Design manual : onsite wastewater treatment and disposal systems /
Design manual : onsite wastewater treatment and disposal systems /
U.S. Environmental Protecton Agency.
- Washington, D.C. : U.S. Environmental Protection Agency, 1980.
- xvii, 391 p. : ill. ; 28 cm.
EPA/625/1-80/012 October, 1980.
Sewage disposal plants.
363.7284
EPA/625/1-80/012 October, 1980.
Sewage disposal plants.
363.7284