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Septic System Waste Treatment in Soil EB1475   This bulletin provides basic scientific background on the role of soils in wastewater treatment. This information relates to the principles behind Washington's rules and guidelines on issuing permits for and designing on-site wastewater treatment (septic) systems. Subtopics include: chemical properties of soil surfaces, soil microorganisms and soil environment, chemical components of wastewater, microorganisms in wastewater, and practical considerations. Publisher: Washington State University Published: March 1995.   Revised: May 1995.   In Stock         Purchase: Free Download: Price: $1.00  See also...    Suburban Goose Management: Searching for Balance More Info Our Price: $12.00  Roots, Shoots, Buckets & Boots More Info Our Price: $13.95  Berries for the Inland Northwest More Info Our Price: $6.00

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