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Japan, NMIJ AIST (National Metrology Institute of Japan)
Complete CMCs in Ionizing Radiation for Japan (.PDF file)
Activity per unit mass. Single nuclide, solution, 2.0E+03 Bq g-1 to 4.00E+06 Bq g-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.2
Liquid scintillation counter, balance
P-33: no further specifications
Reference standard: Efficiency tracing with 4- coincidence, standard set of weights
Source of traceability: NMIJ/AIST
Approved on 14 February 2005
Internal NMI service identifier: APM-RAD-NMIJ/AIST-2007
Activity per unit mass. Single nuclide, solution, 2.0E+03 Bq g-1 to 4.00E+06 Bq g-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.2
Liquid scintillation counter, balance
S-35: no further specifications
Reference standard: Efficiency tracing with 4- coincidence, standard set of weights
Source of traceability: NMIJ/AIST
Approved on 14 February 2005
Internal NMI service identifier: APM-RAD-NMIJ/AIST-2008
Activity per unit mass. Single nuclide, solution, 2.0E+03 Bq g-1 to 4.00E+06 Bq g-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1
Liquid scintillation counter, balance
Cl-36: no further specifications
Reference standard: Efficiency tracing with 4- coincidence, standard set of weights
Source of traceability: NMIJ/AIST
Approved on 14 February 2005
Internal NMI service identifier: APM-RAD-NMIJ/AIST-2009
Activity per unit mass. Single nuclide, solution, 2.0E+05 Bq g-1 to 2.00E+08 Bq g-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1
4- coincidence counting system, balance
K-42: no further specifications
Reference standard: 4- absolute measurement, standard set of weights
Source of traceability: NMIJ/AIST
Approved on 14 February 2005
Internal NMI service identifier: APM-RAD-NMIJ/AIST-2010
Activity per unit mass. Single nuclide, solution, 2.0E+03 Bq g-1 to 4.00E+06 Bq g-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1
Liquid scintillation counter, balance
Ca-45: no further specifications
Reference standard: Efficiency tracing with 4- coincidence, standard set of weights
Source of traceability: NMIJ/AIST
Approved on 14 February 2005
Internal NMI service identifier: APM-RAD-NMIJ/AIST-2011
Activity per unit mass. Single nuclide, solution, 2.0E+05 Bq g-1 to 2.00E+08 Bq g-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.8
4- coincidence counting system, balance
Sc-46: no further specifications
Reference standard: 4- absolute measurement, standard set of weights
Source of traceability: NMIJ/AIST
Approved on 14 February 2005
Internal NMI service identifier: APM-RAD-NMIJ/AIST-2012
Air kerma rate. Ionization chamber, 9.0E-08 Gy s-1 to 2.9E-06 Gy s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.5
Irradiation in a calibrated field
Cs-137: 222 GBq (1980), 1.1 m to 6 m
Reference standard: Primary cavity chamber
Source of traceability: NMIJ/AIST
Approved on 17 April 2015
Internal NMI service identifier: APM-RAD-NMIJ/AIST-1013
Air kerma rate. Ionization chamber, 5.4E-09 Gy s-1 to 1.7E-07 Gy s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2.0
Irradiation in a calibrated field
Cs-137: 18.5 GBq (1980), 1.1 m to 6 m
Reference standard: Primary cavity chamber
Source of traceability: NMIJ/AIST
Approved on 17 April 2015
Internal NMI service identifier: APM-RAD-NMIJ/AIST-1014
Air kerma rate. Ionization chamber, 6.7E-10 Gy s-1 to 2.2E-08 Gy s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2.4
Irradiation in a calibrated field
Cs-137: 1.85 GBq (1980), 1.1 m to 6 m
Reference standard: Primary cavity chamber
Source of traceability: NMIJ/AIST
Approved on 17 April 2015
Internal NMI service identifier: APM-RAD-NMIJ/AIST-1015
Absorbed dose rate to tissue in 0.07 mm depth. Ionization chamber, 1.1E-05 Gy s-1 to 1.1E-05 Gy s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2.8
Irradiation in a calibrated field
Beta radiation: Sr-90/Y-90, 460 MBq (2006.2), ISO 6980
Reference standard: Primary extrapolation chamber
Source of traceability: NMIJ/AIST
Approved on 17 April 2015
Internal NMI service identifier: APM-RAD-NMIJ/AIST-1016
Absorbed dose rate to tissue in 0.07 mm depth. Ionization chamber, 3.5E-05 Gy s-1 to 3.5E-05 Gy s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2.8
Irradiation in a calibrated field
Beta radiation: Kr-85, 3.7 GBq (2006.2), ISO 6980
Reference standard: Primary extrapolation chamber
Source of traceability: NMIJ/AIST
Approved on 17 April 2015
Internal NMI service identifier: APM-RAD-NMIJ/AIST-1017
Absorbed dose rate to tissue in 0.07 mm depth. Ionization chamber, 2.0E-06 Gy s-1 to 2.0E-06 Gy s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 4.8
Irradiation in a calibrated field
Beta radiation: Pm-147, 3.7 GBq (2006.2), ISO 6980
Reference standard: Primary extrapolation chamber
Source of traceability: NMIJ/AIST
Approved on 17 April 2015
Internal NMI service identifier: APM-RAD-NMIJ/AIST-1018
Fluence rate. Neutron sensitive device, 5.0E+01 cm-2 s-1 to 1.0E+04 cm-2 s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2.8
Irradiation in a calibrated field
Thermal neutron distribution: Am-241/Be-9 source, 148 GBq (1992.1), located at center of graphite pile with average neutron temperature between 310 K and 330 K, inside or outside of the graphite pile (1.9 x 1.9 x 2.3 m), ISO 8529-1
Reference standard: Au foil activation
Source of traceability: NMIJ/AIST
Approved on 01 June 2011
Internal NMI service identifier: APM-RAD-NMIJ/AIST-3001
Fluence rate. Neutron sensitive device, 9.0E+00 cm-2 s-1 to 9.0E+02 cm-2 s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 4.4
Calibration relative to a calibrated long counter
Mono-energetic neutrons (at 1 m from the source): 144 keV Li-7 (p,n) Be-7, ISO 8529-1
Reference standard: Recoil proton proportional counter
Source of traceability: NMIJ/AIST
Approved on 01 June 2011
Internal NMI service identifier: APM-RAD-NMIJ/AIST-3002
Fluence rate. Neutron sensitive device, 2.5E+01 cm-2 s-1 to 2.5E+03 cm-2 s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 4.4
Calibration relative to a calibrated long counter
Mono-energetic neutrons (at 1 m from the source): 565 keV Li-7 (p,n) Be-7, ISO 8529-1
Reference standard: Recoil proton proportional counter
Source of traceability: NMIJ/AIST
Approved on 01 June 2011
Internal NMI service identifier: APM-RAD-NMIJ/AIST-3003
Fluence rate. Neutron sensitive device, 1.0E+01 cm-2 s-1 to 1.0E+03 cm-2 s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 6.2
Calibration relative to a calibrated long counter
Mono-energetic neutrons (at 1 m from the source): 5.0 MeV D (d,n) He-3 reaction, ISO 8529-1
Reference standard: Recoil proton detector
Source of traceability: NMIJ/AIST
Approved on 01 June 2011
Internal NMI service identifier: APM-RAD-NMIJ/AIST-3004
Fluence rate. Neutron sensitive device, 1.5E+01 cm-2 s-1 to 3.0E+03 cm-2 s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 3.2
Calibration relative to a primary standard instrument (associated particle detector)
Mono-energetic neutrons (at 1 m from the source): 14.8 MeV T (d,n) He-4 reaction, ISO 8529-1
Reference standard: Associated alpha particle counting
Source of traceability: NMIJ/AIST
Approved on 01 June 2011
Internal NMI service identifier: APM-RAD-NMIJ/AIST-3005
Fluence rate. Neutron sensitive device, 8.0E-01 cm-2 s-1 to 8.0E+01 cm-2 s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 3.6
Irradiation with a calibrated neutron source
Cf-252 source (at 1 m from the source): bare Cf-252, 200 MBq (2005.8), 200 MBq (1992.1), 3.7 MBq (2002.10), ISO 8529-1
Reference standard: Calibrated neutron source
Source of traceability: NPL
Approved on 01 June 2011
Internal NMI service identifier: APM-RAD-NMIJ/AIST-3006
Fluence rate. Neutron sensitive device, 1.6E+00 cm-2 s-1 to 7.4E+01 cm-2 s-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2.8
Irradiation with a calibrated neutron source
Am-241/Be-9 source (at 1 m from the source): bare Am-241/Be-9, 148 GBq (1992.1), 3.7 GBq (2009.11), ISO 8529-1
Reference standard: Calibrated neutron source
Source of traceability: NPL
Approved on 01 June 2011
Internal NMI service identifier: APM-RAD-NMIJ/AIST-3007
Personal dose equivalent rate. Neutron personal dosimeter, 1.2E-06 Sv h-1 to 1.2E-04 Sv h-1
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 4.1
Irradiation with a calibrated neutron source
Cf-252 source (at 1 m from the source and for an angle of incidence of 0 deg): bare Cf-252, 200 MBq (2005.8), 200 MBq (1992.1), 3.7 MBq (2002.10), ISO 8529-1
Reference standard: Calibrated neutron source
Source of traceability: NPL
Approved on 01 June 2011
Internal NMI service identifier: APM-RAD-NMIJ/AIST-3008