ASTM D3975-93(2019)

1.1 This practice establishes uniform general procedures for the development (preparation) and use of samples in the collaborative testing of methods for chemical analysis of sediments and similar materials.

1.2 The principles of this practice are applicable to aqueous samples with suitable technical modifications.

1.3 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.

1.4 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.