ray beams NMIMSA, South Africa
No. 16 Ionization chamber NE 2530, No. 649 in a 137Cs gamma-ray beam NMISA, South Africa
No. 15 Ionization chamber PTW 30012, No. 0064 in x-rays beams NMISA, South Africa
No. 14 Ionization chamber PTW 30012, No. 0064 in a 60Co gamma-ray beam NMISA, South Africa
No. 13 Ionization chamber NE 2571, No. 2719 in x-rays beams NMISA, South Africa
No. 12 Ionization chamber NE 2571, No. 2719 in a 60Co gamma-ray beam NMISA, South Africa
No. 11 10 000 Ω resistance standard, ESI type SR 104, No. 307109 NIS, Egypt
No. 10 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1679692 NIS, Egypt
No. 9 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1684330 NIS, Egypt
No. 8 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1681958 NIS, Egypt
No. 7 10 000 Ω resistance standard, TEGAM type SR104, No. K201090330104 NIMT, Thailand
No. 6 10 000 Ω resistance standard, Leeds and Northrup type 4214B, No. 1 917 542 NIMT, Thailand
No. 5 100 Ω resistance standard, TEGAM type SR102, No. A2010106SR102 NIMT, Thailand
No. 4 100 Ω resistance standard, Alpha Electronics type CSR102, No. 02217 NIMT, Thailand
No. 3 100 Ω resistance standard, Tinsley type 5685A, No. 15241/15 NIMT, Thailand
No. 2 1 Ω resistance standard, Leeds and Northrup type 4210B, No. 285282 NIMT, Thailand
No. 1 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1 915 096 NIMT, Thailand

2012
No. 88 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01015 CEM, Spain
No. 87 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01216 VSL, Netherlands
No. 86 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01215 VSL, Netherlands
No. 85 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01017 VSL, Netherlands
No. 84 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01016 VSL, Netherlands
No. 83 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01059 NRC-CNRC, Canada
No. 82 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01468 NRC-CNRC, Canada
No. 81 10 000 Ω resistance standard, ESI type SR 104, No. J1-0824605 BIM, Bulgaria
No. 80 100 Ω resistance standard, Tinsley type 5685A, No. 11769/12 BIM, Bulgaria
No. 79 1 Ω resistance standard, MI type 9210A/1, No. 1100576 BIM, Bulgaria
No. 78 1 Ω resistance standard, MI type 9210A/1, No. 1100574 BIM, Bulgaria
No. 77 1 Ω resistance standard, ZIP type P321, No. 076165 BIM, Bulgaria
No. 76 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01695 NIMT, Thailand
No. 75 10 pF capacitance standard, Andeen-Hargerling model AH11A NIMT, Thailand
No. 74 10 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01693 NIMT, Thailand
No. 73 100 pF capacitance standard, Andeen-Hargerling model AH11A, No. 01360 NIMT, Thailand
No. 72 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01359 NIMT, Thailand
No. 71 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01358 NIMT, Thailand
No. 70 10 pF capacitance standard, General Radio model 1408-A, No. 164 MKEH, Hungary
No. 69 Ionization chamber Exradin A4, No. 231 in gamma-ray beam SSM, Sweden
No. 68 Ionization chamber NE 2571, No. 2061 in a 60Co gamma-ray beam SSM, Sweden
No. 67 Ionization chamber NE 2571, No. 2597 in a 60Co gamma-ray beam SSM, Sweden
No. 66 Ionization chamber Exradin A3, No. 169 in medium-energy x-rays SSM, Sweden
No. 65 Ionization chamber Radcal 10X5-6M, No. 8302 in low-energy x-rays SSM, Sweden
No. 64 1 Ω resistance standard, type NML, No. 64173 NMIA, Australia
No. 63 1 Ω resistance standard, type NML, No. 64177 NMIA, Australia
No. 62 1 Ω resistance standard, type NML, No. S-60657 NMIA, Australia
No. 61 1 kg mass standard, 4S2 VSL, Netherlands
No. 60 1 kg mass standard, 3S2 VSL, Netherlands
No. 59 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01287 NMISA, South Africa
No. 58 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01286 NMISA, South Africa
No. 57 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01285 NMISA, South Africa
No. 56 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01284 NMISA, South Africa
No. 55 1 kg mass standard, K30 INTI, Argentina
No. 54 1 kg mass standard, No. 48 INTI, Argentina
No. 53 1 kg mass standard, 013504/00 EIM, Greece
No. 52 1 kg mass standard, 013501/00 EIM, Greece
No. 51 10 000 Ω resistance standard, ESI type SR104, No. 043007 INMETRO, Brazil
No. 50 1 Ω resistance standard, Leeds and Northrup type 4210B, No. 1883427 INMETRO, Brazil
No. 49 1 Ω resistance standard, Leeds and Northrup type 4210B, No. 1711458 INMETRO, Brazil
No. 48 10 000 Ω resistance standard, type Tegam SP5121, No. A2010800 CMI, Czechia
No. 47 Ionization chamber NE 2571, No. NE 2571 in a 60Co gamma-ray beam CMI, Czechia
No. 46 Ionization chamber PTW TW30001, No. 2229 in a 60Co gamma-ray beam KRISS, Korea (Republic of)
No. 45 Ionization chamber PTW TN31010, No. 2163 in a 60Co gamma-ray beam KRISS, Korea (Republic of)
No. 44 1 kg mass standard, P41205001 HMI, Croatia
No. 43 1 kg mass standard, P41204998 HMI, Croatia
No. 42 1 kg mass standard, P120684 HMI, Croatia
No. 41 1 kg mass standard, P0296 HMI, Croatia
No. 40 1 kg mass prototype, No. 57 India
No. 39 Ozone analyzer Advanced Pollution Instrumentation 400, No. 823 NMISA, South Africa
No. 38 Ionization chamber ND 1001, No. 7814 in gamma-ray beams BIM, Bulgaria
No. 37 Ionization chamber Radcal RC6M, No. 9113 in low-energy x-rays CMI, Czechia
No. 36 Ionization chamber Radcal RC6M, No. 9113 in mammography x-rays CMI, Czechia
No. 35 Ionization chamber Exradin A4, No. 169 in medium-energy x-rays CMI, Czechia
No. 34 Ionization chamber Exradin A4, No. 169 in gamma-ray beams CMI, Czechia
No. 33 Ionization chamber Exradin A3-92717, No. XR072954 in medium-energy x-rays ININ, Mexico
No. 32 Ionization chamber Radcal RC6M, No. 10111 in low-energy x-rays ININ, Mexico
No. 31 Ionization chamber Radcal RC6M, No. 10111 in mammography x-rays ININ, Mexico
No. 30 1 kg mass prototype, No. 85 United States of America
No. 29 Ionization chamber NE 2611, No. 129 in a 60Co gamma-ray beam METAS, Switzerland
No. 28 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01240 NMC, A*STAR, Singapore
No. 27 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01244 NMC, A*STAR, Singapore
No. 26 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01245 NMC, A*STAR, Singapore
No. 25 1 kg mass standard in stainless steel, No. 112492 KIM-LIPI, Indonesia
No. 24 1 kg mass standard in stainless steel, No. 112491 KIM-LIPI, Indonesia
No. 23 1 kg mass standard in stainless steel, No. 74 KIM-LIPI, Indonesia
No. 22 Ionization chamber PTW 23343, No. 2862 in low-energy x-rays NIS, Egypt
No. 21 Ionization chamber PTW 23342, No. 1250 in low-energy x-rays NIS, Egypt
No. 20 Ionization chamber PTW 30013, No. 2016 in medium-energy x-rays NIS, Egypt
No. 19 Ionization chamber NE 2530, No. 424 in a 137Cs gamma-ray beam NIS, Egypt
No. 18 Ionization chamber NE 2561, No. 229 in a 60Co gamma-ray beam NIS, Egypt
No. 17 Ionization chamber PTW 30013, No. 2016 in a 60Co gamma-ray beam NIS, Egypt
No. 16 1 kg mass standard, MP4 CEM, Spain
No. 15 1 kg mass prototype, No. 72 Korea (Republic of)
No. 14 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1 877 783 UTE, Uruguay
No. 13 10 000 Ω resistance standard, Leeds and Northrup type 4214, No. 1 857 471 UTE, Uruguay
No. 12 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01669 UME, Turkey
No. 11 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01196 UME, Turkey
No. 10 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01077 UME, Turkey
No. 9 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01076 UME, Turkey
No. 8 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01203 UME, Turkey
No. 7 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01200 UME, Turkey
No. 6 1 kg mass standard, NSCCL CESMEC, Chile
No. 5 1 kg mass standard, SMD1+ SMD-ENS, SPF Economie, Belgium
No. 4 1 kg mass prototype, No. 79 United States of America
No. 3 1 kg mass prototype, No. 48 Denmark
No. 2 1 kg mass standard in stainless steel, 4S2 VSL, Netherlands
No. 1 1 kg mass standard in stainless steel, 3S2 VSL, Netherlands

2011
No. 104 1 Ω resistance standard, Tinsley type 5685, No. 274 977 EIM, Greece
No. 103 100 Ω resistance standard, Tinsley type 5685, No. 275 022 EIM, Greece
No. 102 100 Ω resistance standard, Tinsley type 5685, No. 279 546 EIM, Greece
No. 101 10 000 Ω resistance standard, Tinsley type 5685, No. 274 916 EIM, Greece
No. 100 Ionization chamber NE 2571, No. 2676 in a 60Co gamma-ray beam GUM, Poland
No. 99 Ozone analyzer, Thermo Electron Instruments 49C, No. 416206681 GUM, Poland
No. 98 1 kg mass standard in stainless steel, E NMC, A*STAR, Singapore
No. 97 1 kg mass standard in stainless steel, D NMC, A*STAR, Singapore
No. 96 1 kg mass standard in stainless steel, C NMC, A*STAR, Singapore
No. 95 1 kg mass prototype, No. 4 United States of America
No. 94 1 kg mass prototype, No. 96 Mexico
No. 93 1 kg mass prototype, No. 23 Finland
No. 92 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01071 CENAM, Mexico
No. 91 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01070 CENAM, Mexico
No. 90 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01068 CENAM, Mexico
No. 89 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01067 CENAM, Mexico
No. 88 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01193 MIKES, Finland
No. 87 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01192 MIKES, Finland
No. 86 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01195 MIKES, Finland
No. 85 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01194 MIKES, Finland
No. 84 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01292 EIM, Greece
No. 83 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01291 EIM, Greece
No. 82 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01290 EIM, Greece
No. 81 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01289 EIM, Greece
No. 80 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01163 INMETRO, Brazil
No. 79 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01209 INMETRO, Brazil
No. 78 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01210 INMETRO, Brazil
No. 77 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01326 CMI, Czechia
No. 76 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01323 CMI, Czechia
No. 75 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01181 CMI, Czechia
No. 74 10 000 Ω resistance standard, Tinsley type 5685B, No. 270 356 DMDM, Serbia
No. 73 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1 758 737 DMDM, Serbia
No. 72 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1 758 735 DMDM, Serbia
No. 71 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1 755 134 DMDM, Serbia
No. 70 100 Ω resistance standard, Tinsley type 5685A, No. 8738/19 DMDM, Serbia
No. 69 Ionization chamber PTW TW 30001, No. 2123 in a 60Co gamma-ray beam BARC, India
No. 68 Ionization chamber FC65G, No. 1300 in a 60Co gamma-ray beam BARC, India
No. 67 Ionization chamber NE 2571, No. 1692 in a 60Co gamma-ray beam BARC, India
No. 66 Ionization chamber NE 2575, No. 467 in gamma-ray beams CRRD, Argentina
No. 65 Ionization chamber PTW TN 32002, No. 277 in gamma-ray beams IAEA
No. 64 Ionization chamber LS10, No. 130 in gamma-ray beams IAEA
No. 63 Ionization chamber HS01, No. 102 in gamma-ray beams IAEA
No. 62 Ionization chamber LS01, No. 115 in gamma-ray beams IAEA
No. 61 Zener diode voltage standard, No. 9170714 DMDM, Serbia
No. 60 100 Ω resistance standard, Tinsley type 5685A, No. 274 557 CMI, Czechia
No. 59 10 000 Ω resistance standard, ESI type SR104, No. J203079130104 DFM, Denmark
No. 58 1 kg mass standard in stainless steel, 01-0706 LATU, Uruguay
No. 57 1 kg mass prototype, No. 95 Kenya
No. 56 Ionization chamber PTW TM 30001, No. 1576 in a 60Co gamma-ray beam ITN, Portugal
No. 55 Ionization chamber PTW TM 34069, No. 163 in mammography x-rays ITN, Portugal
No. 54 Ionization chamber NE 2571, No. 3108 in a 60Co gamma-ray beam HIRCL, Greece
No. 53 Ionization chamber NE 2571, No. 3108 in medium-energy x-rays HIRCL, Greece
No. 52 Ionization chamber Magna 92650, No. D011271 in mammography x-rays HIRCL, Greece
No. 51 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01168 INTI, Argentina
No. 50 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01171 INTI, Argentina
No. 49 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01661 BEV, Austria
No. 48 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01469 BEV, Austria
No. 47 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01335 BEV, Austria
No. 46 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01305 IPQ, Portugal
No. 45 100 Ω resistance standard, Tinsley type 5685A, No. 248814 MSL, New Zealand
No. 44 1 Ω resistance standard, Tinsley type 5685A, No. 246570 MSL, New Zealand
No. 43 1 kg mass standard in stainless steel, MS-S-14 Justervesenet, Norway
No. 42 1 kg mass standard in stainless steel, LMN5 Justervesenet, Norway
No. 41 1 kg mass prototype, No. 36 Norway
No. 40 Zener diode voltage standard, No. 6945016 BIM, Bulgaria
No. 39 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 1507 GUM, Poland
No. 38 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01026 GUM, Poland
No. 37 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01025 GUM, Poland
No. 36 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01024 GUM, Poland
No. 35 1 Ω resistance standard, ZIP P321, No. 74941 GUM, Poland
No. 34 1 Ω resistance standard, Guildline type 9330, No. 41394 GUM, Poland
No. 33 1 Ω resistance standard, Guildline type 9330, No. 40731 GUM, Poland
No. 32 10 000 Ω resistance standard, Guildline type 9330, No. 40694 GUM, Poland
No. 31 10 000 Ω resistance standard, Fluke 742A, No. 4975043 NMISA, South Africa
No. 30 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1132427 NMISA, South Africa
No. 29 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1146606 NMISA, South Africa
No. 28 1 Ω resistance standard, ZIP P321, No. 470419 MKEH, Hungary
No. 27 1 Ω resistance standard, ZIP P321, No. 076124 MKEH, Hungary
No. 26 10 000 Ω resistance standard, ZIP P331, No. 115021 MKEH, Hungary
No. 25 1 Ω resistance standard, NML, No. 64173 NMIA, Australia
No. 24 1 Ω resistance standard, NML, No. 64177 NMIA, Australia
No. 23 1 Ω resistance standard, NML, No. S-60657 NMIA, Australia
No. 22 Ionization chamber NE 2571, No. 2690 in a 60Co gamma-ray beam METAS, Switzerland
No. 21 Ionization chamber NE 2611, No. 130 in a 60Co gamma-ray beam METAS, Switzerland
No. 20 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01614 SMD, Belgium
No. 19 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01613 SMD, Belgium
No. 18 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01008 CEM, Spain
No. 17 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01014 CEM, Spain
No. 16 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01015 CEM, Spain
No. 15 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01623 BIM, Bulgaria
No. 14 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01622 BIM, Bulgaria
No. 13 1 Ω resistance standard, NMIA, NML type, No. 64191 BEV, Austria
No. 12 1 Ω resistance standard, Leeds and Northrup type 4210B, No. 1 915 322 BEV, Austria
No. 11 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1799595 IPQ, Portugal
No. 10 10 000 Ω resistance standard, ESI SR 104, No. J207 119 030 104 IPQ, Portugal
No. 9 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1 611 312 BEV, Austria
No. 8 10 000 Ω resistance standard, Leeds and Northrup type 4214B, No. 1 784 815 BEV, Austria
No. 7 1 kg mass standard in stainless steel, S MSL, New Zealand
No. 6 1 kg mass standard in stainless steel, 4S2 VSL, Netherlands
No. 5 1 kg mass standard in stainless steel, 3S2 VSL, Netherlands
No. 4 1 kg mass prototype, No. 92 United States of America
No. 3 1 kg mass prototype, No. 20 United States of America
No. 2 1 kg mass prototype, No. 74 Canada
No. 1 1 kg mass prototype, No. 58 Egypt

2010
No. 62 Ionization chamber NE 2571, No. 3526 in a 60Co gamma-ray beam CIEMAT, Spain
No. 61 Ionization chamber Shonka, No. 346 in a 60Co gamma-ray beam CIEMAT, Spain
No. 60 Volume Magnetic Susceptibility of Sample, AR-Alac INTI, Argentina
No. 59 Volume Magnetic Susceptibility of Sample, AR-Ti INTI, Argentina
No. 58 1 Ω resistance standard, CSIRO, No. 64206 NMC, A*STAR, Singapore
No. 57 10 000 Ω resistance standard, ESI SR 104, No. G207078730104 NMC, A*STAR, Singapore
No. 56 Ozone analyser, Advanced Pollution Instrumentation 400, No. 823 NMISA, South Africa
No. 55 1 Ω resistance standard, ZIP P321, No. 144 487 SMU, Slovakia
No. 54 1 Ω resistance standard, ZIP P321, No. 222 039 SMU, Slovakia
No. 53 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1859 009 SMU, Slovakia
No. 52 10 000 Ω resistance standard, ZIP P331, No. 117 720 SMU, Slovakia
No. 51 10 000 Ω resistance standard, ZIP P331, No. 148 058 SMU, Slovakia
No. 50 1 kg mass standard in stainless steel, No. 11116701 BIM, Bulgaria
No. 49 10 pF capacitance standard, General Radio model 1408-9702, No. 112 SMU, Slovakia
No. 48 10 pF capacitance standard, General Radio model 1408-9702, No. 111 SMU, Slovakia
No. 47 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01287 NMISA, South Africa
No. 46 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01286 NMISA, South Africa
No. 45 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01285 NMISA, South Africa
No. 44 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01284 NMISA, South Africa
No. 43 1 kg mass standard in stainless steel, E1 NIS, Egypt
No. 42 1 kg mass standard in stainless steel, A NIS, Egypt
No. 41 1 kg mass standard in stainless steel, C2 NIMT, Thailand
No. 40 1 kg mass standard in stainless steel, C1 NIMT, Thailand
No. 39 1 kg mass standard in stainless steel, E0 NIMT, Thailand
No. 38 Ionization chamber TEC/NPL 2611B, No. 242 in a 60Co gamma-ray beam IAEA
No. 37 Ionization chamber NE 2611A, No. 211 in a 60Co gamma-ray beam IAEA
No. 36 Ionization chamber NE 2651, No. 265 in medium-energy x-rays IAEA
No. 35 Ionization chamber NE 2611, No. 145 in medium-energy x-rays IAEA
No. 34 Ionization chamber PTW 23344, No. 0844 in low-energy x-rays IAEA
No. 33 Ionization chamber PTW 23342, No. 1128 in low-energy x-rays IAEA
No. 32 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01360 NIMT, Thailand
No. 31 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01359 NIMT, Thailand
No. 30 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01358 NIMT, Thailand
No. 29 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01323 CMI, Czechia
No. 28 1 kg mass standard in stainless steel, KZ3 KazInMetr, Kazakhstan
No. 27 1 kg mass standard in stainless steel, KZ2 KazInMetr, Kazakhstan
No. 26 1 kg mass standard in stainless steel, KZ1 KazInMetr, Kazakhstan
No. 25 1 kg mass standard in stainless steel, TLT MSL, New Zealand
No. 24 1 kg mass standard in stainless steel, S MSL, New Zealand
No. 23 1 kg mass standard in stainless steel, No. 83700 NMC, A*STAR, Singapore
No. 22 1 kg mass prototype, No. 83 Singapore
No. 21 1 kg mass prototype, No. 52 Germany
No. 20 10 000 Ω resistance standard, Leeds and Northrup type 4214B, No. 1 917 542 NIMT, Thailand
No. 19 100 Ω resistance standard, TEGAM type SR102, No. A2010106SR102 NIMT, Thailand
No. 18 1 Ω resistance standard, Leeds and Northrup type 4210, No. 1 915 096 NIMT, Thailand
No. 17 100 Ω resistance standard, Guildline type 7334, No. 69156 KRISS, Korea (Republic of)
No. 16 10 000 Ω resistance standard, TEGAM type SR 104, No. J1-0919617 KRISS, Korea (Republic of)
No. 15 Ionization chamber PTW 30012, No. 163 in a 60Co gamma-ray beam NIM, China
No. 14 Ionization chamber PTW 30010, No. 2369 in a 60Co gamma-ray beam NIM, China
No. 13 Ionization chamber NE 2571, No. 708 in a60Co gamma-ray beam NIM, China
No. 12 Ionization chamber Radcal RC6M, No. 9066 in mammography x-rays NIM, China
No. 11 Ionization chamber Radcal RC6M, No. 9066 in low-energy x-rays NIM, China
No. 10 Ionization chamber PTW 23344, No. 620 in low-energy x-rays STUK, Finland
No. 9 Ionization chamber NE 2561, No. 097 in medium-energy x-rays STUK, Finland
No. 8 Ionization chamber NE 2561, No. 097 in a 60Co gamma-ray beam STUK, Finland
No. 7 Ionization chamber NE 2530, No. 649 in gamma-ray beams NMISA, South Africa
No. 6 Ionization chamber PTW 30012, No. 0064 in a 60Co gamma-ray beam NMISA, South Africa
No. 5 Ionization chamber PTW 30012, No. 0064 in x-ray beams NMISA, South Africa
No. 4 Ionization chamber NE 2571, No. 2719 in a 60Co gamma-ray beam NMISA, South Africa
No. 3 Ionization chamber NE 2571, No. 2719 in x-ray beams NMISA, South Africa
No. 2 100 Ω resistance standard, Tegam type SR 102, No. A2010199SR102 SMD, Belgium
No. 1 10 000 Ω resistance standard, ESI type SR 104, No. 43021 SMD, Belgium

2009
No. 91 10 pF capacitance standard, model AH11A, No. 01258 PTB, Germany
No. 90 10 pF capacitance standard, model AH11A, No. 01257 PTB, Germany
No. 89 100 pF capacitance standard, No. 01256 PTB, Germany
No. 88 10 000 ohm resistance standard, ESI type SR 104, No. 043007 INMETRO, Brazil
No. 87 1 ohm resistance standard, type 4210, No. 1883427 INMETRO, Brazil
No. 86 1 ohm resistance standard, type 4210B, No. 1711458 INMETRO, Brazil
No. 85 Volume magnetic susceptibility of sample, P17 1kg D MIKES, Finland
No. 84 100 pF capacitance standard, No. 01240 NMC, A*STAR, Singapore
No. 83 10 pF capacitance standard, No. 01244 NMC, A*STAR, Singapore
No. 82 1 pF capacitance standard, No. 01245 NMC, A*STAR, Singapore
No. 81 10 pF capacitance standard, No. 01112 NML-SIRIM, Malaysia
No. 80 10 pF capacitance standard, No. 01111 NML-SIRIM, Malaysia
No. 79 100 pF capacitance standard, No. 01110 NML-SIRIM, Malaysia
No. 78 10 000 ohm resistance standard, No. J1-0824605 BIM, Bulgaria
No. 77 10 000 ohm resistance standard, No. J1-0824604 BIM, Bulgaria
No. 76 10 000 ohm resistance standard, No. J1-0824603 BIM, Bulgaria
No. 75 100 ohm resistance standard, No. 11769/12 BIM, Bulgaria
No. 74 100 ohm resistance standard, No. 11769/11 BIM, Bulgaria
No. 73 100 ohm resistance standard, No. 146308 BIM, Bulgaria
No. 72 1 ohm resistance standard, No. 1100576 BIM, Bulgaria
No. 71 1 ohm resistance standard, No. 1100574 BIM, Bulgaria
No. 70 1 ohm resistance standard, No. 076165 BIM, Bulgaria
No. 69 100 ohm resistance standard, No. A2011101SR102 NMC, A*STAR, Singapore
No. 68 1 ohm resistance standard, No. 1910 466 NML-SIRIM, Malaysia
No. 67 10 000 ohm resistance standard, No. 307106 NIS, Egypt
No. 66 1 ohm resistance standard, No. 1679692 NIS, Egypt
No. 65 1 ohm resistance standard, No. 1684330 NIS, Egypt
No. 64 1 ohm resistance standard, No. 1681958 NIS, Egypt
No. 63 Ionization chamber NE 2575, No. 116 in gamma-ray beams NRPA, Norway
No. 62 Ionization chamber Exradin A3, No. 229 in gamma-ray beams NRPA, Norway
No. 61 1 kg mass standard, 1kr2 NML-SIRIM, Malaysia
No. 60 1 kg mass standard, 1K1 NML-SIRIM, Malaysia
No. 59 1 kg mass prototype, No. 94 Japan
No. 58 1 kg mass prototype, No. 64 China
No. 57 1 kg mass prototype, No. 60 China
No. 56 Zener diode voltage standard, No. 8140006 NIS, Egypt
No. 55 Zener diode voltage standard, No. 8140009 NIS, Egypt
No. 54 Étalon de tension à diode de Zener, n° 5940003 INM, Romania
No. 53 Volume magnetic susceptibility of sample, IT-Ti INRIM, Italy
No. 52 Volume magnetic susceptibility of sample, IT-Alac INRIM, Italy
No. 51 1 kg mass prototype, No. 67 Czechia
No. 50 1 kg mass prototype, No. 21 Mexico
No. 49 1 kg mass standard, "4S2" VSL, Netherlands
No. 48 1 kg mass standard, "3S2" VSL, Netherlands
No. 47 Electronic voltage standard, No. 9170 714 DMDM, Serbia
No. 46 Ozone analyser Environnement SA O3-42M, No. 32 SP, Sweden
No. 45 10 000 ohm resistance standard, No. 270 356 DMDM, Serbia
No. 44 1 ohm resistance standard, No. 1 758 737 DMDM, Serbia
No. 43 1 ohm resistance standard, No. 1 758 735 DMDM, Serbia
No. 42 1 ohm resistance standard, No. 1 755 134 DMDM, Serbia
No. 41 100 ohm resistance standard, No. 8738/19 DMDM, Serbia
No. 40 1 kg mass prototype, No. 49 Austria
No. 39 Étalon de résistance de 1 ohm, n° S-64174 Metrology Division, Belgium
No. 38 100 pF capacitance standard, No. 01071 CENAM, Mexico
No. 37 100 pF capacitance standard, No. 01070 CENAM, Mexico
No. 36 10 pF capacitance standard, No. 01068 CENAM, Mexico
No. 35 10 pF capacitance standard, No. 01067 CENAM, Mexico
No. 34 1 kg mass standard, MP060 INMETRO, Brazil
No. 33 1 kg mass prototype, No. 66 Brazil
No. 32 1 kg mass standard in stainless steel, No. 83700 NMC, A*STAR, Singapore
No. 31 1 kg mass prototype, No. 55 Germany
No. 30 1 kg mass standard in stainless steel, MP3 CEM, Spain
No. 29 100 pF capacitance standard, No. 01560 MSL, New Zealand
No. 28 100 pF capacitance standard, No. 01559 MSL, New Zealand
No. 27 10 pF capacitance standard, No. 01558 MSL, New Zealand
No. 26 10 pF capacitance standard, No. 01557 MSL, New Zealand
No. 25 10 000 ohm resistance standard, No. J206069130104 DFM, Denmark
No. 24 1 ohm resistance standard, No. 246570 MSL, New Zealand
No. 23 100 ohm resistance standard, No. 248814 MSL, New Zealand
No. 22 100 pF capacitance standard, No. 01292 EIM, Greece
No. 21 100 pF capacitance standard, No. 01291 EIM, Greece
No. 20 10 pF capacitance standard, No. 01290 EIM, Greece
No. 19 10 pF capacitance standard, No. 01289 EIM, Greece
No. 18 100 pF capacitance standard, No. 01469 BEV, Austria
No. 17 10 pF capacitance standard, No. 01335 BEV, Austria
No. 16 Ionization chamber NE 2561, No. 099 in a 60Co gamma-ray beam NRPA, Norway
No. 15 Ionization chamber Capintec PR-06G, No. 8429 in a 60Co gamma-ray beam NRPA, Norway
No. 14 Ionization chamber Capintec PR-06G, No. 8429 in medium-energy x-rays NRPA, Norway
No. 13 Ionization chamber Radcal RC6M, No. 9065 in low-energy x-rays NRPA, Norway
No. 12 Ionization chamber NE 2611A, No. 133 in a 60Co gamma-ray beam CRRD, Argentina
No. 11 Ionization chamber NE 2611, No. 133 in medium-energy x-rays CRRD, Argentina
No. 10 10 000 ohm resistance standard, No. 1 784 815 BEV, Austria
No. 9 1 ohm resistance standard, No. 64191 BEV, Austria
No. 8 1 ohm resistance standard, No. 1 915 322 BEV, Austria
No. 7 1 ohm resistance standard, No. 1 611 312 BEV, Austria
No. 6 100 pF capacitance standard, No. 01163 INMETRO, Brazil
No. 5 10 pF capacitance standard, No. 01209 INMETRO, Brazil
No. 4 1 pF capacitance standard, No. 01210 INMETRO, Brazil
No. 3 Ionization chamber NE 2561, No. 264 in medium-energy x-rays LNMRI, Brazil
No. 2 Ionization chamber NE 2561, No. 264 in a 60Co gamma-ray beam LNMRI, Brazil
No. 1 Zener diode voltage standard, No. 6945016 BIM, Bulgaria

2008
No. 61 100 pF capacitance standard, No. 01008 CEM, Spain
No. 60 10 pF capacitance standard, No. 01014 CEM, Spain
No. 59 1 pF capacitance standard, No. 01015 CEM, Spain
No. 58 Prototype de masse, n° 69 Portugal
No. 57 Prototype de masse, n° 92 United States of America
No. 56 Prototype de masse, n° 55 Germany
No. 55 Electronic voltage standard, No. 6945010 GUM, Poland
No. 54 10 000 ohm resistance standard, No. J 202089130104 NML-SIRIM, Malaysia
No. 53 100 ohm resistance standard, No. 097273 GUM, Poland
No. 52 10 000 ohm resistance standard, No. 5 885 010 INM, Romania
No. 51 10 000 ohm resistance standard, No. 5 885 009 INM, Romania
No. 50 1 ohm resistance standard, No. 17112 INM, Romania
No. 49 1 ohm resistance standard, No. 17103 INM, Romania
No. 48 10 000 ohm resistance standard, No. G 207078730104 NMC, A*STAR, Singapore
No. 47 1 ohm resistance standard, No. 64206 NMC, A*STAR, Singapore
No. 46 Ionization chamber LS10, No. 130 in gamma-ray beams IAEA
No. 45 Ionization chamber HS01, No. 102 in gamma-ray beams IAEA
No. 44 Ionization chamber LS01, No. 115 in gamma-ray beams IAEA
No. 43 1 kg mass standard, "1S1(A)" NMi-VSL, Netherlands
No. 42 1 kg mass standard, "2S1(3)" NMi-VSL, Netherlands
No. 41 1 kg mass standard, "2S2(2)" NMi-VSL, Netherlands
No. 40 1 kg mass standard, "1S2(1)" NMi-VSL, Netherlands
No. 39 1 kg mass standard in stainless steel, NPSL-1kg-E1 NPSL, Pakistan
No. 38 1 kg mass standard in "Immaculate V", No. E'69 NML, Ireland
No. 37 1 kg mass standard in stainless steel, No. 1950507 LATU, Uruguay
No. 36 Ozone analyser, Advanced Pollution Instrumentation 400 No. 823 NMISA, South Africa
No. 35 10 000 ohm resistance standard, No. J201 069 130 104 DFM, Denmark
No. 34 Ionization chamber NE 2571, No. 3108 in a 60Co gamma-ray beam HIRCL, Greece
No. 33 Ionization chamber NE 2571, No. 3108 in medium-energy x-rays HIRCL, Greece
No. 32 100 pF capacitance standard, No. 01287 NMISA, South Africa
No. 31 10 pF capacitance standard, No. 01286 NMISA, South Africa
No. 30 1 pF capacitance standard, No. 01285 NMISA, South Africa
No. 29 1 pF capacitance standard, No. 01284 NMISA, South Africa
No. 28 1 ohm resistance standard, No. 1 146 606 NMISA, South Africa
No. 27 1 ohm resistance standard, No. 1 132 427 NMISA, South Africa
No. 26 Étalon de tension à diode de Zener, no 5740201 Metrology Division, Belgium
No. 25 100 pF capacitance standard, No. 01075 Metrology Division, Belgium
No. 24 10 pF capacitance standard, No. 01277 Metrology Division, Belgium
No. 23 100 pF capacitance standard, No. 01168 INTI, Argentina
No. 22 10 pF capacitance standard, No. 01171 INTI, Argentina
No. 21 10 pF capacitance standard, No. 01305 INETI, Portugal
No. 20 Ionization chamber Exradin A4, No. 231 in gamma-ray beams SRPA, Sweden
No. 19 Ionization chamber NE 2571, No. 2597 in a 60Co gamma-ray beam SRPA, Sweden
No. 18 Ionization chamber NE 2571, No. 2061 in a 60Co gamma-ray beam SRPA, Sweden
No. 17 Ionization chamber Exradin A3, No. 189 in medium-energy x-rays SRPA, Sweden
No. 16 Ionization chamber Exradin A3, No. 169 in medium-energy x-rays SRPA, Sweden
No. 15 Ionization chamber Radcal 10X5-6M, No. 9200 in low-energy x-rays SRPA, Sweden
No. 14 Ionization chamber Radcal 10X5-6M, No. 8302 in low-energy x-rays SRPA, Sweden
No. 13 Ionization chamber NE 2530, No. 538 in gamma-ray beams ININ, Mexico
No. 12 Ionization chamber NE 2611A, No. 176 in a 60Co gamma-ray beam ININ, Mexico
No. 11 Ionization chamber Exradin A12, No. 71931 in a 60Co gamma-ray beam ININ, Mexico
No. 10 10 000 ohm resistance standard, No. 1857471 UTE, Uruguay
No. 9 1 ohm resistance standard, No. 1877783 UTE, Uruguay
No. 8 10 000 ohm resistance standard, No. J207 119 030 104 INETI, Portugal
No. 7 1 ohm resistance standard, No. 1799559 INETI, Portugal
No. 6 10 000 ohm resistance standard, No. 115021 OMH, Hungary
No. 5 1 ohm resistance standard, No. 470419 OMH, Hungary
No. 4 1 ohm resistance standard, No. 76124 OMH, Hungary
No. 3 10 000 ohm resistance standard, No. 043007 INMETRO, Brazil
No. 2 1 ohm resistance standard, No. 1711458 INMETRO, Brazil
No. 1 1 ohm resistance standard, No. 1883427 INMETRO, Brazil

2007
No. 86 1 kg mass standard in stainless steel, No. 112493 KIM-LIPI, Indonesia
No. 85 1 kg mass standard in stainless steel, No. 112492 KIM-LIPI, Indonesia
No. 84 1 kg mass standard in stainless steel, No. 112491 KIM-LIPI, Indonesia
No. 83 Volume Magnetic Susceptibility of sample, KL-Ti KIM-LIPI, Indonesia
No. 82 Volume Magnetic Susceptibility of sample, KL-Alac KIM-LIPI, Indonesia
No. 81 Ionization chamber in x-rays, No. 0064 NMISA, South Africa
No. 80 Ionization chamber in 60Co gamma-ray beams, No. 0064 NMISA, South Africa
No. 79 Ionization chamber in x-rays, NE 2571 2719 NMISA, South Africa
No. 78 Ionization chamber in 60Co gamma-ray beams, NE 2571 2719 NMISA, South Africa
No. 77 100 pF capacitance standard, No. 01352 NPLI, India
No. 76 10 pF capacitance standard, No. 01351 NPLI, India
No. 75 Ionization chamber in 60Co gamma-ray beams, NE 2561-168 LNMRI, Brazil
No. 74 Ionization chamber in medium-energy x-rays, No. 168 LNMRI, Brazil
No. 73 Étalon de résistance de 10 000 ohm, no 718011 Metrology Division, Belgium
No. 72 Étalon de résistance de 100 ohm, no A2010200SR102 Metrology Division, Belgium
No. 71 100 ohm resistance standard, 274 557 CMI, Czechia
No. 70 1 ohm resistance standard, 1 910 466 NML-SIRIM, Malaysia
No. 69 Étalon de capacité de 10 Pf, no 45 INM, Romania
No. 68 Étalon de capacité de 100 Pf, no 46 INM, Romania
No. 67 Étalon de tension à diode de Zener, no 5940003 INM, Romania
No. 66 10 pF capacitance standard, No. 01112 NML-SIRIM, Malaysia
No. 65 10 pF capacitance standard, No. 01111 NML-SIRIM, Malaysia
No. 64 100 pF capacitance standard, No. 01110 NML-SIRIM, Malaysia
No. 63 100 pF capacitance standard, No. 01507 GUM, Poland
No. 62 10 pF capacitance standard, No. 01027 GUM, Poland
No. 61 10 pF capacitance standard, No. 01026 GUM, Poland
No. 60 10 pF capacitance standard, No. 01025 GUM, Poland
No. 59 10 pF capacitance standard, No. 01024 GUM, Poland
No. 58 Prototype de masse, n° 16 Hungary
No. 57 Ionization chamber in 60Co gamma-ray beam, No. NE 2571 CMI, Czechia
No. 56 1 kg mass standard in stainless steel, No. 83700 SPRING, Singapore
No. 55 Prototype de masse, n° 83 Singapore
No. 54 Ionization chamber in medium-energy x-rays, No. 145 IAEA
No. 53 Ionization chamber in medium-energy x-rays, No. 265 IAEA
No. 52 Ionization chamber in low-energy x-rays, No. 0844 IAEA
No. 51 Ionization chamber in low-energy x-rays, No. 1128 IAEA
No. 50 Ionization chamber in 60Co gamma-ray beam, No. 132 IAEA
No. 49 Ionization chamber in 60Co gamma-ray beam, No. 211 IAEA
No. 48 100 pF capacitance standard, No. 01326 CMI, Czechia
No. 47 100 pF capacitance standard, No. 01323 CMI, Czechia
No. 46 10 pF capacitance standard, No. 01181 CMI, Czechia
No. 45 10 000 ohm resistance standard, No. J 203 07 91 30104 DFM, Denmark
No. 44 Zener diode voltage standard, No. 9 170 714 ZMDM, Serbia
No. 43 Zener diode voltage standard, No. 8 140 006 NIS, Egypt
No. 42 Prototype de masse, no 72 Korea (Republic of)
No. 41 Prototype de masse, no 48 Denmark
No. 40 Helium-neon laser at 633 nm UME, Turkey
No. 39 Helium-neon laser at 633 nm, No. 299s NIS, Egypt
No. 38 Helium-neon laser at 633 nm, No. 385 KRISS, Korea (Republic of)
No. 37 Helium-neon laser at 633 nm, No. 9 INM-BNM, France
No. 36 Helium-neon laser at 633 nm INRIM, Italy
No. 35 100 pF capacitance standard, No. 01469 BEV, Austria
No. 34 10 pF capacitance standard, No. 01335 BEV, Austria
No. 33 100 pF capacitance standard, No. 01135 BEV, Austria
No. 32 10 000 ohm resistance standard, No. 270356 ZMDM, Serbia
No. 31 1 ohm resistance standard, No. 1758737 ZMDM, Serbia
No. 30 1 ohm resistance standard, No. 1758735 ZMDM, Serbia
No. 29 1 ohm resistance standard, No. 1755134 ZMDM, Serbia
No. 28 1 ohm resistance standard, No. 1749269 ZMDM, Serbia
No. 27 1 ohm resistance standard, No. 1684330 NIS, Egypt
No. 26 1 ohm resistance standard, No. 1681958 NIS, Egypt
No. 25 10 000 ohm resistance standard, No. 1784815 BEV, Austria
No. 24 1 ohm resistance standard, No. 1611312 BEV, Austria
No. 23 1 ohm resistance standard, No. 1915322 BEV, Austria
No. 22 10 000 ohm resistance standard, No. 1917542 NIMT, Thailand
No. 21 1 ohm resistance standard, No. 1915096 NIMT, Thailand
No. 20 1 kg mass standard in stainless steel, No. 33 ZMDM, Serbia
No. 19 Ionization chamber in gamma-ray beams, No. 467 CRRD, Argentina
No. 18 Ionization chamber in low-energy x-rays, No. 1250 NIS, Egypt
No. 17 Ionization chamber in medium-energy x-rays, No. 2016 NIS, Egypt
No. 16 Ionization chamber in gamma-ray beams, No 2016 NIS, Egypt
No. 15 Ionization chamber in medium-energy x-rays, No.229 NIS, Egypt
No. 14 Ionization chamber in gamma-ray beams, No. 229 NIS, Egypt
No. 13 100 pF capacitance standard, No. 01193 MIKES, Finland
No. 12 100 pF capacitance standard, No. 01192 MIKES, Finland
No. 11 10 pF capacitance standard, No. 01195 MIKES, Finland
No. 10 10 pF capacitance standard, No. 01194 MIKES, Finland
No. 9 100 pF capacitance standard, No. 01292 EIM, Greece
No. 8 100 pF capacitance standard, No. 01291 EIM, Greece
No. 7 10 pF capacitance standard, No. 01290 EIM, Greece
No. 6 10 pF capacitance standard, No. 01289 EIM, Greece
No. 5 100 pF capacitance standard, No. 01360 NIMT, Thailand
No. 4 10 pF capacitance standard, No. 01359 NIMT, Thailand
No. 3 1 pF capacitance standard, No. 01358 NIMT, Thailand
No. 2 Volume magnetic susceptibility of sample, EIM-Ti EIM, Greece
No. 1 Volume magnetic susceptibility of sample, EIM-Alac EIM, Greece

2006
No. 55 1 kg mass standard in stainless steel, No. 1kr NMIM, Malaysia
No. 54 1 kg mass standard in stainless steel, No. 1K3 NMIM, Malaysia
No. 53 Helium-neon laser at 633 nm, 336S NMIM, Malaysia
No. 52 Helium-neon laser at 633 nm, No. 181S CEM, Spain
No. 51 Helium-neon laser at 633 nm, No. 445 IPQ, Portugal
No. 50 Ionization chamber in medium-energy x-rays, No. 3170 LNE, France
No. 49 Ionization chamber in medium-energy x-rays, No. 3169 LNE, France
No. 48 Ionization chamber in 60Co gamma-ray beam, No. 261 KRISS, Korea (Republic of)
No. 47 100 pF capacitance standard, No. 01197 UME, Turkey
No. 46 100 pF capacitance standard, No. 01196 UME, Turkey
No. 45 10 pF capacitance standard, No. 01077 UME, Turkey
No. 44 10 pF capacitance standard, No. 01076 UME, Turkey
No. 43 1 pF capacitance standard, No. 01203 UME, Turkey
No. 42 1 pF capacitance standard, No. 01201 UME, Turkey
No. 41 100 pF capacitance standard, No. 01163 INMETRO, Brazil
No. 40 10 pF capacitance standard, No. 01209 INMETRO, Brazil
No. 39 1 pF capacitance standard, No. 01210 INMETRO, Brazil
No. 38 10 000 ohm resistance standard, No. J 202 089 130 104 NMIM, Malaysia
No. 37 100 pF capacitance standard, No. 01008 CEM, Spain
No. 36 10 pF capacitance standard, No. 01014 CEM, Spain
No. 35 1 pF capacitance standard, No. 01015 CEM, Spain
No. 34 100 pF capacitance standard, No. 01071 CENAM, Mexico
No. 33 100 pF capacitance standard, No. 01070 CENAM, Mexico
No. 32 10 pF capacitance standard, No. 01068 CENAM, Mexico
No. 31 10 pF capacitance standard, No. 01067 CENAM, Mexico
No. 30 Étalon de capacité de 100 pF, no 46 INM, Romania
No. 29 Étalon de capacité de 10 pF, no 45 INM, Romania
No. 28 1 kg mass standard in stainless steel, PTB47 INTI, Argentina
No. 27 1 kg mass standard in stainless steel, K30 INTI, Argentina
No. 26 Étalon de tension à diode de Zener, no 5940003 INM, Romania
No. 25 Ionization chamber in 60Co gamma-ray beam, 2690 METAS, Switzerland
No. 24 Ionization chamber in 60Co gamma-ray beam, 130 METAS, Switzerland
No. 23 1 kg mass standard in stainless steel, 013504/00 EIM, Greece
No. 22 Étalon de résistance de 10 000 ohm, no 43024 Metrology Division, Belgium
No. 21 Étalon de résistance de 10 000 ohm, no 616007 Metrology Division, Belgium
No. 20 Étalon de résistance de 100 ohm, no A2020199SR102 Metrology Division, Belgium
No. 19 Étalon de résistance de 1 ohm, no 1870794 Metrology Division, Belgium
No. 18 Étalon de résistance de 1 ohm, no 1870791 Metrology Division, Belgium
No. 17 100 pF capacitance standard, No. 01287 CSIR-NML, South Africa
No. 16 10 pF capacitance standard, No. 01286 CSIR-NML, South Africa
No. 15 1 pF capacitance standard, No. 01285 CSIR-NML, South Africa
No. 14 1 pF capacitance standard, No. 01284 CSIR-NML, South Africa
No. 13 1 kg mass standard in stainless steel, 1kr2 NML-SIRIM, Malaysia
No. 12 1kg mass standard in stainless steel, 1K4 NML-SIRIM, Malaysia
No. 11 Prototype de masse, no 76 Italy
No. 10 Prototype de masse, no 49 Austria
No. 9 Prototype de masse, no 28 Belgium
No. 8 Étalon de capacité de 100 pF, no 01075 Metrology Division, Belgium
No. 7 Étalon de capacité de 100 pF, no 01061 Metrology Division, Belgium
No. 6 Étalon de capacité de 10 pF, no 01150 Metrology Division, Belgium
No. 5 Étalon de tension à diode de Zener, no 5740201 Metrology Division, Belgium
No. 4 Helium-neon laser at 633 nm, NPLI-1(1) NPLI, India
No. 3 100 pF capacitance standard, No. 01360 NIMT, Thailand
No. 2 10 pF capacitance standard, No. 01359 NIMT, Thailand
No. 1 1 pF capacitance standard, No. 01358 NIMT, Thailand

2005
No. 96 1 kg mass standard in stainless steel, No. 013501/00 EIM, Greece
No. 95 100 pF capacitance standard, No. 01216 NMi-VSL, Netherlands
No. 94 100 pF capacitance standard, No. 01215 NMi-VSL, Netherlands
No. 93 10 pF capacitance standard, No. 01017 NMi-VSL, Netherlands
No. 92 10 pF capacitance standard, No. 01016 NMi-VSL, Netherlands
No. 91 Étalon de masse de 1 kg en acier inxoydable, no 81 INM, Romania
No. 90 Prototype de masse, no 2 Romania
No. 89 Prototype de masse, no 44 Australia
No. 88 Prototype de masse, 56 South Africa
No. 87 Zener diode voltage standard, 6120008 NML-SIRIM, Malaysia
No. 86 1 ohm resistance standard, 1 132 427 CSIR-NML, South Africa
No. 85 1 ohm resistance standard, 1 146 606 CSIR-NML, South Africa
No. 84 10 000 ohm resistance standard, 43 007 INMETRO, Brazil
No. 83 1 ohm resistance standard, 1 883 427 INMETRO, Brazil
No. 82 1 ohm resistance standard, 1 711 458 INMETRO, Brazil
No. 81 10 000 ohm resistance standard, 1917542 NIMT, Thailand
No. 80 1 ohm resistance standard, 1 915 096 NIMT, Thailand
No. 79 Prototype de masse, 75 SCL, Hong Kong (China)
No. 78 Étalon de masse de 1 kg en acier inoxydable, (SMB) 1 Belgium
No. 77 100 pF capacitance standard, 01292 EIM, Greece
No. 76 100 pF capacitance standard, 01291 EIM, Greece
No. 75 10 pF capacitance standard, 01290 EIM, Greece
No. 74 10 pF capacitance standard, 01289 EIM, Greece
No. 73 1 kg mass standard in stainless steel, S MSL, New Zealand
No. 72 Prototype de masse, 3 Spain
No. 71 1 kg mass standard in stainless steel, 1S2(2) NMi-VSL, Netherlands
No. 70 1 kg mass standard in stainless steel, 1S2(1) NMi-VSL, Netherlands
No. 69 Prototype de masse, 78 CMS, Chinese Taipei
No. 68 1 kg mass prototype, 46 Indonesia
No. 67 Helium-neon laser at 633 nm, SMU-1 SMU, Slovakia
No. 66 Helium-neon laser at 633 nm, DK1 DFM, Denmark
No. 65 Helium-neon laser at 633 nm, EIM-1 (LL0401/R16 EIM, Greece
No. 64 Helium-neon laser at 633 nm, INM PHT/HE/97 INM, Romania
No. 63 1 ohm resistance standard, 1 910 466 NML-SIRIM, Malaysia
No. 62 10 000 ohm resistance standard, J 206 06 9130104 DFM, Denmark
No. 61 10 000 ohm resistance standard, 40 694 GUM, Poland
No. 60 10 000 ohm resistance standard, 114 937 GUM, Poland
No. 59 1 ohm resistance standard, 41394 GUM, Poland
No. 58 1 ohm resistance standard, 40731 GUM, Poland
No. 57 1 ohm resistance standard, 75735 GUM, Poland
No. 56 1 ohm resistance standard, 74941 GUM, Poland
No. 55 Ionization chamber in 137Cs and 60Co gamma-ray beams, LS10 130 IAEA
No. 54 Étalon de résistance de 10 000 ohm, 5 885 010 INM, Romania
No. 53 Étalon de résistance de 10 000 ohm, 5 885 009 INM, Romania
No. 52 Étalon de résistance de 1 ohm, 17112 INM, Romania
No. 51 Étalon de résistance de 1 ohm, 17103 INM, Romania
No. 50 Ionization chamber in 60Co gamma-ray beam, PTW TM30001 1576 ITN, Portugal
No. 49 Ionization chamber in medium-energy x-rays, NE2571 2394 CRRD, Argentina
No. 48 Ionization chamber in 60Co gamma-ray beam, NE2571 2394 CRRD, Argentina
No. 47 Ionization chamber in medium-energy x-rays, NE2611 133 CRRD, Argentina
No. 46 Ionization chamber in 60Co gamma-ray beam, NE2611A 133 CRRD, Argentina
No. 45 Ionization chamber in 137Cs and 60Co gamma-ray beam, HS01 102 IAEA
No. 44 Ionization chamber in 137Cs and 60Co gamma-ray beam, LS01 115 IAEA
No. 43 10 pF capacitance standard, No. 01305 INETI, Portugal
No. 42 100 pF capacitance standard, No. 01110 NML-SIRIM, Malaysia
No. 41 10 pF capacitance standard, No. 01112 NML-SIRIM, Malaysia
No. 40 10 pF capacitance standard, No. 01111 NML-SIRIM, Malaysia
No. 39 1 pF capacitance standard, No. 01113 NML-SIRIM, Malaysia
No. 38 100 pF capacitance standard, No. 01188 METAS, Switzerland
No. 37 10 pF capacitance standard, No. 01191 METAS, Switzerland
No. 36 10 pF capacitance standard, No. 01300 METAS, Switzerland
No. 35 Étalon de capacité de 100 pF, no 46 INM, Romania
No. 34 Étalon de capacité de 10 pF, no 45 INM, Romania
No. 33 100 pF capacitance standard, No. 01326 CMI, Czechia
No. 32 100 pF capacitance standard, No. 01323 CMI, Czechia
No. 31 10 pF capacitance standard, No. 01181 CMI, Czechia
No. 30 Helium-neon laser at 633 nm, INM9 INM, France
No. 29 Ionization chamber in a 60Co gamma-ray beam, NE 2611-144 CSIR-NML, South Africa
No. 28 Ionization chamber in x-rays, NE 2611-144 CSIR-NML, South Africa
No. 27 Ionization chamber in gamma-ray beams, NE 2530-649 CSIR-NML, South Africa
No. 26 Référence de tension à diode de Zener, no 5940003 INM, Romania
No. 25 Étalon de résistance de 10 000 ohm, no 718011 Metrology Division, Belgium
No. 24 Étalon de résistance de 10 000 ohm, no 508004 Metrology Division, Belgium
No. 23 Étalon de résistance de 1 ohm, no 1816196 Metrology Division, Belgium
No. 22 Étalon de résistance de 1 ohm, no 1816192 Metrology Division, Belgium
No. 21 Étalon de résistance de 100 ohm, no A2010200SR102 Metrology Division, Belgium
No. 20 Étalon de capacité de 100 pF, no 01283 Metrology Division, Belgium
No. 19 Étalon de capacité de 100 pF, no 01276 Metrology Division, Belgium
No. 18 Étalon de capacité de 10 pF, no 01277 Metrology Division, Belgium
No. 17 Étalon de tension Fluke 732B, no 6945016 NCM, Bulgaria
No. 16 Étalon de tension Fluke 732B, no 5740201 Metrology Division, Belgium
No. 15 10 000 ohm resistance standard, No. 1784815 BEV, Austria
No. 14 1 ohm resistance standard, No. 1611312 BEV, Austria
No. 13 1 ohm resistance standard, No. 1915322 BEV, Austria
No. 12 Helium-neon laser at 633 nm, NMi-5 NMi-VSL, Netherlands
No. 11 Helium-neon laser at 633 nm, NIM D1 NIM, China
No. 10 Helium-neon laser at 633 nm, SP2 SP, Sweden
No. 9 Helium-neon laser at 633 nm, IPQ2 IPQ, Portugal
No. 8 Helium-neon laser at 633 nm, VNIIM2 VNIIM, Russian Federation
No. 7 Helium-neon laser at 633 nm, CSIR 4 CSIR, South Africa
No. 6 1 kg mass standard in stainless steel, No. 83700 SPRING, Singapore
No. 5 1 kg mass standard in stainless steel, C2 NIMT, Thailand
No. 4 1 kg mass standard in stainless steel, C1 NIMT, Thailand
No. 3 1 kg mass standard in stainless steel, E0 NIMT, Thailand
No. 2 Prototype de masse, no 90 Mexico
No. 1 Prototype de masse, no 89 Switzerland

2004
No. 98 100 pF capacitance standard, No. 01163 INMETRO, Brazil
No. 97 10 pF capacitance standard, No. 01209 INMETRO, Brazil
No. 96 1 pF capacitance standard, No. 01210 INMETRO, Brazil
No. 95 100 pF capacitance standard, No. 01360 NIMT, Thailand
No. 94 10 pF capacitance standard, No. 01359 NIMT, Thailand
No. 93 1 pF capacitance standard, No. 01358 NIMT, Thailand
No. 92 1 kg mass standard in stainless steel, No. 15 METAS, Switzerland
No. 91 1 kg mass standard in stainless steel, No. 14 METAS, Switzerland
No. 90 1 kg mass standard in stainless steel, No. 40503314 NCM, Bulgaria
No. 89 1 kg mass standard in stainless steel, No. 1 MT, Switzerland
No. 88 10 000 ohm resistance standard, No. 1917542 NIMP, Thailand
No. 87 1 ohm resistance standard, No. 1915096 NIMT, Thailand
No. 86 10 000 ohm resistance standard, No. 148058 SMU, Slovakia
No. 85 10 000 ohm resistance standard, No. 117720 SMU, Slovakia
No. 84 1 ohm resistance standard, No. 1859009 SMU, Slovakia
No. 83 1 ohm resistance standard, No. 222039 SMU, Slovakia
No. 82 1 ohm resistance standard, No. 144487 SMU, Slovakia
No. 81 10 000 ohm resistance standard, No. 115021 OMH, Hungary
No. 80 1 ohm resistance standard, 470419 OMH, Hungary
No. 79 1 ohm resistance standard, No. 76124 OMH, Hungary
No. 78 Ionization chamber in medium-energy x-rays, NE 2571-3169 BNM-LNHB, France
No. 77 Prototype de masse, no 87 Australia
No. 76 10 pF capacitance standard, No. 01027 GUM, Poland
No. 75 10 pF capacitance standard, No. 01026 GUM, Poland
No. 74 10 pF capacitance standard, No. 01025 GUM, Poland
No. 73 10 pF capacitance standard, No. 01024 GUM, Poland
No. 72 Volume magnetic susceptibility of sample, CEM-A CEM, Spain
No. 71 Helium-neon laser at 633 nm, No. 299s NIS, Egypt
No. 70 Ionization chamber in medium-energy x-rays, NE 2561-265 IAEA
No. 69 Prototype de masse, no 80 Thailand
No. 68 Prototype de masse, no 86 Sweden
No. 67 10 pF capacitance standard, No. 01219 CEM, Spain
No. 66 Référence de tension à diode de Zener, no 5940003 INM, Romania
No. 65 10 000 ohm resistance standard, No. 1914468 INPL, Israel
No. 64 100 ohm resistance standard, No. 242087 INPL, Israel
No. 63 1 ohm resistance standard, No. 755510 INPL, Israel
No. 62 Étalon de résistance de 1 omega, no 59099 CMI, Czechia
No. 61 Ionization chamber in 60Co gamma-ray beam, NE 2611A-211 IAEA
No. 60 Ionization chamber in 60Co gamma-ray beam, NE 2611A-132 IAEA
No. 59 Ionization chamber in 60Co gamma-ray beam, NE 2561-265 IAEA
No. 58 Ionization chamber in low-energy x-rays, PTW 23342-1128 IAEA
No. 57 10 000 ohm resistance standard, No. J204 119 030 104 INETI, Portugal
No. 56 1 ohm resistance standard, No. 1799595 INETI, Portugal
No. 55 10 000 ohm resistance standard, No. J201 069 130 104 DFM, Denmark
No. 54 100 pF capacitance standard, No. 01287 CSIR-NML, South Africa
No. 53 10 pF capacitance standard, No. 01286 CSIR-NML, South Africa
No. 52 1 pF capacitance standard, No. 01285 CSIR-NML, South Africa
No. 51 1 pF capacitance standard, No. 01284 CSIR-NML, South Africa
No. 50 10 pF capacitance standard, No. 112 SMU, Slovakia
No. 49 10 pF capacitance standard, No. 111 SMU, Slovakia
No. 48 100 pF capacitance standard, No. 01292 EIM, Greece
No. 47 100 pF capacitance standard, No. 01291 EIM, Greece
No. 46 10 pF capacitance standard, No. 01290 EIM, Greece
No. 45 10 pF capacitance standard, No. 01289 EIM, Greece
No. 44 Étalon de capacité de 100 pF, no 46 INM, Romania
No. 43 Étalon de capacité de 10 pF, no 45 INM, Romania
No. 42 Volume magnetic susceptibility, NML-Ti NMIA, Australia
No. 41 Volume magnetic susceptibility, NML-Alac NMIA, Australia
No. 40 100 pF capacitance standard, No. 01192 MIKES, Finland
No. 39 Zener diode voltage standard, No. 8140006 NIS, Egypt
No. 38 Helium-neon laser at 633 nm, MR13 MIKES, Finland
No. 37 Zener diode voltage standard, No. 612 0008 NMIM, Malaysia
No. 36 Ionization chamber in gamma-ray beams, Exradin A3-229 NRPA, Norway
No. 35 Ionization chamber in 60Co gamma-ray beam, NE 2561-099 NRPA, Norway
No. 34 Ionization chamber in 60Co gamma-ray beam, Capintec PR-06G-8429 NRPA, Norway
No. 33 Ionization chamber in medium-energy x-rays, Capintec PR-06G-8429 NRPA, Norway
No. 32 Ionization chamber in low-energy x-rays, NE 2536/3-17786 NRPA, Norway
No. 31 Ionization chamber in low-energy x-rays, Radcal RC6M-9065 NRPA, Norway
No. 30 Étalon de capacité de 100 pF, No 01361 LNE, France
No. 29 Étalon de capacité de 100 pF, No 01045 LNE, France
No. 28 Étalon de résistance de 100 ohm, no 226750 Metrology Division, Belgium
No. 27 Ionization chamber in 60Co gamma-ray beam, NE 2571-3125 CIEMAT, Spain
No. 26 Ionization chamber in medium-energy x-rays, NE 2571-3125 CIEMAT, Spain
No. 25 Ionization chamber in 60Co gamma-ray beam, Shonka-416 CIEMAT, Spain
No. 24 Ionization chamber in 137Cs gamma-ray beam, Shonka-413 CIEMAT, Spain
No. 23 Ionization chamber in 60Co gamma-ray beam, Shonka-346 CIEMAT, Spain
No. 22 Volume magnetic susceptibility, NIM-Ti NIM, China
No. 21 Volume magnetic susceptibility, NIM-A1ac NIM, China
No. 20 Prototype de masse, no 82 United Kingdom
No. 19 Étalon de capacité de 100 pF, no 01075 Metrology Division, Belgium
No. 18 Étalon de capacité de 100 pF, no 01061 Metrology Division, Belgium
No. 17 Étalon de capacité de 10 pF, no 01150 Metrology Division, Belgium
No. 16 Ionization chamber in 60Co gamma-ray beam, NE 2561-097 STUK, Finland
No. 15 Ionization chamber in medium-energy x-rays, NE 2561-097 STUK, Finland
No. 14 Ionization chamber in low-energy x-rays, NE 2536/3-R17827 STUK, Finland
No. 13 Ionization chamber in low-energy x-rays, PTW 23344-620 STUK, Finland
No. 12 Zener diode voltage standard, No. 3885037 FBMPM, Serbia
No. 11 Étalon de tension à diode de Zener, no 5740201 Metrology Division, Belgium
No. 10 Étalon de résistance de 100 ohm, no A2020199SR102 Metrology Division, Belgium
No. 9 Étalon de résistance de 10 000 ohm, no 43024 Metrology Division, Belgium
No. 8 Étalon de résistance de 10 000 ohm, no 43021 Metrology Division, Belgium
No. 7 Étalon de résistance de 1 ohm, No 1870791 Metrology Division, Belgium
No. 6 Étalon de résistance de 1 ohm, no S-64174 Metrology Division, Belgium
No. 5 10 000 ohm resistance standard, No. 270356 FBMPM, Serbia
No. 4 1 ohm resistance standard, No. 1758737 FBMPM, Serbia
No. 3 1 ohm resistance standard, No. 1758735 FBMPM, Serbia
No. 2 1 ohm resistance standard, No. 1755134 FBMPM, Serbia
No. 1 1 ohm resistance standard, No. 1749269 FBMPM, Serbia

2003
No. 79 Ionization chamber in 60Co gamma-ray beam, NE2571-3108 HIRCL, Greece
No. 78 1 kg mass standard in stainless steel, No. M001 NMIM, Malaysia
No. 77 10 000 ohm resistance standard, No. 43007 INMETRO, Brazil
No. 76 1 ohm resistance standard, No. 1883427 INMETRO, Brazil
No. 75 1 ohm resistance standard, No. 1711458 INMETRO, Brazil
No. 74 1 kg mass standard in stainless steel, No. T 4 NMIJ AIST, Japan
No. 73 Zener diode voltage standard, No. 6 945 016 NCM, Bulgaria
No. 72 Susceptibilité magnétique volumique, LNE 03 LNE, France
No. 71 Ionization chamber in 60Co gamma-ray beam, NE 2561-082 KFDA, Korea (Republic of)
No. 70 Prototype de masse, no 85 United States of America
No. 69 Helium-neon laser at 633 nm, INM 125 INM, France
No. 68 Helium-neon laser at 633 nm, GUM 1 GUM, Poland
No. 67 Ionization chamber in gamma-ray beams, Exradin A3-22482 HIRCL, Greece
No. 66 Prototype de masse, no 38 Switzerland
No. 65 Helium-neon laser at 633 nm, WEO-144 CENAM, Mexico
No. 64 Helium-neon laser at 633 nm, UME-L3 UME, Turkey
No. 63 Helium-neon laser at 633 nm, NRC INMS 2 (A 103) NRC-INMS, Canada
No. 62 Helium-neon laser at 633 nm, WEO SPRING Singapore, Singapore
No. 61 Helium-neon laser at 633 nm, PL03 CMI, Czechia
No. 60 Ionization chamber in gamma-ray beams, NE 2575-467 CRRD, Argentina
No. 59 Ionization chamber in 60Co gamma-ray beam, LS 01-115 IAEA
No. 58 Ionization chamber in 60Co gamma-ray beam, HS 01-102 IAEA
No. 57 Prototype de masse, no 53 Netherlands
No. 56 Prototype de masse, no 65 Slovakia
No. 55 100 pF capacitance standard, No. 01059 NRC-INMS, Canada
No. 54 Zener diode voltage standard, No. 648 5005 CMI, Czechia
No. 53 Prototype de masse, no 84 Korea (Republic of)
No. 52 Prototype de masse, no 83 Singapore
No. 51 10 000 ohm resistance standard, No. J 203 07 91 30104 DFM, Denmark
No. 50 10 000 ohm resistance standard, No. K 201 09 93 30104 CMI, Czechia
No. 49 100 pF capacitance standard, No. 01323 CMI, Czechia
No. 48 10 pF capacitance standard, No. K15 CMI, Czechia
No. 47 Ionization chamber in gamma-ray beams, Exradin A4-231 SRPA, Sweden
No. 46 Ionization chamber in 60Co gamma-ray beam, NE 2571-2061 SRPA, Sweden
No. 45 Ionization chamber in 60Co gamma-ray beam, NE 2561-056 SRPA, Sweden
No. 44 Ionization chamber in medium-energy x-rays, Exradin A3-189 SRPA, Sweden
No. 43 Ionization chamber in medium-energy x-rays, Exradin A3-169 SRPA, Sweden
No. 42 Ionization chamber in low-energy x-rays, Radcal 10X5-6M-8302 SRPA, Sweden
No. 41 Ionization chamber in low-energy x-rays, PTW23344-17918 SRPA, Sweden
No. 40 1 ohm resistance standard, No. 1910466 NML-SIRIM, Malaysia
No. 39 10 pF capacitance standard, No. 01014 CEM, Spain
No. 38 100 pF capacitance standard, No. 01110 NML-SIRIM, Malaysia
No. 37 10 pF capacitance standard, No. 01112 NML-SIRIM, Malaysia
No. 36 10 pF capacitance standard, No. 01111 NML-SIRIM, Malaysia
No. 35 1 pF capacitance standard, No. 01113 NML-SIRIM, Malaysia
No. 34 1 kg mass standard in platinum-iridium, No. "A" NPL, United Kingdom
No. 33 Prototype de masse, no 55 Germany
No. 32 Étalon de tension à diode de Zener, no 5940003 INM, France
No. 31 Étalon de r&ecute;sistance de 10 000 ohm, no 616007 Metrology Division, Belgium
No. 30 Étalon de r&ecute;sistance de 10 000 ohm, no 508004 Metrology Division, Belgium
No. 29 Étalon de r&ecute;sistance de 1 ohm, no 1870794 Metrology Division, Belgium
No. 28 Étalon de r&ecute;sistance de 1 ohm, no 1816192 Metrology Division, Belgium
No. 27 100 pF capacitance standard, No. 01071 CENAM, Mexico
No. 26 100 pF capacitance standard, No. 01070 CENAM, Mexico
No. 25 10 pF capacitance standard, No. 01068 CENAM, Mexico
No. 24 10 pF capacitance standard, No. 01067 CENAM, Mexico
No. 23 100 pF capacitance standard, No. 01292 EIM, Greece
No. 22 100 pF capacitance standard, No. 01291 EIM, Greece
No. 21 10 pF capacitance standard, No. 01290 EIM, Greece
No. 20 10 pF capacitance standard, No. 01289 EIM, Greece
No. 19 Étalon de capacité de capacité de 100 pF, No 46 INM, France
No. 18 Étalon de capacité de 10 pF, no 45 INM, France
No. 17 100 pF capacitance standard, No. 01287 CSIR-NML, South Africa
No. 16 10 pF capacitance standard, No. 01286 CSIR-NML, South Africa
No. 15 1pF capacitance standard, No. 01285 CSIR-NML, South Africa
No. 14 1pF capacitance standard, No. 01284 CSIR-NML, South Africa
No. 13 100 pF capacitance standard, No. 01135 BEV, Austria
No. 12 20 pF capacitance standard, No. 01138 BEV, Austria
No. 11 Prototype de masse, no 57 India
No. 10 Étalon de capacité de 100 pF, no 01288 Metrology Division, Belgium
No. 9 Étalon de capacité de 100 pF, no 01283 Metrology Division, Belgium
No. 8 Étalon de capacité de 100 pF, no 01276 Metrology Division, Belgium
No. 7 Étalon de capacité de 10 pF, no 01277 Metrology Division, Belgium
No. 6 Ionization chamber in 60Co gamma-ray beam, CC01-110 LNMRI/IRD, Brazil
No. 5 Helium-neon laser at 633 nm, No. NMi 4 - WEO 169 NMi-VSL, Netherlands
No. 4 Helium-neon laser at 633 nm, NMi/TUE 2 NMi-VSL, Netherlands
No. 3 Étalon de force électromotrice à diode de Zener, no 5 740 201 Metrology Division, Belgium
No. 2 TESA Green Laser, No. 021 CENAM, Mexico
No. 1 Helium-neon laser at 543 nm, No. 08A01/G10 SPRING Singapore, Singapore

2002
No. 91 Ionizing chamber in 137Cs gamma-ray beam, LS 01-115 IAEA
No. 90 1 kg mass standard in "Nicral D", No. SASO 1 SASO, Saudi Arabia
No. 89 100 pF capacitance standard, No. 01163 INMETRO, Brazil
No. 88 10 pF capacitance standard, No. 01209 INMETRO, Brazil
No. 87 100 pF capacitance standard, No. 01188 METAS, Switzerland
No. 86 10 pF capacitance standard, No. 01191 METAS, Switzerland
No. 85 10 pF capacitance standard, No. 01300 METAS, Switzerland
No. 84 Ionization chamber in 137Cs gamma-ray beam, HS 01-102 IAEA
No. 83 Ionization chamber in 137Cs gamma-ray beam, LS 01-115 IAEA
No. 82 Ionization chamber in medium-energy x-rays, NE 2561-265 IAEA
No. 81 Ionization chamber in low-energy x-rays, PTW 23344-0858 ARPANSA, Australia
No. 80 Ionization chamber in low-energy x-rays, transfer standard ARPANSA, Australia
No. 79 Three colour temperature standards, Nos. SB20495, SB20498, SB20499 GUM, Poland
No. 78 Zener diode voltage standard, No. 648 500 5 CMI, Czechia
No. 77 Ionization chamber in 137Cs gamma-ray beam, NE 2611A-144 CSIR-NML, South Africa
No. 76 Ionization chamber in 60Co gamma-ray beam, NE 2611A-144 CSIR-NML, South Africa
No. 75 Ionization chamber in x-rays, NE 2611A-144 CSIR-NML, South Africa
No. 74 Two colour temperature standards, Nos. 505, 606 NCM, Bulgaria
No. 73 Six luminous intensity standards (2800 K), Nos. 101, 202, 333, 505, 606, 1961 NCM, Bulgaria
No. 72 Two luminous flux standards (2800 K), Nos. 87/7, 85/34 NCM, Bulgaria
No. 71 Prototype de masse, no 72 Korea (Republic of)
No. 70 1 kg mass standard in "Immaculate V", No. E'69 NML, Ireland
No. 69 100 pF capacitance standard, No. 01323 CMI, Czechia
No. 68 10 pF capacitance standard, No. 01078-00025 UME, Turkey
No. 67 10 pF capacitance standard, No. K12 CMI, Czechia
No. 66 Ionization chamber in medium-energy x-rays, NE 2571-3169 BNM-LNHB, France
No. 65 1 kg mass standard in stainless steel, No. IRMM-15918 IRMM
No. 64 Ionization chamber in medium-energy x-rays, NE 2571-3170 BNM-LNHB, France
No. 63 Ionization chamber in low-energy x-rays, PTW M23344-713 ENEA-INMRI, Italy
No. 62 Ionization chamber in low-energy x-rays, PTW M23344-232 ENEA-INMRI, Italy
No. 61 Ionization chamber in medium-energy x-rays, ÖFZS TK 30-110 ENEA-INMRI, Italy
No. 60 Ionization chamber in medium-energy x-rays, ÖFZS TK 30-112 ENEA-INMRI, Italy
No. 59 Ionization chamber in medium-energy x-rays, Exradin A4-218 ENEA-INMRI, Italy
No. 58 Ionization chamber in medium-energy x-rays, PTW M23361-138 ENEA-INMRI, Italy
No. 57 10 000 ohm resistance standard, No. 40 694 GUM, Poland
No. 56 10 000 ohm resistance standard, No. 114 937 GUM, Poland
No. 55 1 ohm resistance standard, No. 41 394 GUM, Poland
No. 54 1 ohm resistance standard, No. 40 731 GUM, Poland
No. 53 1 ohm resistance standard, No. 75 735 GUM, Poland
No. 52 1 ohm resistance standard, No. 74 941 GUM, Poland
No. 51 1 ohm resistance standard, No. 113 242 7 CSIR-NML, South Africa
No. 50 1 ohm resistance standard, No. 114 660 6 CSIR-NML, South Africa
No. 49 1 ohm resistance standard, No. 168 433 0 NIS, Egypt
No. 48 1 ohm resistance standard, No. 167 969 2 NIS, Egypt
No. 47 1 ohm resistance standard, No. 168 195 8 NIS, Egypt
No. 46 1 ohm resistance standard, No. 590 99 CMI, Czechia
No. 45 1 ohm resistance standard, No. 179 959 5 INETI, Portugal
No. 44 Zener diode voltage standard, No. 616 000 9 INETI, Portugal
No. 43 Prototype de masse, no 70 Germany
No. 42 Prototype de masse, no 35 France
No. 41 10 pF capacitance standard, No. 01305 INETI, Portugal
No. 40 Three luminous intensity standards, Nos. 1/1, 1/2, 1/3 SZMDM, Serbia
No. 39 Four luminous intensity standards (2800 K), Nos. 7Ha78, 7HB78, 7HC78, 7GW78 SZMDM, Serbia
No. 38 Six luminous flux standards (2800 K), Nos. P134, P135, P137, P142, P143, P144 SZMDM, Serbia
No. 37 Seven luminous intensity standards (2800 K), Nos. 40G-01, 40G-02, 40G-04, 41G-01, 41G-02, 41G-03, 41G-04 INMETRO, Brazil
No. 36 Three colour temperature standards, Nos. 203/501, 204/505, 206/507 BRML-INM, Romania
No. 35 Seven luminous flux standards (2800 K), Nos. 2/01, 4/01, 1/864, 2/865, LP8888, L106, L107 BRML-INM, Romania
No. 34 Six luminous intensity standards (2800 K), Nos. 193/473, 196/474, 197/475, 198/476, 91/1, 91/3 BRML-INM, Romania
No. 33 Ionization chamber in medium-energy x-rays, NE 2571-2394 CRRD, Argentina
No. 32 Ionization chamber in 60Co gamma-ray beam, NE 2571-2394 CRRD, Argentina
No. 31 Ionization chamber in medium-energy x-rays, NE 2611A-133 CRRD, Argentina
No. 30 Ionization chamber in 60Co gamma-ray beam, NE 2611A-133 CRRD, Argentina
No. 29 Ionization chamber in 60Co gamma-ray beam, NE 2561-84 OMH, Hungary
No. 28 10 000 ohm resistance standard, No. J 206 06 91 30104 DFM, Denmark
No. 27 Ionization chamber in low-energy x-rays, Radcal 10X5-6M-8468 LNMRI, Brazil
No. 26 Ionization chamber in medium-energy x-rays, Exradin A2-157 LNMRI, Brazil
No. 25 Ionization chamber in medium-energy x-rays, NE 2561-264 LNMRI, Brazil
No. 24 Ionization chamber in 60Co gamma-ray beam, NE 2561-264 LNMRI, Brazil
No. 23 Ionization chamber in medium-energy x-rays, NE 2571-261 KRISS, Korea (Republic of)
No. 22 Ionization chamber in gamma-ray beams, Exradin A4-346 KRISS, Korea (Republic of)
No. 21 Ionization chamber in 60Co gamma-ray beam, NE 2561-82 KFDA, Korea (Republic of)
No. 20 Four luminous flux standards (2800 K), Nos. 30, 33, 36, 37 Metrology Division, Belgium
No. 19 Five luminous flux standards (2800 K), Nos. 21, 22, 23, 24, 25 Metrology Division, Belgium
No. 18 Ionization chamber in 60Co gamma-ray beam, PTW 23343-2862 NIS, Egypt
No. 17 Ionization chamber in 60Co gamma-ray beam, NE 2571-1262 NIS, Egypt
No. 16 Ionization chamber in 60Co gamma-ray beam, NE 2561-229 NIS, Egypt
No. 15 Ionization chamber in medium-energy x-rays, NE 2571-1262 NIS, Egypt
No. 14 Ionization chamber in medium-energy x-rays, NE 2561-229 NIS, Egypt
No. 13 Étalon de force électomotrice à diode de Zener, no 582 5005 NIS, Egypt
No. 12 Prototype de masse, no 58 Egypt
No. 11 1 kg mass standard in stainless steel, No. 8 CSIR-NML, South Africa
No. 10 Étalon de résistance de 10 000 ohms, no 5 885 010 INM, Romania
No. 9 Étalon de résistance de 10 000 ohms, no 5 885 009 INM, Romania
No. 8 Étalon de résistance de 1 ohm, no 17 112 INM, Romania
No. 7 Étalon de résistance de 1 ohm, no 17 103 INM, Romania
No. 6 Étalon de force électromotrice à diode de Zener, no 5 940 003 INM, Romania
No. 5 Ionization chamber in 137Cs gamma-ray beam, ND 1000-7711 NCM, Bulgaria
No. 4 Ionization chamber in x-rays, ND 1002-7814 NCM, Bulgaria
No. 3 Ionization chamber in x-rays, ND 1001-7814 NCM, Bulgaria
No. 2 Ionization chamber in gamma-ray beams, ND 1001-7814 NCM, Bulgaria
No. 1 1 kg mass standard in stainless steel, No. 85380 PSB, Singapore

2001
No. 95 Colour temperature standard, No. A613 PSB, Singapore
No. 94 Three luminous intensity standards (2800 K), Nos. A613, A615, A616 PSB, Singapore
No. 93 Three luminous intensity standards (2800 K), Nos. 650-3472, 655, 666-3473 SP, Sweden
No. 92 1 ohm resistance standard, No. 1 711 458 INMETRO, Brazil
No. 91 1 ohm resistance standard, No. 1 883 427 INMETRO, Brazil
No. 90 10 000 ohm resistance standard, No. 43007 INMETRO, Brazil
No. 89 Helium-neon laser at 633 nm, No. 132 NPL, United Kingdom
No. 88 Helium-neon laser at 633 nm, No. 107 CEM, Spain
No. 87 Helium-neon laser at 633 nm, No. 116 CEM, Spain
No. 86 Ionization chamber in 60Co gamma-ray beam, ND 1006-8508 SZMDM, Serbia
No. 85 Ionization chamber in medium-energy x-rays, ND 1006-8508 SZMDM, Serbia
No. 84 Prototype de masse, no 74 Canada
No. 83 Étalon de résistance de 10 000 ohm, no 43024 Metrology Division, Belgium
No. 82 Étalon de résistance de 10 000 ohm, no 43021 Metrology Division, Belgium
No. 81 Étalon de résistance de 1ohm, no S-64174 Metrology Division, Belgium
No. 80 Étalon de résistance de 1ohm, no 1870791 Metrology Division, Belgium
No. 79 Étalon de résistance de 1ohm, no 1816196 Metrology Division, Belgium
No. 78 Helium-neon laser at 633 nm, No. 180 NMIJ AIST, Japan
No. 77 Four luminous flux standards (2800 K), Nos. P120, P122, P169, P225 PSB, Singapore
No. 76 Three luminous flux standards (2800 K), Nos. 246 A, 250 D, 250 E SP, Sweden
No. 75 Helium-neon laser at 633 nm, No. 137 IMGC, Italy
No. 74 Helium-neon laser at 633 nm, No. 129 BKG, Germany
No. 73 Helium-neon laser at 633 nm, No. 113 BKG, Germany
No. 72 100 pF capacitance standard, No. 01198-00044 UME, Turkey
No. 71 100 pF capacitance standard, No. 01197-00044 UME, Turkey
No. 70 100 pF capacitance standard, No. 01196-00044 UME, Turkey
No. 69 10 pF capacitance standard, No. 01079-00025 UME, Turkey
No. 68 10 pF capacitance standard, No. 01078-00025 UME, Turkey
No. 67 10 pF capacitance standard, No. 01077-00025 UME, Turkey
No. 66 10 pF capacitance standard, No. 01076-00025 UME, Turkey
No. 65 Étalon de capacité de 100 pF, no 01075-00021 Metrology Division, Belgium
No. 64 Étalon de capacité de 100 pF, no 01061-00021 Metrology Division, Belgium
No. 63 Étalon de capacité de 10 pF, no 01150-00021 Metrology Division, Belgium
No. 62 Étalon de capacité de 10 pF, no 01149-00021 Metrology Division, Belgium
No. 61 Prototype de masse, no 48 Denmark
No. 60 Étalon de force électromotrice à diode de Zener, no 5 740 201 Metrology Division, Belgium
No. 59 Prototype de masse, no 24 Spain
No. 58 Prototype de masse, no 23 Finland
No. 57 1 kg mass standard in stainless steel, LPN-00-07 CENAM, Mexico
No. 56 1 kg mass standard in stainless steel, LPN-00-02 CENAM, Mexico
No. 55 Prototype de masse, no 21 Mexico
No. 54 Ionization chamber in 60Co gamma-ray beam, NE 2571-3108 HIRCL, Greece
No. 53 Helium-neon laser at 633 nm, No. 158 IAG, Germany
No. 52 Helium-neon laser at 633 nm, No. 164 IAG, Germany
No. 51 Helium-neon laser at 633 nm, No. 159 METAS, Switzerland
No. 50 Helium-neon laser at 633 nm, No. 136 ORB, Belgium
No. 49 Helium-neon laser at 633 nm, No. 176 IGN, Spain
No. 48 Helium-neon laser at 633 nm, No. 160 GSD, Canada
No. 47 Helium-neon laser at 633 nm, No. 130 GSD, Canada
No. 46 Helium-neon laser at 633 nm, No. 102 NIST, United States of America
No. 45 Helium-neon laser at 633 nm, No. 148 BEV, Austria
No. 44 Helium-neon laser at 633 nm, No. 146 EOST, France
No. 43 Ionization chamber in 137Cs gamma-ray beam, Exradin A4-231 SRPI, Sweden
No. 42 Ionization chamber in 137Cs gamma-ray beam, Exradin A4-119 SRPI, Sweden
No. 41 10 000 ohm resistance standard, No. 178 481 5 BEV, Austria
No. 40 1 ohm resistance standard, No. 191 532 2 BEV, Austria
No. 39 1 ohm resistance standard, No. 161 131 2 BEV, Austria
No. 38 10 000 ohm resistance standard, No. 274 916 EIM, Greece
No. 37 100 ohm resistance standard, No. 275 022 EIM, Greece
No. 36 1 ohm resistance standard, No. 274 977 EIM, Greece
No. 35 10 000 ohm resistance standard, No. K 201 09 93 30104 CMI, Czechia
No. 34 10 000 ohm resistance standard, No. J 204 11 91 30104 UME, Turkey
No. 33 10 000 ohm resistance standard, No. K 201 12 97 30104 UME, Turkey
No. 32 100 ohm resistance standard, No. 270168 UME, Turkey
No. 31 100 ohm resistance standard, No. 270167 UME, Turkey
No. 30 1 ohm resistance standard, No. 1616936 UME, Turkey
No. 29 1 ohm resistance standard, No. 1758733 UME, Turkey
No. 28 10 000 ohm resistance standard, No. 115021 OMH, Hungary
No. 27 1 ohm resistance standard, No. 470419 OMH, Hungary
No. 26 1 ohm resistance standard, No. 76124 OMH, Hungary
No. 25 Ionization chamber in 137Cs gamma-ray beam, LS 01-115 IAEA
No. 24 Ionization chamber in 60Co gamma-ray beam, NE 2561-321 IAEA
No. 23 Ionization chamber in 60Co gamma-ray beam, NE 2561-265 IAEA
No. 22 Ionization chamber in low-energy x-rays, PTW 23342-1128 IAEA
No. 21 Ionization chamber in low-energy x-rays, PTW 23344-089 LNMRI, Brazil
No. 20 Zener -diode voltage standard, No. 648 500 5 CMI, Czechia
No. 19 10 000 resistance standard, No. J 201 06 91 30104 DFM, Denmark
No. 18 10 pF capacitance standard, No. K15 CMI, Czechia
No. 17 10 pF capacitance standard, No. K12 CMI, Czechia
No. 16 Ionization chamber in gamma-ray beams, NE 2561-168 LNMRI, Brazil
No. 15 Prototype de masse, no 36 Norway
No. 14 1 kg mass standard in stainless steel, LMN5 Justervesenet, Norway
No. 13 1 kg mass standard in stainless steel, LMN1 Justervesenet, Norway
No. 12 1 kg mass standard in stainless steel, MS-S-14 Justervesenet, Norway
No. 11 10 pF capacitance standard, No. 01027 GUM, Poland
No. 10 10 pF capacitance standard, No. 01026 GUM, Poland
No. 9 10 pF capacitance standard, No. 01025 GUM, Poland
No. 8 10 pF capacitance standard, No. 01024 GUM, Poland
No. 7 Laser à hélium-néon de longueur d'onde 633 nm, NCM2 NCM, Bulgaria
No. 6 Laser à hélium-néon de longueur d'onde 633 nm, NCM1 NCM, Bulgaria
No. 5 Laser à hélium-néon de longueur d'onde 633 nm, no 68902 OMH, Hungary
No. 4 Laser à hélium-néon de longueur d'onde 633 nm, no 116 CEM, Spain
No. 3 1 kg mass standard in stainless steel, No. 83700 PSB, Singapore
No. 2 1 kg mass standard in platinum-iridium, No. "A" NPL, United Kingdom
No. 1 Prototype de masse, no 55 Germany

2000
No. 47 Étalon de force électromotrice à diode de Zener, no 5 740 201 Metrology Division, Belgium
No. 46 Zener-diode voltage standard, No. 7 195 010 OMH, Hungary
No. 45 Zener-diode voltage standard, No. 7 195 009 OMH, Hungary
No. 44 Zener-diode voltage standard, No. 7 195 008 OMH, Hungary
No. 43 Zener-diode voltage standard, No. 7 195 007 OMH, Hungary
No. 42 Étalon de force électromotrice à diode de Zener, no 36778 NCM, Bulgaria
No. 41 Étalon de résistance de 1 ohms, no 1870794 Metrology Division, Belgium
No. 40 Étalon de résistance de 1 ohm, no 1816192 Metrology Division, Belgium
No. 39 Étalon de résistance de 10 000 ohms, no 508004 Metrology Division, Belgium
No. 38 Étalon de résistance de 10 000 ohms, no 616007 Metrology Division, Belgium
No. 37 Étalon de résistance de 100 ohms, no 226750 Metrology Division, Belgium
No. 36 Four colour temperature standards, Nos. 2717, 2726, 477, 951 EZU, Czechia
No. 35 Six luminous flux standards (2800 K), Nos. 77A, 77C, 14, E1, E2, E3 EZU, Czechia
No. 34 Eight luminous flux standards, Nos. 511, 512, 40511, 40512, 40513, 100391, 100392, 100393 EZU, Czechia
No. 33 Three luminous intensity standards (2800 K), Nos. 511, 512, 2/88 EZU, Czechia
No. 32 Étalon de capacité de 100 pF, no 01288 Metrology Division, Belgium
No. 31 Étalon de capacité de 100 pF, no 01283 Metrology Division, Belgium
No. 30 Étalon de capacité de 10 pF, no 01276 Metrology Division, Belgium
No. 29 Étalon de capacité de 10 pF, no 01277 Metrology Division, Belgium
No. 28 10 pF capacitance standard, No. K15 CMI, Czechia
No. 27 10 pF capacitance standard, No. K12 CMI, Czechia
No. 26 10 pF capacitance standard, No. 01181 CMI, Czechia
No. 25 1 kg mass standard in stainless steel, MP3 CEM, Spain
No. 24 1 kg mass standard in stainless steel, No. 48 INTI, Argentina
No. 23 1 kg mass standard in stainless steel, K30 INTI, Argentina
No. 22 Prototype de masse, no 20 United States of America
No. 21 Prototype de masse, no 4 United States of America
No. 20 1 kg mass standard in stainless steel, No. 2188 LATU, Uruguay
No. 19 1 kg mass standard in stainless steel, Mettler-S MSL-IRL, New Zealand
No. 18 Three luminous intensity standards (2800 K), Nos. 122, 128, 129 NPLI, India
No. 17 Four luminous flux standards (2800 K), Nos. 406, 407, 410, 412 BEV, Austria
No. 16 Five luminous intensity standards, Nos. SB20490, SB20491, SB20492, SB20493, SB20494 GUM, Poland
No. 15 Five luminous flux standards (2800 K), Nos. TA21531C, TA21533C, TA21535C, TA21537C, TA21539C GUM, Poland
No. 14 Étalon de résistance de 1 omega, no 1799595 INETI, Portugal
No. 13 10 pF capacitance standard, No. 01278 INETI, Portugal
No. 12 Étalon de force électromotrice à diode de Zener, no 616 0009 INETI, Portugal
No. 11 Ionization chamber in gamma-ray beams, Shonka 346 CIEMAT, Spain
No. 10 Ionization chamber in gamma-ray beams, Shonka 413 CIEMAT, Spain
No. 9 1 kg mass standard in stainless steel, NSCCL CESMEC, Chile
No. 8 Prototype de masse, no 76 Italy
No. 7 Prototype de masse, no 67 Czechia
No. 6 Étalon de capacité de 100 pF, no 1045 BNM-LCIE, France
No. 5 Étalon de capacité de 10 pF, no 1047 BNM-LCIE, France
No. 4 100 pF capacitance standard, No. 01216 NMi-VSL, Netherlands
No. 3 100 pF capacitance standard, No. 01215 NMi-VSL, Netherlands
No. 2 10 pF capacitance standard, No. 01017 NMi-VSL, Netherlands
No. 1 10 pF capacitance standard, No. 01016 NMi-VSL, Netherlands

Study Notes
2018
No. 5 100 Ω standard resistor, No. 3300101 INMETRO, Brazil
No. 4 10 V array of SIS Josephson junctions, No. IPHT-2650-C4 KRISS, Korea (Republic of)
No. 3 Ion chamber Radcal RC6, No. 16954 in low-energy x-ray beams CRRD, Argentina
No. 2 1 pF capacitance standards, No. 02002 NIS, Egypt
No. 1 1 pF capacitance standard, No. 01832 GUM, Poland

2016
No. 1 1 pF capacitance standard, Andeen-Hagerling model AH11A No. 01113 NMIM, Malaysia

2015
No. 5 1 kg mass prototype, No. 109 PTB, Germany
No. 4 1 Ω resistance standard, Yokogawa type 2781, No. 64VT4001 NIMT, Thailand
No. 3 100 Ω resistance standard, Tinsley type 5685A, No.274468 NIMT, Thailand
No. 2 100 pF capacitance standard, Andeen-Hagerling model AH11A, No.01276 SMD-ENS, Belgium
No. 1 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01646 CEM, Spain

2014
No. 1 Electronic voltage standard, Fluke model 732B, No. 8195025 SMD, Belgium

2013
No. 4 1 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01113 NML-SIRIM, Malaysia
No. 3 Ionization chamber NE 2611, No. 213 in a 60Co gamma-ray beam CRRD, Argentina
No. 2 10 000 Ω resistance standard, TEGAM type SR104, No. K201100430104 NIMT, Thailand
No. 1 1 Ω resistance standard, Yokogawa type 2781, No. 64VT4001 NIMT, Thailand

2012
No. 4 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01008 CEM, Spain
No. 3 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01219 CEM, Spain
No. 2 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01014 CEM, Spain
No. 1 12 906 Ω resistance standard, type Tegam SP5121, No. A2010800 CMI, Czechia

2011
No. 4 10 000 Ω resistance standard, Tinsley type 5685B, No. 15807/02 DMDM, Serbia
No. 3 Ionization chamber PTW TW 30001, No. 2123 in a 60Co gamma-ray beam BARC, India
No. 2 10 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01218 CEM, Spain
No. 1 100 pF capacitance standard, Andeen-Hagerling model AH11A, No. 01624 BIM, Bulgaria

2010
No. 3 1 kg mass standard in stainless steel, E0 NIS, Egypt
No. 2 100 Ω resistance standard, TEGAM type SR102, No. J1-0919615 KRISS, Korea (Republic of)
No. 1 10 000 Ω resistance standard, Guildline type 7334, No. 69159 KRISS, Korea (Republic of)

2009
No. 8 10 pF capacitance standard, model AH11A, No. 01176 PTB, Germany
No. 7 1 pF capacitance standard, No. 01113 NML-SIRIM, Malaysia
No. 6 1.018 V electronic voltage standard, No. 8140003 NIS, Egypt
No. 5 1,018 V tension continue électronique, n° 5940003 INM, Romania
No. 4 100 pF capacitance standard, No. 01135 BEV, Austria
No. 3 Ionization chamber NE 2536/3, No. 17786 in low-energy x-rays NRPA, Norway
No. 2 Étalon de masse de 500 g en platine iridié, "W2" LNE-INM/Cnam, France
No. 1 Étalon de masse de 500 g en platine iridié, "W1" LNE-INM/Cnam, France

2008
No. 3 1 kg mass standard, No. 651 NPL, United Kingdom
No. 2 1 kg mass standard in platinum-iridium, "A" NPL, United Kingdom
No. 1 100 pF capacitance standard, No. 01013 CEM, Spain

2007
No. 3 1 pF capacitance standard, No. 01113 NML-SIRIM, Malaysia
No. 2 Electronic voltage standard, No. 780 EIM, Greece
No. 1 10 pF capacitance standard, No. 304 PTB, Germany

2006
No. 1 100 pF capacitance standard, No. 01013 CEM, Spain

2005
No. 18 Helium-neon laser at 633 nm Geodesic Survey Division, Canada
No. 17 Helium-neon laser at 633 nm EOST, France
No. 16 Helium-neon laser at 633 nm CMS/ITRI, Chinese Taipei
No. 15 Helium-neon laser at 633 nm NMIJ/AIST, Japan
No. 14 Helium-neon laser at 633 nm ECGS, Luxembourg
No. 13 Helium-neon laser at 633 nm IGN, Spain
No. 12 Helium-neon laser at 633 nm BEV, Austria
No. 11 Helium-neon laser at 633 nm METAS, Switzerland
No. 10 Helium-neon laser at 633 nm GOP, Czechia
No. 9 Helium-neon laser at 633 nm INRIM, Italy
No. 8 Helium-neon laser at 633 nm FGI, Finland
No. 7 Helium-neon laser at 633 nm BKG, Germany
No. 6 Helium-neon laser at 633 nm CNRS, France
No. 5 10 pF capacitance standard, No. 01176 PTB, Germany
No. 4 Helium-neon laser at 633 nm ORB, Belgium
No. 3 100 pF capacitance standard, No. 01189 METAS, Switzerland
No. 2 Étalon de capacité de 100 pF, no 01288 SMD, Belgium
No. 1 Helium-neon laser at 633 nm, BIW167 Winters Electro-Optics, United States of America

2004
No. 8 100 pF capacitance standard, No. 01217 CEM, Spain
No. 7 10 pF capacitance standard, No. 01218 CEM, Spain
No. 6 100 pF capacitance standard, No. 3974 INPL, Israel
No. 5 10 pF capacitance standard, No. 3896 INPL, Israel
No. 4 100 pF capacitance standard, No. 01193 MIKES, Finland
No. 3 10 pF capacitance standard, No. 01195 MIKES, Finland
No. 2 10 pF capacitance standard, No. 01194 MIKES, Finland
No. 1 Étalon de capacité de 10 pF, no 01149 Metrology Division (SMD), Belgium

2003
No. 5 Ionization chamber in medium-energy x-rays, NE 2577-239 BNM-LNHB, France
No. 4 10 pF capacitance standard, No. 01060 NRC-INMS, Canada
No. 3 10 pF capacitance standard, No. K12 CMI, Czechia
No. 2 100 pF capacitance standard, No. 01013 CEM, Spain
No. 1 1 kg mass standard in platinum-iridium, No. 651 NPL, United Kingdom

2002
No. 5 1 pF capacitance standard, No. 01210 INMETRO, Brazil
No. 4 100 pF capacitance standard, No. 01189 METAS, Switzerland
No. 3 Ten luminous intensity standards, 2042 K: Nos. 101, 102, 103, 104, 105;
2353 K: Nos. 121, 122, 123, 124, 125
Metrology Division (SMD), Belgium
No. 2 Seven luminous intensity standards (2856 K), Nos. 40G-01, 40G-02, 40G-04, 41G-01, 41G-02, 41G-03, 41G-04 INMETRO, Brazil
No. 1 Water triple-point cell, No. 0590 INMETRO, Brazil

2001
No. 8 Laser à hélium-néon de longueur d'onde 633 nm, no 19 FGI, Finland
No. 7 Laser à hélium-néon de longueur d'onde 633 nm, no 18 FGI, Finland
No. 6 Laser à hélium-néon de longueur d'onde 633 nm, A10 BKG, Germany
No. 5 Laser à hélium-néon de longueur d'onde 633 nm, no 118 EOST, France
No. 4 Four 1 kg mass standards in stainless steel, E4, E5, E6, E7 SMU, Slovakia
No. 3 Two 100 ohm resistance standards, No. 02593 VNIIM, Russian Federation
No. 2 10 000 ohm and 12 906 ohm resistances, No. A2010800SP5121 CMI, Czechia
No. 1 1 kg mass standard in platinum-iridium, No. 651 NPL, United Kingdom

2000
No. 3 Water triple-point cell, No. 052 UME, Turkey
No. 2 Three luminous intensity standards (2600 K), Nos. 122, 128, 129 NPLI, India
No. 1 Three luminous flux standards (2800 K), Nos. 210, 211, 212 NPLI, India
Traceability to the SI through the BIPM
Subject area:
What is traceability?
BIPM policy on stating uncertainties
Provision of BIPM technical services per Member State
Chemistry
Electricity
Ionizing Radiation
Mass
Time
Related articles
BIPM calibration and measurement services
Comparisons piloted by the BIPM