Protecting Oregon's Environment
Oregon State Seal
 Oregon Department of Environmental Quality

Laboratory and Environmental Assessment

Air Quality Index 
Air Quality Monitoring
Analytical Methods
LASAR Database
Guidance and Quality Assurance
Technical Reports
Volunteer Monitoring
Water Quality Index
Water Quality Monitoring

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Oregon Department of Environmental Quality
Headquarters: 811 SW Sixth Ave., Portland, OR 97204-1390
Phone: 503-229-5696 or toll free in Oregon 1-800-452-4011
Oregon Telecommunications Relay Service: 1-800-735-2900  FAX: 503-229-6124

The Oregon Department of Environmental Quality is a regulatory agency authorized to protect Oregon's environment by
the State of Oregon and the Environmental Protection Agency.

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