AASHTO T 21-05 (2009)
- Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete (ASTM C 40-04)
- standard by American Association of State and Highway Transportation Officials, 2005
- Publisher: AASHTO
$21.00$42.00
This method agrees with ASTM C 40-04, except for shifting of text between Sections 5.2 and 9.2.
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