§ 290.407. Storage piles—leachate and runoff control.

 (a)  A person that installs a storage pad or liner system shall collect leachate and runoff from the coal ash pile and divert it into a leachate storage or treatment system.

 (b)  A leachate storage system must consist of a collection tank or surface impoundment. The tank or impoundment must be:

   (1)  Sized for the anticipated leachate and runoff flow, including a 30-day reserve capacity.

   (2)  Chemically compatible with the leachate.

   (3)  Of sufficient strength to withstand expected loads.

   (4)  Equipped with cleanouts, if necessary.

   (5)  Sealed to prevent the loss of leachate and runoff.

 (c)  Collected leachate shall be treated or disposed in a manner that complies with the act, The Clean Streams Law (35 P. S. § §  691.1—691.1001), and the regulations promulgated thereunder.

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