Environmental pollution control alternatives : municipal wastewater. - Ohio : U.S. Environmental Protection Agency ; - 79p. : chart, ill.; 22 cm.

EPA-625/5-76-012

Subjects--Topical Terms:
Water --Pollution --United States.
Sewage--Purification --United States--Health aspects
Water --Pollution.

Dewey Class. No.: US 363.7284 / Un 31(EPA-625/5-76-012)