AASHTO T 21M/T 21-15
- Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete (ASTM C 40-04) - Includes 2016 Errata
- standard by American Association of State and Highway Transportation Officials, 2015
- 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.
Includes 2016 Errata - In Section 9.2, the "750-mL" and "21/2 h" values are incorrect. The correct values are "75-mL" and "2h" are shown.
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