Instructions for Completing the Industrial Wastewater ...

Compacted Clay Liner (C): The soil liner shall contain at least 3 feet, along the sides and bottom, of clay-rich soil material having more than 30% passing a 200-mesh sieve, liquid limit equal to or greater than 30, and a plasticity index equal to or greater than 15, compacted in lifts of no more than 8 inches, to 95% standard proctor density ... ................
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