Cincinnati, Ohio : U.S. Environmental Protection Agency, Office of Research and Development, Center for Environmental Research Information ; Washington, D.C. : Office of Water, Office of Wastewater Enforcement and Compliance, [1992]
Physical Details
ix, 110 pages : illustrations ; 28 cm
OCLC
ocm35987269
Cover title.
"September 1992."
"EPA/625/R-92/005."
Includes bibliographical references.
Microfiche. Springfield, VA : National Technical Information Service 2 microfiche ; 11 x 15 cm.