124 resultados para persistent toxic substances
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Hearings held Mar. 28-May 4, 1977 in various cities.
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"B-214392"--Prelim. leaf [1]
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Vols. for issued as United States. Dept. of Health Education and Welfare. DHEW publication no. (HSM); issued as United States Dept. of Health Education and Welfare. HEW publication no. (NIOSH).
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Includes index.
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Mode of access: Internet.
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Pt. 1 not named as such.
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Includes bibliographical references.
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"October 24, November 14, and December 12, 1985"--Pt. 2.
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Item 1045-A, 1045-B (microfiche).
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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"CAS: 40487-42-1."
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"July 1990"--Cover.
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Item 473-B-1