Pennsylvania Code
Title 25 - ENVIRONMENTAL PROTECTION
Part I - Department of Environmental Protection
Subpart D - Environmental Health and Safety
Article VII - Hazardous Waste Management
Chapter 269a - SITING
Subchapter A - SITING HAZARDOUS WASTE TREATMENT AND DISPOSAL FACILITIES
PHASE II CRITERIA
Section 269a.43 - Soils

(a) pH. Land farming facilities located so the soil pH within the proposed facility is 6.0 or greater shall be deemed to be acceptable. If the proposed facility cannot meet the soil pH requirements of this subsection, the applicant shall provide information and analysis to allow the Department to assess the ability of the proposed facility to mitigate adverse environmental effects resulting from incompatible soil pH.

(b) Cation exchange capacity. Surface impoundment, landfill and land treatment facilities located so that the capacity of the soil to exchange cations expressed as a sum for all exchangeable cations is 15 milliequivalents per 100 grams of soil or greater shall be deemed to be acceptable. If the cation exchange capacity is less than 15, the applicant shall provide information and analyses to allow the Department to assess the soil cation exchange capacity in relation to the potential for migration of contaminants from the proposed facility.