1.1 This test method covers the appraisal of asbestos fiber groups 4 to 7 in terms of their occupied volumes when immersed in water.

1.2 The values stated in SI units are to be regarded as standard. The values shown in parentheses are provided for information only.

1.3 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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. See Section 7.