ASTM-D7283 2006

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D7283-06 Standard Test Method for Alpha- And Beta- Activity in Water By Liquid Scintillation Counting

Published By	Publication Date	Number of Pages
ASTM	2006	10

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Category: ASTM

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Description

1.1 This test method covers the measurement of gross alpha- and beta- activity concentrations in a homogeneous water sample. It is applicable to alpha emitters with activity concentration levels above 0.037 Bq/L (1 pCi/L) and beta emitters with activity concentration levels above 0.15 Bq/L (4 pCi/L). This test method is not applicable to samples containing radionuclides that are volatile under conditions of the analysis.

1.2 This test method may also be used for the direct measurement of gross alpha- and beta- activity concentrations in homogeneous water samples with alpha emitter activity concentration levels above 1.8 Bq/L (50 pCi/L) and beta emitter activity concentration levels above 3.7 Bq/L (100 pCi/L).

1.3 This test method was tested using a single-operator test. Round-robin testing is currently in progress on this test method.

1.4 Standard methods under the jurisdiction of ASTM Committee D19 may be published for a limited time preliminary to the completion of full collaborative study validation. Such standards are deemed to have met all other D19 qualifying requirements but have not completed the required validation studies to fully characterize the performance of the Test Method across multiple laboratories and matrices. Preliminary publication is done to make current technology accessible to users of standards, and to solicit additional input from the user community.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method Significance and Use Interferences
3	Apparatus Reagents and Materials
4	Sampling Calibration and Standardization
5	Procedure
6	Calculation
8	Quality Control
10	Precision and Bias Keywords X1. RESOURCES X1.1

Additional information

Standard Title	D7283-06 Standard Test Method for Alpha- And Beta- Activity in Water By Liquid Scintillation Counting
Published Code	ASTM
Publication Date	2006
Pages Count	10

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ASTM-D7283 2006

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