Sludge in the Nineties

by Dan Morse, Assistant Editor; Civil Engineering Magazine, ASCE World Headquarters, 345 East 47th Street, New York City, NY.,

Serial Information: Civil Engineering—ASCE, 1989, Vol. 59, Issue 8, Pg. 47-50

Document Type: Feature article


Strict new regulations proposed for sludge disposal have toughened the challenge ahead for engineers. The regulations are the first to ever address sludge disposal in a comprehensive, national fashion. Some 5,300 wastewater treatment municipalities will be regulated. According to these municipalities, EPA made too many conservative assumptions and used only a limited set of data when it calculated safe levels of the 27 sludge contaminants it chose to regulate. There are six major disposal options for sludge: ocean dumping, municipal landfills, land application, monofills, incineration, and distribution and marketing. Two of these options, ocean dumping and municipal landfills, are not addressed in the new regulations.

Subject Headings: Sludge | Local government | Laws and regulations | Ocean engineering | Municipal wastewater | Landfills | Wastewater treatment

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