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Biosolids Quality in Pennsylvania

Treatment of municipal wastewater produces sewage sludge, a dilute suspension of solids in water. Sewage sludge contains significant amounts of essential plant nutrients and organic matter that can benefit crop production.

Research Paper

  • Stehouwer, R.C., A.M. Wolf, and W. Dotty. 2000. Chemical monitoring of sewage sludge in Pennsylvania: Variability and application uncertainty. J. Environ. Qual. 29:1686-1695.

Extension Paper