1. Storm water pollution from urban land activity ; development of analytical procedures for predicting storm water pollution from urban areas by use of selectively defined urban characteristics. Avco Economic Systems Corporation [Washington] : Federal Water Quality Administration; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1970. Book Microform Physical ReCAP TD380 .W35
2. Cost to the consumer for collection and treatment of wastewater / by Robert Smith [and] Richard G. Eilers. Smith, Robert, 1921- [Washington] : [U.S. Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1970 [i.e. 1972] Book Microform Physical ReCAP TD380 .W35