AASHTO T21

Standards We Are Accredited For

AASHTO T21 – Standard Method of Test for Organic Impurities in Fine Aggregates for Concrete

Scope

This test method covers two procedures for an approximate determination of the presence of injurious organic compounds in fine aggregates that are to be used in hydraulic cement mortar or concrete. One procedure uses a glass color standard and the other uses a standard color solution.

Keywords

concrete; fine aggregates; organic impurities

AASHTO T21 Accredited Laboratory

Applied Testing & Geosciences, LLC is accredited for performing tests using the AASHTO T21 standard. Contact us for more information.

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