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ASTM C142-97(2004)

ASTM C142-97(2004)

Standard Test Method for Clay Lumps and Friable Particles in Aggregates

2010-12-31 /Historical
Superseeded by:
Significance and Use:

This test method is of primary significance in determining the acceptability of aggregate with respect to the requirements of Specification C 33.


1.1 This test method covers the approximate determination of clay lumps and friable particles in aggregates.

1.2 The values given in SI units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.

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 and health practices and determine the applicability of regulatory limitations prior to use.

aggregates; clay lumps; friable particles
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