1.1 This guide covers methods for field preservation of ground-water samples. Laboratory preservation methods are not described in this guide.
1.2 This standard may involve hazardous materials, opera-tions, and equipment. 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 deter-mine the applicability ofregulatory limitations prior to use.
