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Butler County Air Permits

Title V Operating Permits

AK Steel–Butler Works, Butler Township

Alcoa Commercial Windows (Kawneer Traco), Cranberry Township

Armstrong Cement and Supply, Winfield Township

BNZ Materials, Zelienople Borough

Calumet Penreco, Karns City Borough

Mercer Lime–Branchton Plant, Slippery Rock Township

Seneca Landfill, Jackson Township

Slippery Rock University, Slippery Rock Borough

Sonneborn–Petrolia Plant, Petrolia Borough

Waste Management–Northwest Sanitary Landfill, Clay Township

Synthetic Minor Operating Permits

Butler Color Press, Butler City

C.U.E., Cranberry Township

Eagle Printing, Butler City

IDL Worldwide–Cloverleaf Group, East Butler Borough

Iron Mountain Information Management–Boyers, Cherry Township

Lindy Paving–Zelienople, Jackson Township

MarkWest Liberty Bluestone, Jackson Township

Minteq International, Slippery Rock Township

Oesterling’s Sandblasting and Painting, Center Township

Penn United Technologies, Inc.–Carbide Group, Jefferson Township

Purvis Brothers–Mars Facility, Adams Township

Weist Asphalt Products and Paving, Summit Township

Wismarq–Valencia, Middlesex Township

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