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[Washington, D.C.?] : Environmental Protection Agency, Office of Regulatory Enforcement, Toxic & Pesticide Enforcement Division, [1998]
EP 5.2: R 31/16 |
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2.
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Research Triangle Park, N.C.: U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards, 1998.
EP 4.2: L 46/5 |
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3.
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Cincinnati, OH : U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control, National Institute for Occupational Safety and Health, [1995]
HE 20.7123: L 46 |
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4.
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Atlanta, Ga. : Dept. of Health and Human Services, Public Health Service, Centers for Disease Control,
HE 20.7019:L 46/ |
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5.
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Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1992.
Y 4.EN 2/3: 102-104 |
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6.
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Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1993.
Y 4.EN 2/3: 103-46 |
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7.
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Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1992.
TP812 .U5S4 1992 |
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8.
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Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1994.
Y 4.G 74/9: 102-1204 |
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9.
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Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1995.
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10.
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Washington : U.S. Environmental Protection Agency, Office of Research and Development. : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977.
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