Standard Historical Last Updated: Feb 18, 2021 Track Document
ASTM D4107-98

Standard Test Method for Tritium in Drinking Water

Standard Test Method for Tritium in Drinking Water D4107-98 ASTM|D4107-98|en-US Standard Test Method for Tritium in Drinking Water Standard new BOS Vol. 11.02 Committee D19
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1.1 This test method covers the determination of tritium in drinking water (as T2O or HTO) by liquid scintillation counting of the tritium beta particle activity.

1.2 This test method was used successfully with drinking water. It is the user's responsibility to ensure the validity of this test method for waters of untested matrices.

1.3 The tritium concentrations which can be measured by this test method utilizing currently available liquid scintillation instruments, range from less than 0.037 Bq/mL (1 pCi/mL) to 555 Bq/mL (15000 pCi/mL) for a 10-mL sample aliquot. Higher tritium concentrations can be measured by diluting or using smaller sample aliquots, or both.

1.4 The maximum contaminant level for tritium in drinking water as given by the National Interim Primary Drinking Water Regulations (NIPDWR) is 0.740 Bq/mL (20000 pCi/L). The NIPDWR lists a required detection limit for tritium in drinking water of 0.037 Bq/mL (1 pCi/mL), meaning that drinking water supplies, where required, should be monitored for tritium at a sensitivity of 0.037 Bq/mL (1 pCi/mL). In Appendix X1, Eq X1.2 is given for determining the necessary counting time to meet the required sensitivity for drinking water monitoring.

1.5 This standard does not purport to address all of the safety problems, 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.

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Book of Standards Volume: 11.02
Developed by Subcommittee: D19.04
Pages: 4
DOI: 10.1520/D4107-98