TY - BOOK CN - HE 20.7021/10: CY - [Atlanta, Ga.?] : DA - [1983?] ID - 159204 KW - Environmental protection KW - Environmentally induced diseases KW - Water resources development KW - Sewage KW - Radioactivity N1 - Cover title. N1 - Distributed to depository libraries in microfiche. PB - Center for Professional Development and Training, U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, PP - [Atlanta, Ga.?] : PY - [1983?] T1 - Homestudy course 3015-G, environmental protection :final exam. TI - Homestudy course 3015-G, environmental protection :final exam. ER -