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  2. Permissible exposure limit - Wikipedia

    en.wikipedia.org/wiki/Permissible_exposure_limit

    The current PEL for OSHA standards are based on a 5 decibel exchange rate. OSHA's PEL for noise exposure is 90 decibels (dBA) for an 8-hour TWA. Levels of 90-140 dBA are included in the noise dose. [4] PEL can also be expressed as 100 percent “dose” for noise exposure. When the noise exposure increases by 5 dB, the exposure time is cut in ...

  3. List of highly toxic gases - Wikipedia

    en.wikipedia.org/wiki/List_of_highly_toxic_gases

    Toxic: a chemical that has a median lethal concentration (LC 50) in air of more than 200 parts per million (ppm) but not more than 2,000 parts per million by volume of gas or vapor, or more than 2 milligrams per liter but not more than 20 milligrams per liter of mist, fume or dust, when administered by continuous inhalation for 1 hour (or less if death occurs within 1 hour) to albino rats ...

  4. Title 29 of the Code of Federal Regulations - Wikipedia

    en.wikipedia.org/wiki/Title_29_of_the_Code_of...

    Volume Chapter Parts Regulatory Entity 1: 0-99: Subtitle A--Office of the Secretary of Labor 2: I: 100-199: National Labor Relations Board: II: 200-299: Office of Labor-Management Standards, Department of Labor

  5. Disinfectant - Wikipedia

    en.wikipedia.org/wiki/Disinfectant

    The vapor is hazardous to the respiratory system and eyes and consequently the OSHA permissible exposure limit is 1 ppm (29 CFR 1910.1000 Table Z-1) calculated as an eight-hour time weighted average and the NIOSH immediately dangerous to life and health limit is 75 ppm. [30]

  6. Hydrogen peroxide - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_peroxide

    The U.S. Occupational Safety and Health Administration (OSHA) has established a permissible exposure limit of 1.0 ppm calculated as an 8-hour time-weighted average (29 CFR 1910.1000, Table Z-1). [97] Hydrogen peroxide has been classified by the American Conference of Governmental Industrial Hygienists (ACGIH) as a "known animal carcinogen, with ...

  7. Isocyanate - Wikipedia

    en.wikipedia.org/wiki/Isocyanate

    The American Conference of Governmental Industrial Hygienists (ACGIH) is a non-government organization that publishes guidance known as threshold limit values (TLV) [61] for chemicals based research as constant work exposure level without ill-effect [clarify]. The TLV is not an OSHA-enforceable value, unless the PEL is the same.

  8. Manganese - Wikipedia

    en.wikipedia.org/wiki/Manganese

    OSHA has set the legal limit (permissible exposure limit) for manganese exposure in the workplace as 5 mg/m 3 over an 8-hour workday. The National Institute for Occupational Safety and Health (NIOSH) has set a recommended exposure limit (REL) of 1 mg/m 3 over an 8-hour workday and a short term limit of 3 mg/m 3 .

  9. Arsenic - Wikipedia

    en.wikipedia.org/wiki/Arsenic

    It is sensitive to mobilization at pH values typical of natural waters (pH 6.5–8.5) under both oxidizing and reducing conditions. Arsenic can occur in the environment in several oxidation states (−3, 0, +3 and +5), but in natural waters it is mostly found in inorganic forms as oxyanions of trivalent arsenite [As(III)] or pentavalent ...

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