Sites in Washington
- American Crossarm & Conduit Co.: Chehalis, WA
- American Lake Gardens/mcchord Afb: Tacoma, WA
- Bangor Naval Submarine Base: Silverdale, WA
- Bangor Ordnance Disposal (usnavy): Bremerton, WA
- Boomsnub/airco: Vancouver, WA
- Bremerton Gasworks: Bremerton, WA
- Centralia Municipal Landfill: Centralia, WA
- Colbert Landfill: Spokane, WA
- Commencement Bay, Near Shore/tide Flats: Tacoma, WA
- Commencement Bay, South Tacoma Channel: Tacoma, WA
- Fairchild Air Force Base (4 Waste Areas): Spokane, WA
- Fmc Corp. (yakima): Yakima, WA
- Fort Lewis Logistics Center: Tillicum, WA
- Frontier Hard Chrome, Inc.: Vancouver, WA
- General Electric Co. (spokane Apparatus Service Shop): Spokane, WA
- Greenacres Landfill: Spokane County, WA
- Hamilton/labree Roads Gw Contamination: Chehalis, WA
- Hanford 100-area (usdoe): Benton County, WA
- Hanford 200-area (usdoe): Benton County, WA
- Hanford 300-area (usdoe): Benton County, WA
- Harbor Island (lead): Seattle, WA
- Hidden Valley Landfill (thun Field): Pierce County, WA
- Jackson Park Housing Complex (usnavy): Kitsap County, WA
- Kaiser Aluminum (mead Works): Mead, WA
- Lakewood: Lakewood, WA
- Lockheed West Seattle: Seattle, WA
- Lower Duwamish Waterway: Seattle, WA
- Mica Landfill: Mica, WA
- Midnite Mine: Wellpinit, WA
- Midway Landfill: Kent, WA
- Moses Lake Wellfield Contamination: Moses Lake, WA
- Naval Air Station, Whidbey Island (ault Field): Whidbey Island, WA
- Naval Undersea Warfare Engineering Station (4 Waste Areas): Keyport, WA
- North Market Street: Spokane, WA
- Northside Landfill: Spokane, WA
- Oeser Co.: Bellingham, WA
- Old Navy Dump/manchester Laboratory (usepa/noaa): Manchester, WA
- Pacific Car & Foundry Co.: Renton, WA
- Pacific Sound Resources: Seattle, WA
- Palermo Well Field Ground Water Contamination: Tumwater, WA
- Pasco Sanitary Landfill: Pasco, WA
- Puget Sound Naval Shipyard Complex: Bremerton, WA
- Queen City Farms: Maple Valley, WA
- Quendall Terminal: Renton, WA
- Seattle Municipal Landfill (kent Highlands): Kent, WA
- Vancouver Water Station #1 Contamination: Vancouver, WA
- Vancouver Water Station #4 Contamination: Vancouver, WA
- Western Processing Co., Inc.: Kent, WA
- Wyckoff Co./eagle Harbor: Bainbridge Island, WA