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IDOT conducts specialized testing for Alkali-Silica Reactivity (ASR) ASTM C 1293, but also approves external laboratories to perform the test on its behalf.
If you would like to become an approved lab please contact the department for additional instructions.
Melinda Winkelman
(217) 782-0117
Melinda.Winkelman@illinois.gov
Concrete Lab Supervisor
Bureau of Materials
Office of Highways Project Implementation