Region 10: Washington
State Contacts
Biosolids Coordinators
Daniel Thompson
Technical Services Unit Supervisor
Washington State Department of Ecology
Solid Waste & Financial Assistance Program
P.O. Box 47600
Olympia, WA 98404-7600
Tel: 360-407-6107
Fax: 360-407-7157
dtho461@ecy.wa.gov
Peter Severtson
Regional Biosolids Program Coordinator
Department of Ecology
15 West Yakima Avenue, Suite 200
Yakima, WA 98902-3401
Tel: 509-575-2605
Fax: 509-575-2809
pser461@ecy.wa.gov
Marietta Sharp
Department of Ecology
Solid Waste and Financial Assistance Program
Northwest Regional Office
3190 160th Avenue, S.E.
Bellevue, WA 98008
TEL: (425) 649-7258
FAX: (425) 649-7259
mars461@ecy.wa.gov
Pretreatment Coordinator
David J. Knight
Pretreatment Coordinator
Washington Department of Ecology
Southwest Regional Office
P. O. Box 47775
Olympia, WA 98504-7775
Tel: 360-407-6277
Fax: 360-407-6305
dakn461@ecy.wa.gov