1. a) A person must not cause or allow:

   1. 1) Disposal or storage in the waste pile of liquids or materials containing free liquids; or
   2. 2) Migration and runoff of leachate into adjacent soil, surface water, or groundwater.

2. b) A waste pile must comply with the following standards:

   1. 1) The waste pile must be under an impermeable membrane or cover that provides protection from precipitation;
   2. 2) The waste pile must be protected from surface water run-on; and
   3. 3) The waste pile must be designed and operated to control wind dispersal of waste by a means other than wetting.

(Source: Amended at 47 Ill. Reg. 7631, effective May 16, 2023)