00970cam a2200229 a 4500001000800000005001700008008004100025010001600066019001100082040002100093043001200114050003100126082001200157110005300169245019000222260008100412300003700493500002100530610006700551650004400618710007800662377166920060831120505.0740604s1973 dcu b f000 0 engd  a 741681661 a732306 aLCbengcLCdVIT an-us---00aZ5863.P7bU58 1973baTD17004a016.3631 aUnited States.bEnvironmental Protection Agency.10aEPA reports bibliography :ba listing of EPA reports available from the National Technical Information Service as of April 1, 1973. /c[Prepared by] Library Systems Branch [and others]. aWashington :bFor sale by the Supt. of Docs., U.S. Govt. Print. Off.,c1973. a1 v. (various pagings) ;c27 cm. a"EPA-LIB-73-01."10aUnited States.bEnvironmental Protection AgencyxBibliography. 0aEnvironmental protectionxBibliography.1 aUnited States.bEnvironmental Protection Agency.bLibrary Systems Branch.