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  2. Hazardous waste in the United States - Wikipedia

    en.wikipedia.org/wiki/Hazardous_waste_in_the...

    EPA has other ways of regulating hazardous waste. These regulations include: The "Mixture Rule" (40 CFR Section 261.3(a)) applies to a mixture of a listed hazardous waste and a solid waste and states that the result of a mixture of these two wastes is regulated as a hazardous waste. Exemptions may apply in some cases.

  3. Effluent - Wikipedia

    en.wikipedia.org/wiki/Effluent

    EPA has published technology-based regulations, called "effluent guidelines", for 59 industrial categories. [11] The agency reviews the standards annually, conducts research on various categories, and makes revisions as appropriate. [16] Noncompliance with these standards and all other conditions in the permits is punishable by law. [18]

  4. United States vehicle emission standards - Wikipedia

    en.wikipedia.org/wiki/United_States_vehicle...

    In the United States, the emission standards for non-road diesel engines are published in the US Code of Federal Regulations, Title 40, Part 89 (40 CFR Part 89). Tier 1–3 Standards were adopted in 1994 and was phased in between 1996 and 2000 for engines over 37 kW (50 hp ).

  5. Polybrominated diphenyl ethers - Wikipedia

    en.wikipedia.org/wiki/Polybrominated_diphenyl_ethers

    According to U.S. EPA's Integrated Risk Information System, evidence indicates that PBDEs may possess liver toxicity, thyroid toxicity, and neurodevelopmental toxicity. [ 20 ] [ 21 ] In June 2008, the U.S. EPA set a safe daily exposure level ranging from 0.1 to 7 ug per kg body weight per day for the four most common PBDE congeners.

  6. Hydrogen safety - Wikipedia

    en.wikipedia.org/wiki/Hydrogen_safety

    29CFR1910.103 Gaseous and cryogenic hydrogen handling and storage 29CFR1910.119 Process safety management of highly hazardous chemicals: 40CFR68 Chemical accident prevention provisions 49CFR Regulations on shipping and handling hydrogen gas and cryogenic hydrogen [106] ISO 13984:1999 Liquid hydrogen — Land vehicle fuelling system interface

  7. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    A comparison table below that details the NIOSH protection designations, [45] 42 CFR 84, [25] the Navy/Marine Field Manual, [47] the NIOSH TB guide, [29] and whether they match up with the (42 CFR 84-declared ANSI K13.1-1973 revision) ANSI Z88.7-2001 colors, [46] for each type of chemical cartridge is described below.

  8. Isobutane - Wikipedia

    en.wikipedia.org/wiki/Isobutane

    R600-Isobutane 13.6Kg Cylinder by Starke Hvac. Isobutane, also known as i-butane, 2-methylpropane or methylpropane, is a chemical compound with molecular formula HC(CH 3) 3.It is an isomer of butane.

  9. N95 respirator - Wikipedia

    en.wikipedia.org/wiki/N95_respirator

    A surgical N95 is also rated against fluids, and is regulated by the US Food and Drug Administration under 21 CFR 878.4040, in addition to NIOSH 42 CFR 84. 42 CFR 84, the federal standard which the N95 is part of, was created to address shortcomings in the prior United States Bureau of Mines respirator testing standards, as well as tuberculosis ...