Emission Reduction Credit Files
Effective January 10, 2019, inquiries and correspondence regarding new permit applications, reporting, and compliance matters related to sites in Armstrong and Indiana Counties should be directed to DEP’s
Northwest Regional Office. Questions on permit applications under review as of January 9, 2019, and pending enforcement matters for Armstrong and Indiana Counties should be directed to DEP’s
Southwest Regional Office. Inquiries can also be directed to
Mining and Radiation Protection permits and programs are not affected by this regional office change.
Note: Applications are to be submitted to the DEP
Regional office serving you. Contact the
Philadelphia air programs for permits in those counties.
Emission Reduction Credit Registry System
Businesses interested in buying or selling emission reduction credits can now get help through the DEP's ERC registry system. (PDF)
Reciprocity Agreement Between Pennsylvania and Maryland (PDF)(1/02)
Reciprocity Agreement Between Pennsylvania and New York (PDF)(6/96)