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COMMONWEALTH OF PENNSYLVANIA

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25 Pa. Code § 250.705. Attainment requirements for groundwater in aquifers not used or currently planned to be used.

§ 250.705. Attainment requirements for groundwater in aquifers not used or currently planned to be used.

 In addition to sampling and statistical analyses that apply to attainment of the Statewide health standards for groundwater in this subchapter, attainment of the MSC for aquifers not used or currently planned to be used shall include the following:

   (1)  A scientifically valid and applicable fate and transport analysis, based on sufficient sampling and monitoring data to calibrate the model.

   (2)  Based on the fate and transport analysis in paragraph (1), a demonstration that the MSC for groundwater in an aquifer used or currently planned for use is not exceeded at and beyond all points on a radius of 1,000 feet, downgradient from the property boundary within a period of no more than 30 years.


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