AASHTO T 21 / ASTM C 40


Organic Impurities in Fine Aggregates for Concrete

This test uses a standard color solution or a glass color standard to determine the presence of injurious organic compounds in fine aggregate that are to be used in hydraulic cement mortar or concrete.

Equipment List

  • This item should be listed on the laboratory inventory list.
  • This item should be listed on the laboratory inventory list.
  • This item should be listed on the laboratory inventory list.
  • This item should be listed on the laboratory inventory list.