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  2. Title 40 of the Code of Federal Regulations - Wikipedia

    en.wikipedia.org/wiki/Title_40_of_the_Code_of...

    Title 40 is a part of the United States Code of Federal Regulations. Title 40 arranges mainly environmental regulations that were promulgated by the US Environmental Protection Agency (EPA), based on the provisions of United States laws (statutes of the U.S. Federal Code). Parts of the regulation may be updated annually on July 1. [1]

  3. Refrigerant reclamation - Wikipedia

    en.wikipedia.org/wiki/Refrigerant_reclamation

    The EPA defines refrigerant reclamation as "Reclaim refrigerant means to reprocess refrigerant to at least the purity specified in appendix A to 40 CFR part 82, subpart F (based on AHRI Standard 700–1993, Specifications for Fluorocarbon and Other Refrigerants) and to verify this purity using the analytical methodology prescribed in appendix A ...

  4. Clean Air Act (United States) - Wikipedia

    en.wikipedia.org/wiki/Clean_Air_Act_(United_States)

    The text also highlighted the 14 principles on which this should be based. These were implemented in 1992 in OSHA's Process Safety Management regulation (Title 29 CFR Part 1910, Subpart H § 1910.119), as well as in EPA's 1996 Risk Management Program (RMP) rule (Title 40 CFR Part 68).

  5. Code of Federal Regulations - Wikipedia

    en.wikipedia.org/wiki/Code_of_Federal_Regulations

    Titles 17–27 are updated as of April 1; Titles 28–41 are updated as of July 1; Titles 42–50 are updated as of October 1; The Office of the Federal Register also keeps an unofficial, online version of the CFR, the e-CFR, which is normally updated within two days after changes that have been published in the Federal Register become ...

  6. National Emissions Standards for Hazardous Air Pollutants

    en.wikipedia.org/wiki/National_Emissions...

    The National Emission Standards for Hazardous Air Pollutants (NESHAP) are air pollution standards issued by the United States Environmental Protection Agency (EPA). The standards, authorized by the Clean Air Act, are for pollutants not covered by the National Ambient Air Quality Standards (NAAQS) that may cause an increase in fatalities or in serious, irreversible, or incapacitating illness.

  7. Title 41 of the Code of Federal Regulations - Wikipedia

    en.wikipedia.org/wiki/Title_41_of_the_Code_of...

    Title 41 of the Code of Federal Regulations ("CFR"), titled Public Contracts and Property Management, is the portion of the CFR that governs federal government public contracts within the United States. It is available in digital or printed form. Title 41 comprises four volumes, and is divided into six Subtitles.

  8. Residual-resistance ratio - Wikipedia

    en.wikipedia.org/wiki/Residual-resistance_ratio

    Since resistivity usually increases as defect prevalence increases, a large RRR is associated with a pure sample. RRR is also important for characterizing certain unusual low temperature states such as the Kondo effect and superconductivity. Note that since it is a unitless ratio there is no difference between a residual resistivity and ...

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

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

    CFR Title 29 - Labor is one of fifty titles comprising the United States Code of Federal Regulations (CFR), containing the principal set of rules and regulations issued by federal agencies regarding labor. It is available in digital and printed form, and can be referenced online using the Electronic Code of Federal Regulations (e-CFR).