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Significance and Use
5.1 Because soil is an integrator and a reservoir of long-lived radionuclides, and serves as an intermediary in several pathways of potential exposure to humans, knowledge of the concentration of 90Sr in soil is essential. A soil sampling and analysis program provides a direct means of determining the concentration and distribution of radionuclides in soil. A soil analysis program has the most significance for the preoperational monitoring program to establish baseline concentrations prior to the operation of a nuclear facility. Soil analysis, although useful in special cases involving unexpected releases, may not be able to assess small incremental releases.
1.1 This test method is applicable to the determination of 90Sr in soil at levels of detection dependent on count time, sample size, detector efficiency, background, and chemical yield.
1.2 This test method is designed for the analysis of 10 g of soil, previously collected and treated as described in Practices and . This test method may not be able to completely dissolve all soil matrices.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C859 Terminology Relating to Nuclear Materials
C998 Practice for Sampling Surface Soil for Radionuclides
C999 Practice for Soil Sample Preparation for the Determination of Radionuclides
D1193 Specification for Reagent Water
D7282 Practice for Set-up, Calibration, and Quality Control of Instruments Used for Radioactivity Measurements
ICS Number Code 13.080.05 (Examination of soil in general)
UNSPSC Code 11111501(Soil); 12142207(Radioisotope sources)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM C1507-20, Standard Test Method for Radiochemical Determination of Strontium-90 in Soil, ASTM International, West Conshohocken, PA, 2020, www.astm.orgBack to Top