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Related articles:
Sewage
Wastewater
By-product
Key terms: sludge kg land epa mg tank treatment sewage sludge soil processes treated digested reported biosolids removed present raw ban material lewis refer fresh class b industrial wastewater anaerobic practice basic toxic reuse heavy metals application reduce humans silver agriculture methane substances biological harrison bacteria domestic exposure correlated incineration treatment process precautionary complications treated sludge class a treated Search external links cited by footnotes on Wikipedia page Sludge: |
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