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000223536 1101_ $$aUnited States.$$bEnvironmental Protection Agency.$$bOffice of Science and Technology.
000223536 24510 $$aCatalog of publications$$h[microform] :$$bOffice of Science and Technology.
000223536 250__ $$a1999 ed.
000223536 260__ $$aWashington, D.C. :$$bOffice of Science and Technology, U.S. Environmental Protection Agency,$$c[1999]
000223536 300__ $$ax, 74 p. :$$bill. ;$$c28 cm.
000223536 500__ $$aAt head of title: United States Environmental Protection Agency, Office of Water.
000223536 500__ $$aShipping list no.: 99-0927-M.
000223536 500__ $$a"August 1999"--Cover.
000223536 500__ $$aIncludes index.
000223536 500__ $$a"EPA-820-B-99-001"--Cover.
000223536 533__ $$aMicrofiche.$$b[Washington, D.C.] :$$cSupt. of Docs., U.S. G.P.O.,$$d1999$$e1 microfiche : negative.
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000223536 650_0 $$aWater quality$$zUnited States$$vBibliography$$vCatalogs.
000223536 650_0 $$aWater$$xPurification$$zUnited States$$vBibliography$$vCatalogs.
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