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IRRC Approves New Regulations for Act 2 Cleanup Standards

Posted October 12, 2021 By PER Marketing

On September 23, 2021, the Pennsylvania Independent Regulatory Review Commission (IRRC) approved an update to the Pennsylvania Department of Environmental Protection’s (PADEP) regulations for the Land Recycling and Environmental Remediation Standards Act (Act 2).

This revision includes the following new groundwater and soil medium-specific concentrations (MSCs) for three per- and polyfluoroalkyl substances (PFAS) – Perfluorooctanoic Acid (PFOA), Perfluorooctane Sulfonate (PFOS), and Perfluorobutane Sulfonate (PFBS):

Substance Soil Groundwater
PFOA 4.4 mg/kg (residential)

64 mg/kg (non-residential)

0.07 ug/L
PFOS 4.4 mg/kg (residential)

64 mg/kg (non-residential)

0.07 ug/L
PFBS 66 mg/kg (residential)

960 mg/kg (non-residential)

10 ug/L (residential)

29 ug/L (non-residential)

Following IRRC approval, the Office of Attorney General (OAG) will review the updated Act 2 guidelines for cleanup standards and then, if approved by OAG, will be submitted to the Legislative Reference Bureau for publication in the Pennsylvania Bulletin.  The new Act 2 procedures will become effective upon publication.

More on the rulemaking can be found here.

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