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Description / Abstract:
The purpose of this standard is to identify the presence of
harmful clays of the smectite group (poor minus 75-μm material) and
to provide an indication of the surface activity of the
aggregate.
This standard may involve hazardous materials, operations,
and equipment. This standard does not purport to address all of the
safety concerns associated with its use. It is the responsibility
of the user of this procedure to establish appropriate safety and
health practices and to determine the applicability of regulatory
limitations prior to use.