Region 10 Contacts
Biosolids Coordinator
Dick Hetherington
USEPA Region 10
NPDES Permits Unit (OW-130)
1200 Sixth Avenue
Seattle, WA 98101
Tel: 206-553-1941
Fax: 206-553-1280
hetherington.dick@epa.gov
Michael Lee
Tel: 206-553-1099
Fax: 206-553-0165
lee.michael@epa.gov
Cindy Phung - 503 Annual Reports
Tel: 206-553-1230
Fax: 206-553-1280
phung.cindy@epa.gov
Pretreatment Coordinator
Sharon Wilson
U.S. EPA - Region 10
NPDES Permits Unit (OW-130)
1200 Sixth Avenue
Seattle, WA 98101-1128
Tel: 206-553-0325
Fax: 206-553-0165/553-1280
wilson.sharon@epa.gov