Results for: bulgeria
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Ionizing radiation
Geographical location
In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Bulgaria, BIM (Bulgarian Institute of Metrology)
Ionizing radiation
Kerma/rate , Gamma irradiator : 6.00E-6 Gy/h to 0.1 Gy/h
Relative expanded uncertainty 2.3 %
Calibration against a secondary standard free in air
Cs-137, no further specifications
Reference standard : Secondary standard with ionization chambers type ND 1000
Source of traceability : PTB
Approved on 13 February 2007
Institute service identifier : EUR-RAD-BIM-1007
Ionizing radiation
Kerma/rate , Gamma irradiator : 0.1 Gy/h to 1 Gy/h
Relative expanded uncertainty 1.5 %
Calibration against a secondary standard free in air
Co-60, no further specifications
Reference standard : Secondary standard with ionization chambers type ND1001
Source of traceability : BIPM
Approved on 13 February 2007
Institute service identifier : EUR-RAD-BIM-1004
Ionizing radiation
Kerma/rate , Dosemeter ionization chamber : 6.00E-6 Gy to 0.1 Gy
Relative expanded uncertainty 2.3 %
Calibration against a secondary standard free in air
Co-60, no further specifications
Reference standard : Secondary standard with ionization chambers type ND 1000
Source of traceability : PTB
Approved on 13 February 2007
Institute service identifier : EUR-RAD-BIM-1003
Ionizing radiation
Kerma/rate , Secondary standard ionization chamber : 0.4 Gy to 1.3 Gy
Relative expanded uncertainty 1 %
Calibration against a primary standard ionization chamber
Co-60, Beam size 15 cm by 15 cm, field at 1 m distance. Air kerma rate 0.2 mGy/s
Reference standard : Primary standard graphite cavity ionization chamber type ND1005
Source of traceability : BIM
Approved on 13 February 2007
Institute service identifier : EUR-RAD-BIM-1001
Ionizing radiation
Kerma/rate , Dosemeter ionization chamber : 0.1 Gy to 1 Gy
Relative expanded uncertainty 1.5 %
Calibration against a secondary standard free in air
Co-60, Beam size 15 cm by 15 cm, field at 1 m distance. Air kerma rate 0.2 mGy/s
Reference standard : Secondary standard with ionization chambers type ND1001
Source of traceability : BIPM
Approved on 13 February 2007
Institute service identifier : EUR-RAD-BIM-1002
Ionizing radiation
Kerma/rate , Gamma irradiator : 6.00E-6 Gy/h to 0.1 Gy/h
Relative expanded uncertainty 2.3 %
Calibration against a secondary standard free in air
Co-60, no further specifications
Reference standard : Secondary standard with ionization chambers type ND 1000
Source of traceability : PTB
Approved on 13 February 2007
Institute service identifier : EUR-RAD-BIM-1005
Ionizing radiation
Kerma/rate , Gamma irradiator : 0.1 Gy/h to 1 Gy/h
Relative expanded uncertainty 1.5 %
Calibration against a secondary standard free in air
Cs-137, no further specifications
Reference standard : Secondary standard with ionization chambers type ND1001
Source of traceability : BIPM
Approved on 13 February 2007
Institute service identifier : EUR-RAD-BIM-1006

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