1.1 To determine the efficiency with which asbestos fibers increase the consistency when mixed into a liquid asphaltic vehicle, relative to fibers chosen as standard.

1.2 This test method is applicable to Quebec Standard Group 7 asbestos fibers as determined by Test Method D3639.

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

1.4 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.