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U.S. Department of Energy
Office of Scientific and Technical Information

Landfilling of sewage sludge: technical support document

Technical Report ·
OSTI ID:5907848
This document provides the technical background and justification for the U.S. Environmental Protection Agency's (EPA's) proposed regulation (40 CFR Part 503) covering the disposal of municipal sewage sludge in sludge-only landfills (monofills). The document summarizes current practices at monofills and presents the risk-assessment methodology used to derive human health and environmental risk-based limits for contaminants in monofilled sewage sludge. The underlying assumptions of the risk-assessment methodology, embodied in a series of computer models, are discussed, the values assigned to the model parameters are presented and justified, and the risk-based contaminant limits derived by the models are presented. The various siting limitations and management practices mandated by the regulation are discussed and justified.
Research Organization:
Environmental Protection Agency, Washington, DC (USA). Office of Water Regulations and Standards
OSTI ID:
5907848
Report Number(s):
PB-89-136584/XAB
Country of Publication:
United States
Language:
English