NORTHWEST REGIONAL OFFICE

(Location Map)
3190 - 160th Avenue SE
Bellevue, WA 98008-5452
Main Reception (425) 649-7000
FAX (425) 649-7098
For persons with a speech or hearing impairment call 711 for relay service or 800-833-6388 for TTY .

Peter Christiansen - Section Manager, (425) 649-7076 Vicki Colgan - Green Building Specialist, (425) 649-7224 Linda Harris- Section Secretary, (425) 649-7029 Krystyna Kowalik - Environmental Hydrogeologist, (425) 649-7051 Dawn Marie Maurer - Environmental Specialist, (425) 649-7192 Diana Wadley - Regional Solid Waste Planner and Grant Officer, (425) 649-7056 Taisa Welhasch - Regional Solid Waste Planner and Grant Officer, (425) 649-7266 Sally Safioles- Environmental Hydrogeologist (425) 649-7089 Marietta Sharp - Soil Scientist/Organics Specialist, (425) 649-7258 Madeline Wall - Environmental Engineer (425) 649-7015 Steven Williams - Regional Litter Administrator, (425) 649-7048

Areas of Contact (Alphabetically):

Anti-Litter Campaigns Steven Williams, (425) 649-7048
Ash Permits Madeline Wall, (425) 649-7015
Beneficial Use Marietta Sharp, (425) 649-7258
Biosolids Marietta Sharp, (425) 649-7258
Closure Design Review Madeline Wall, (425) 649-7015
Community Litter Cleanup Programs Steven Williams, (425) 649-7048
Construction/Demolition Recycling Vicki Colgan, (425) 649-7224
Coordinated Prevention Grants Taisa Welhasch, (425) 649-7266
Diana Wadley, (425) 649-7056
Composting Dawn Marie Maurer, (425) 649-7192
Corrective Action Krystyna Kowalik, (425) 649-7051
Sally Safioles, (425) 649-7089
Madeline Wall, (425) 649-7015
Drilling Regulations and Requirements Krystyna Kowalik, (425) 649-7051
Sally Safioles, (425) 649-7089
Environmental Education Diana Wadley, (425) 649-7056
Financial Assurance Madeline Wall, (425) 649-7015
Ecology Youth Corps Steven Williams, (425) 649-7048
Linda Harris, (425) 649-7029
General Program Information Linda Harris, (425) 649-7029
Green Building Vicki Colgan, (425) 649-7224
Ground Water Monitoring Networks Krystyna Kowalik, (425) 649-7051
Sally Safioles, (425) 649-7089
Household Hazardous Waste Taisa Welhasch, (425) 649-7266
Incinerators Madeline Wall, (425) 649-7015
Land Application Marietta Sharp, (425) 649-7258
Landfill Design Madeline Wall, (425) 649-7015
Litter Pickup and Prevention Steven Williams, (425) 649-7048
Linda Harris, (426) 649-7029
Local Government Outreach Peter Christiansen, (425) 649-7076
Moderate Risk Waste Taisa Welhasch, (425) 649-7266
Organic Residuals Management Marietta Sharp, (425) 649-7258
Dawn Marie Maurer, (425) 649-7192
Permit Application Review Dawn Marie Maurer, (425) 649-7192
Personnel Issues Peter Christiansen, (425) 649-7076
Program Planning / Policy Peter Christiansen, (425) 649-7076
Sampling and Analysis at Solid Waste Facilities Krystyna Kowalik, (425) 649-7051
Sally Safioles, (425) 649-7089
Septage/Sludge Marietta Sharp, (425) 649-7258
Soil Science - Nutrient Management Marietta Sharp, (425) 649-7258
Solid Waste Facilities Dawn Marie Maurer, (425) 649-7192
Solid Waste Management Planning Diana Wadley, (425) 649-7056
Taisa Welhasch, (425) 649-7266
Waste Reduction/Recycling Technical Assistance and Recycling Projects Diana Wadley, (425) 649-7266
Western Washington Recycling Coordinators Meetings Diana Wadley, (425) 649-7056


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