OMRI - Organic Material Review Institute
https://www.omri.org/
OSU gardening publications are available through OSU Extension and Experiment Station Communications at:
http://extension.oregonstate.edu/
Search for "Gardening Information"
Oregon Tilth
470 Lancaster Drive, NE Salem, OR 97303
503-378-0690
www.tilth.org
e-mail: organic@tilth.org
Metro Recycling Information
600 NE Grand Ave. Portland, OR 97232
503-234-3000
www.oregonmetro.gov/garden
Call for information inside the Portland metropolitan area:
Oregon Department of Environmental Quality
811 SW Sixth Ave. Portland, OR 97204
800-732-9253
www.oregon.gov/deq
Northwest Coalition for Alternatives to Pesticides
PO Box 1393, Eugene, OR 97440
541-344-5044
www.pesticide.org
e-mail: info@pesticide.org
Washington Toxics Coalition
4649 Sunnyside Ave. N
Suite 540 East, Seattle, WA 98103
206-632-1545
www.watoxics.org
e-mail: info@watoxics.org
Bio-Integral Resource Center
PO Box 7414, Berkeley, CA 94707
510-524-2567
www.birc.org
e-mail: birc@igc.org
Soil and Water Conservation Society
in cooperation with USDA Natural Resources Conservation Service, 2000
www.swcs.org