RMPs in Westmoreland County, Pennsylvania

| 1 | 2 |

• Allegheny Ludlum Corporation Brackenridge Facility
• Allegheny Ludlum Corporation Vandergrift Facility
• Allegheny Ludlum Corporation Vandergrift Facility
• Allegheny Ludlum Corporation West Leechburg
• Allegheny Ludlum Corporation West Leechburg
• Bestoflex, Inc.
• Chestnut Ridge Foam, Inc.
• George Sweeney Water Treatment Plant
• Greater Greensburg Wastewater Treatment Plant
• Greensburg Propane
• H. Burns Smith Water Treatment Plant
• Latrobe Brewing Company, LLC
• Lone Maple Agricultural Services
• Mill Service, Inc.
• Mun. Sanitary Auth. of the City of New Kensington
• Norvelt Business Plaza
• Norvelt Business Plaza
• Ranbar Electrical Materials, Inc.
• Sony Technology Center-Pittsburgh
• Sony Technology Center-Pittsburgh