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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)
IAEA - International Organization, IAEA (International Atomic Energy Agency)
Ionizing radiation
Air kerma/rate , Protection ionization chamber : 0.6 mGy/h to 12 mGy/h
Relative expanded uncertainty 1.2 %
Calibration against a secondary standard free in air
X-ray, 10 kV to 50 kV, ISO 4037, Narrow Series, 40 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : PTB
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1006
Ionizing radiation
Air kerma/rate , Protection ionization chamber : 0.036 mGy/h to 9 mGy/h
Relative expanded uncertainty 3.2 % to 0.8 %
Calibration against a secondary standard free in air
Cs-137, ISO 4037
Reference standard : Secondary standard ionization chamber
Source of traceability : BIPM
Uncertainty varies linearly within the range
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1008
Ionizing radiation
Air kerma length product , Diagnostic ionisation chamber : 1.50E-3 Gy cm to 1.5 Gy cm
Relative expanded uncertainty 1.2 %
Calibration against a secondary standard free in air
X-ray, 50 kV to 420 kV, IEC 61267, RQT beams, 100 kV to 150 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : PTB
According to the IAEA TRS 457
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1025
Ionizing radiation
Air kerma/rate , Diagnostic ionisation chamber : 1.70E-4 Gy/s to 1.70E-3 Gy/s
Relative expanded uncertainty 1.1 %
Calibration against a secondary standard free in air
X-ray, 50 kV to 420 kV, IEC 61267, RQT beams, 100 kV to 150 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : PTB
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1024
Ionizing radiation
Air kerma/rate , Diagnostic ionisation chamber : 1.70E-5 Gy/s to 1.00E-3 Gy/s
Relative expanded uncertainty 1.3 %
Calibration against a secondary standard free in air
X-ray, 10 kV to 50 kV, Mammography qualities (anode material + x mm of filter material)
Approved on : 09 January 2018
Reference standard : Secondary standard ionization chamber
Source of traceability : PTB
Mammography qualities (i) Mo + 0.03 Mo, with and without additional 2 mm Al for 25 kV to 35 kV, IEC61627 RQR-M and RQA-M for 25 kV to 35 kV; (ii) Mo + 0.028 Rh, 25 kV to 35 kV; W + 0.048 Rh, 25 kV to 35 kV; W + 0.049 Ag, 25 kV to 35 kV
Approved on 21 October 2001
Institute service identifier : EUR-RAD-IAEA-1018
Ionizing radiation
Air kerma/rate , Diagnostic ionisation chamber : 1.70E-4 Gy/s to 1.20E-3 Gy/s
Relative expanded uncertainty 1.1 %
Calibration against a secondary standard free in air
X-ray, 10 kV to 50 kV, IEC 61267, RQR series, 40 kV to 50 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : PTB
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1022
Ionizing radiation
Ambient dose equivalent/rate , Protection ionization chamber : 0.036 mSv/h to 9 mSv/h
Relative expanded uncertainty 3.5 % to 1.2 %
Calibration against a secondary standard free in air
Cs-137, ISO 4037
Reference standard : Secondary standard ionization chamber
Source of traceability : BIPM
Traceable to the H*(10) standard at the BIPM without conversion from air kerma Uncertainty varies linearly within the range
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1012
Ionizing radiation
Ambient dose equivalent/rate , Protection ionization chamber : 0.6 mSv/h to 12 mSv/h
Relative expanded uncertainty 3.3 %
Calibration against a secondary standard free in air
X-ray, 10 kV to 50 kV, ISO 4037, Narrow Series, 40 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : PTB
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1010
Ionizing radiation
Personal dose equivalent/rate, penetrating , Protection ionization chamber / personal dosimeter : 0.2 mSv to 30 mSv
Relative expanded uncertainty 5 %
Calibration against a secondary standard on the surface of the slab phantom
X-ray, 50 kV to 420 kV, ISO 4037, Narrow Series, 60 kV to 300 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : PTB
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1015
Ionizing radiation
Air kerma/rate , Therapy ionization chamber : 2.00E-4 Gy/s to 2.00E-3 Gy/s
Relative expanded uncertainty 0.8 %
Calibration against a secondary standard free in air
X-ray, 50 kV to 420 kV, BIPM-CCRI, 100 kV to 250 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : BIPM
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1004
Ionizing radiation
Air kerma/rate , Therapy ionization chamber : 2.00E-3 Gy/s to 0.02 Gy/s
Relative expanded uncertainty 0.8 %
Calibration against a secondary standard free in air
Co-60, IAEA TRS-277
Reference standard : Secondary standard ionization chamber
Source of traceability : BIPM
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1002
Ionizing radiation
Air kerma/rate , Protection ionization chamber : 0.6 mGy/h to 12 mGy/h
Relative expanded uncertainty 1.2 %
Calibration against a secondary standard free in air
X-ray, 50 kV to 420 kV, ISO 4037, Narrow Series, 60 kV to 300 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : PTB
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1007
Ionizing radiation
Personal dose equivalent/rate, penetrating , Protection ionization chamber / personal dosimeter : 0.05 mSv to 30 mSv
Relative expanded uncertainty 5 %
Calibration against a secondary standard on the surface of the slab phantom
Co-60, ISO 4037
Reference standard : Secondary standard ionization chamber
Source of traceability : BIPM
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1017
Ionizing radiation
Air kerma area product , Air kerma area product meter : 5.50E-3 Gy cm2 to 7.5 Gy cm2
Relative expanded uncertainty 1.3 %
Calibration against a secondary standard free in air
X-ray, 10 kV to 50 kV, IEC 61267, RQR series, 40 kV to 50 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : PTB
According to the IAEA TRS 457
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1026
Ionizing radiation
Air kerma/rate , Diagnostic ionisation chamber : 1.70E-4 Gy/s to 1.20E-3 Gy/s
Relative expanded uncertainty 1.1 %
Calibration against a secondary standard free in air
X-ray, 50 kV to 420 kV, IEC 61267, RQR series, 60 kV to 150 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : PTB
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1023
Ionizing radiation
Ambient dose equivalent/rate , Protection ionization chamber : 0.11 mSv/h to 3 mSv/h
Relative expanded uncertainty 0.8 %
Calibration against a secondary standard free in air
Co-60, ISO 4037
Reference standard : Secondary standard ionization chamber
Source of traceability : BIPM
Traceable to the H*(10) standard at the BIPM without conversion from air kerma
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1013
Ionizing radiation
Air kerma/rate , Protection ionization chamber : 0.11 mGy/h to 3 mGy/h
Relative expanded uncertainty 0.8 %
Calibration against a secondary standard free in air
Co-60, ISO 4037
Reference standard : Secondary standard ionization chamber
Source of traceability : BIPM
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1009
Ionizing radiation
Air kerma/rate , Diagnostic ionisation chamber : 1.70E-5 Gy/s to 1.00E-3 Gy/s
Relative expanded uncertainty 1 %
Calibration against a secondary standard free in air
X-ray, 10 kV to 50 kV, Mammography qualities
Reference standard : Secondary standard ionization chamber
Source of traceability : BIPM
Mammography qualities (anode material + x mm of filter material): (i) Mo + 0.03 Mo (IEC61267 RQR-M), 25 kV to 35 kV, and W + 0.066 Mo, 25 kV to 35 kV
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1019
Ionizing radiation
Personal dose equivalent/rate, penetrating , Protection ionization chamber / personal dosimeter : 0.05 mSv to 30 mSv
Relative expanded uncertainty 5 %
Calibration against a secondary standard on the surface of the slab phantom
Cs-137, ISO 4037
Reference standard : Secondary standard ionization chamber
Source of traceability : BIPM
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1016
Ionizing radiation
Air kerma/rate , Diagnostic ionisation chamber : 1.70E-5 Gy/s to 1.40E-4 Gy/s
Relative expanded uncertainty 1.1 %
Calibration against a secondary standard free in air
X-ray, 50 kV to 420 kV, IEC 61267, RQA series, 60 kV to 150 kV
Reference standard : Secondary standard ionization chamber
Source of traceability : PTB
Approved on 24 February 2016
Institute service identifier : EUR-RAD-IAEA-1021

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