Guided by the Northwest Biosolids Management Association, a once-scorned material has become an integral part of agricultural and silvicultural systems.
CURRENTLY, over 90 percent of the biosolids in Washington State and Oregon are recycled. Recent legislation enacted in the state recognizes biosolids as a valuable commodity, and Washington is seeking delegation of authority to administer the EPA's 40 CFR Part 503 rule. The Northwest Biosolids Management Association (NBMA), through its commitment to providing member organizations with technically sound information about biosolids recycling, is helping to facilitate this major paradigm shift.
Formed in 1987 by 14 …
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