Butler County Air Permits

Title V Operating Permits

AK Steel–Butler Works and Review Memo — Butler Township
Alcoa Commercial Windows (Kawneer Traco) and Review Memo — Cranberry Township
Armstrong Cement and Supply and Review Memo — Winfield Township
BNZ Materials and Review Memo — Zelienople Borough
Calumet Penreco and Review Memo — Karns City Borough
Mercer Lime–Branchton Plant and Review Memo — Slippery Rock Township
Seneca Landfill and Review Memo — Jackson Township
Slippery Rock University and Review Memo — Slippery Rock Borough
Sonneborn–Petrolia Plant and Review Memo — Petrolia Borough
Waste Management–Northwest Sanitary Landfill and Review Memo — Clay Township

Synthetic Minor Operating Permits

Butler Color Press and Review Memo — Butler City
C.U.E. and Review Memo — Cranberry Township
Eagle Printing and Review Memo — Butler City
IDL Worldwide–Cloverleaf Group and Review Memo — East Butler Borough
Iron Mountain Information Management–Boyers and Review Memo — Cherry Township
Lindy Paving–Zelienople and Review Memo — Jackson Township
MarkWest Liberty Bluestone and Review Memo — Jackson Township
Minteq International and Review Memo — Slippery Rock Township
Oesterling’s Sandblasting and Painting and Review Memo — Center Township
Penn United Technologies, Inc.–Carbide Group and Review Memo — Jefferson Township
Purvis Brothers–Mars Facility and Review Memo — Adams Township
Weist Ashpalt Products and Paving and Review Memo — Summit Township
Wismarq–Valencia and Review Memo — Middlesex Township