Tests for Specific Radionuclides

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Neutron Activation Analysis

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RAD Analysis: Tests for Specific Radionuclides

Becquerel Laboratories is ISO 17025 accredited for many different techniques for precise, sensitive measurement of radioisotopes. Here is an outline of the standard detection limits for the procedures. Please contact us about your specific requirements.

Radionuclide	Method	Effluent Detection Limit Bq/L	Sediment Detection Limit Bq/g	Vegetation Detection Limit Bq/g	Tissue Detection Limit Bq/g
Tritium	LSC	100	*	*	*
Carbon-14	LSC	*	*	*	*
Polonium-210	Alpha	0.02	0.01	0.005	0.005
Radium-226	Alpha	0.02	0.01	0.005	0.005
Radium-224	Alpha	0.02
Thorium-228	Alpha	0.02	0.01	0.005	0.005
Thorium-230	Alpha	0.02	0.01	0.005	0.005
Thorium-232	Alpha	0.02	0.01	0.005	0.005
Uranium-234	Alpha	0.02	0.01	0.005	0.005
Uranium-235	Alpha	0.02	0.01	0.005	0.005
Uranium-238	Alpha	0.02	0.01	0.005	0.005
Strontium-90	GFPC	0.1	0.1	0.05	0.05
Lead-210	GFPC	0.1	0.1	0.01	0.01
Gross Alpha Count	GFPC	0.1	0.2	0.2	0.2
Gross Beta Count	GFPC	0.1	0.5	0.5	0.5
Uranium-238	NAA	0.005	0.005	0.002	0.002
Thorium-232	NAA	0.005	0.005	0.002	0.002
Uranium-235	DNC	0.002	0.002	0.001	0.001
Radium-228	Gamma	0.1	0.1	0.05	0.05
Cobalt-60	Gamma	1	0.02	0.02	0.02
Cesium-134	Gamma	1	0.02	0.02	0.02
Cesium-137	Gamma	1	0.02	0.02	0.02
Iodine-131	Gamma	1	0.02	0.02	0.02

* Indicates special requirements for sampling. Please contact the laboratory.

Lower detection limits and other radionuclides are available, please inquire.

Method Legend (From Above)

Method (From Above)	Description
LSC	Method BQ-RAD-LSC: Liquid Scintillation Counting
Alpha	Method BQ-RAD-Alpha: Alpha Spectrometry (after separation of isotope(s))
GFPC	Method BQ-RAD-GFPC: Gas Flow Proportional Counting
NAA	Method BQ-NAA-1: Neutron Activation Analysis
DNC	Method BQ-NAA-5: Delayed Neutron Counting
Gamma	Method BQ-RAD-Gamma: Gamma Spectrometry