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#1321 |
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bRegulatory numbers are values that have been incorporated in Government regulations, while advisory numbers are nonregulatory values provided by the Government or other groups as advice. OSHA numbers are regulatory, whereas NIOSH, ACGIH, and AIHA are advisory.
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#1322 |
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cThis NOAEL is from the critical study used as the basis of the EPA RfC.
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#1323 |
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References
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#1324 |
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1. Agency for Toxic Substances and Disease Registry (ATSDR). Toxicological Profile for Beryllium (Draft). Public Health Service, U.S. Department of Health and Human Services, Atlanta, GA. 1992.
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#1325 |
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2. U.S. Environmental Protection Agency. Toxicological Review of Beryllium and Compounds. In support of summary information on IRIS. National Center for Environmental Assessment, Washington, DC. 1998.
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#1326 |
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3. U.S. Environmental Protection Agency. Integrated Risk Information System (IRIS) on Beryllium. National Center for Environmental Assessment, Office of Research and Development, Washington, DC. 1999.
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#1327 |
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4. U.S. Department of Health and Human Services. Hazardous Substances Data Bank (HSDB, online database). National Toxicology Information Program, National Library of Medicine, Bethesda, MD. 1993.
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#1328 |
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5. U.S. Department of Health and Human Services. Registry of Toxic Effects of Chemical Substances (RTECS, online database). National Toxicology Information Program, National Library of Medicine, Bethesda, MD. 1993.
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#1329 |
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6. National Institute for Occupational Safety and Health (NIOSH). Pocket Guide to Chemical Hazards. U.S. Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention. Cincinnati, OH. 1997.
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#1330 |
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7. Occupational Safety and Health Administration (OSHA). Occupational Safety and Health Standards, Toxic and Hazardous Substances. Code of Federal Regulations. 29 CFR 1910.1000. 1998.
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#1331 |
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8. American Conference of Governmental Industrial Hygienists (ACGIH). 1999 TLVs and BEIs. Threshold Limit Values for Chemical Substances and Physical Agents. Biological Exposure Indices. Cincinnati, OH. 1999.
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#1332 |
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9. American Industrial Hygiene Association (AIHA). The AIHA 1998 Emergency Response Planning Guidelines and Workplace Environmental Exposure Level Guides Handbook. 1998.
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crazycoffey |
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#1333 |
..........
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Beryllium
Pronunciation: b&-'ri-lE-&m Function: noun Etymology: New Latin, from Greek bEryllion : a steel-gray light strong brittle toxic divalent metallic element used chiefly as a hardening agent in alloys -- |
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#1334 |
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Berylliosis is lung inflammation caused by inhaling dust or fumes that contain the metallic element beryllium. Found in rocks, coal, soil, and volcanic dust, beryllium is used in the aerospace industry and in many types of manufacturing. Berylliosis occurs in both acute and chronic forms. In some cases, appearance of the disease may be delayed as much as 20 years after exposure to beryllium
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#1335 |
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The manufacture of fluorescent light bulbs is no longer a source of beryllium
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