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Policy Memorandums
Clicking a hot link below will take you directly to the policy memorandum with specific information explaining the process to become a producer/supplier for the material listed in the title.
Laboratory/Field Test Procedures
There are currently no laboratory or field test procedures on the internet. Illinois Modified AASHTO T 267, T 288, T 289, T 290, and T 291 have been incorporated into the December 1, 2017, Manual of Test Procedures for Materials