25 Pa. Code § 264a.251 - Design and operating requirements
In addition to the requirements incorporated by reference:
(1) For a waste pile subject to the design and operating requirements of 40 CFR 264.251(a) or (c) (relating to design and operating requirements), a minimum distance of 20 inches between the bottom of the liner and seasonal high groundwater table shall be maintained without the use of artificial and manmade groundwater drainage or dewatering systems. Soil mottling may indicate the presence of a seasonal high groundwater table.
(2)
40 CFR 264.251(c)(5) (relating to leak detection systems not located completely above the seasonal high water table) is not incorporated by reference.
Notes
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