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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] = [a² + b²]^1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)

Chinese Taipei, NRSL/INER (Institute of Nuclear Energy Research)

Ionizing radiation

Activity per unit mass , Single nuclide, liquid : 1.00E5 Bq/g to 2.50E7 Bq/g

Relative expanded uncertainty 0.8 %

4πe(X)-γ coincidence counting system, balance

Y-88, 2 g solution

Reference standard : 4πe(X)-γ direct measurement, set of standard weights

Source of traceability : INER

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2015

KCDB ID : APMP-RI-TW-00000GOT-1

Ionizing radiation

Activity per unit mass , Single nuclide, liquid : 1.00E5 Bq/g to 2.50E7 Bq/g

Relative expanded uncertainty 0.9 %

4πβ-γ coincidence counting system, balance

Ir-192, 2 g solution

Reference standard : 4πβ-γ direct measurement, set of standard weights

Source of traceability : INER

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2013

KCDB ID : APMP-RI-TW-00000GOR-1

Ionizing radiation

Activity , Single nuclide, liquid : 3.67E5 Bq to 7.33E8 Bq

Relative expanded uncertainty 2.1 %

High pressure well type ionization chamber, electrometer

Mo-99, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : NPL

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2051

KCDB ID : APMP-RI-TW-00000GP5-1

Ionizing radiation

Activity , Single nuclide, liquid : 2.33E5 Bq to 4.67E8 Bq

Relative expanded uncertainty 1 %

High pressure well type ionization chamber, electrometer

Au-198, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : NPL

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2017

KCDB ID : APMP-RI-TW-00000GOV-1

Ionizing radiation

Activity , Single nuclide, liquid : 3.92E4 Bq to 7.83E7 Bq

Relative expanded uncertainty 1.5 %

High pressure well type ionization chamber, electrometer

Br-82, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : NPL

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2021

KCDB ID : APMP-RI-TW-00000GOZ-1

Ionizing radiation

Activity , Single nuclide, liquid : 1.26E5 Bq to 2.51E8 Bq

Relative expanded uncertainty 1.2 %

High pressure well type ionization chamber, electrometer

K-42, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : NPL

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2048

KCDB ID : APMP-RI-TW-00000GP2-1

Ionizing radiation

Activity , Single nuclide, liquid : 6.60E4 Bq to 1.32E8 Bq

Relative expanded uncertainty 1 %

High pressure well type ionization chamber, electrometer

Mn-56, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : NPL

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2050

KCDB ID : APMP-RI-TW-00000GP4-1

Ionizing radiation

Emission rate , Single nuclide, extended area source : 200 s^-1 to 1.00E4 s^-1

Relative expanded uncertainty 3 %

2π windowless proportional counter

Co-60, electroplate, active area between 20 cm² and 240 cm²

Reference standard : 2π proportional counter

Source of traceability : INER

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2078

KCDB ID : APMP-RI-TW-00000GOL-1

Ionizing radiation

Kerma/rate , Ionization chamber : 2.67E-4 Gy/s to 4.27E-3 Gy/s

Relative expanded uncertainty 1 %

Irradiation in a calibrated field in air

Co-60, 60 TBq (2004), ISO-4037-1

Reference standard : Primary standard ionization chamber

Source of traceability : INER

Approved on 03 October 2006

Institute service identifier : APM-RAD-INER-1001

KCDB ID : APMP-RI-TW-00000GOM-1

Ionizing radiation

Activity , Single nuclide, liquid : 1.44E6 Bq to 2.89E9 Bq

Relative expanded uncertainty 2.1 %

High pressure well type ionization chamber, electrometer

Hg-197, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : NPL

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2039

KCDB ID : APMP-RI-TW-00000GQM-1

Ionizing radiation

Activity , Single nuclide, liquid : 2.12E6 Bq to 4.24E9 Bq

Relative expanded uncertainty 4 %

High pressure well type ionization chamber, electrometer

I-125, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : INER

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2043

KCDB ID : APMP-RI-TW-00000GQQ-1

Ionizing radiation

Activity , Single nuclide, liquid : 3.06E5 Bq to 6.11E8 Bq

Relative expanded uncertainty 1.5 %

High pressure well type ionization chamber, electrometer

Yb-169, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : NPL

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2072

KCDB ID : APMP-RI-TW-00000GOF-1

Ionizing radiation

Emission rate , Single nuclide, extended area source : 200 s^-1 to 1.00E4 s^-1

Relative expanded uncertainty 3 %

2π windowless proportional counter

C-14, electroplate, active area between 20 cm² and 240 cm²

Reference standard : 2π proportional counter

Source of traceability : INER

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2075

KCDB ID : APMP-RI-TW-00000GOI-1

Ionizing radiation

Activity per unit mass , Single nuclide, liquid : 1.00E5 Bq/g to 2.00E6 Bq/g

Relative expanded uncertainty 0.8 %

4πα-γ coincidence counting system, balance

Am-241, 2 g solution

Reference standard : 4πα-γ direct measurement, set of standard weights

Source of traceability : INER

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2001

KCDB ID : APMP-RI-TW-00000GPK-1

Ionizing radiation

Activity , Single nuclide, liquid : 1.28E6 Bq to 2.56E9 Bq

Relative expanded uncertainty 2.1 %

High pressure well type ionization chamber, electrometer

Ce-141, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : NPL

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2025

KCDB ID : APMP-RI-TW-00000GPW-1

Ionizing radiation

Activity , Single nuclide, liquid : 5.83E5 Bq to 1.17E9 Bq

Relative expanded uncertainty 1.2 %

High pressure well type ionization chamber, electrometer

Ce-139, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : INER

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2024

KCDB ID : APMP-RI-TW-00000GPV-1

Ionizing radiation

Activity , Single nuclide, liquid : 4.49E4 Bq to 8.98E7 Bq

Relative expanded uncertainty 0.8 %

High pressure well type ionization chamber, electrometer

Co-60, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : INER

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2029

KCDB ID : APMP-RI-TW-00000GQ0-1

Ionizing radiation

Activity , Single nuclide, liquid : 9.33E4 Bq to 1.87E8 Bq

Relative expanded uncertainty 1.4 %

High pressure well type ionization chamber, electrometer

Fe-59, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : INER

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2036

KCDB ID : APMP-RI-TW-00000GQJ-1

Ionizing radiation

Activity , Single nuclide, liquid : 1.10E6 Bq to 2.20E9 Bq

Relative expanded uncertainty 1 %

High pressure well type ionization chamber, electrometer

Rb-86, 3 mL solution in NRSL standard 5 mL glass ampoule

Reference standard : High pressure well type ionization chamber

Source of traceability : NPL

Approved on 14 February 2005

Institute service identifier : APM-RAD-INER-2056

KCDB ID : APMP-RI-TW-00000GPA-1

Ionizing radiation

Ambient dose equivalent rate , Neutron survey meter : 2.70E-6 Sv/h to 1.10E-5 Sv/h

Relative expanded uncertainty 5 %

Calibration with a calibrated neutron source

Am-241/Be-9 source, Am-241/Be-9 source, ISO 8529-1, 3

Reference standard : Calibrated Am-Be source

Source of traceability : NPL

Approved on 03 October 2006

Institute service identifier : APM-RAD-INER-3003

KCDB ID : APMP-RI-TW-00000GPI-1

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