40 CFR 61.181 - Definitions.

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There are 4 Updates appearing in the Federal Register for 40 CFR 61. View below or at eCFR (GPOAccess)
§ 61.181 Definitions.
All terms used in this subpart shall have the meanings given them in the Act, in subpart A of part 61, and in this section as follows:
Arsenic kitchen means a baffled brick chamber where inorganic arsenic vapors are cooled, condensed, and removed in a solid form.
Control device means the air pollution control equipment used to collect particulate matter emissions.
Curtail means to cease operations to the extent technically feasible to reduce emissions.
Inorganic arsenic means the oxides and other noncarbon compounds of the element arsenic included in particulate matter, vapors, and aerosols.
Malfunction means any sudden failure of air pollution control equipment or process equipment or of a process to operate in a normal or usual manner so that emissions of inorganic arsenic are increased.
Opacity means the degree to which emissions reduce the transmission of light.
Primary emission control system means the hoods, enclosures, ducts, and control devices used to capture, convey, and remove particulate matter from exhaust gases which are captured directly at the source of generation.
Process emissions means inorganic arsenic emissions that are captured and collected in a primary emission control system.
Roasting means the use of a furnace to heat arsenic plant feed material for the purpose of eliminating a significant portion of the volatile materials contained in the feed.
Secondary emissions means inorganic arsenic emissions that escape capture by a primary emission control system.
Shutdown means the cessation of operation of a stationary source for any purpose.
[51 FR 28033, Aug. 4, 1986; 51 FR 35355, Oct. 3, 1986]

Title 40 published on 2014-07-01

The following are only the Rules published in the Federal Register after the published date of Title 40.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2015-02-24; vol. 80 # 36 - Tuesday, February 24, 2015
    1. 80 FR 9613 - New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Louisiana
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Direct final rule; delegation of authority.
      This rule is effective on April 27, 2015 without further notice, unless EPA receives relevant adverse comment by March 26, 2015. If EPA receives such comment, EPA will publish a timely withdrawal in the Federal Register informing the public that the updated NESHAPs delegation will not take effect; however, the NSPS delegation will not be affected by such action.
      40 CFR Parts 60, 61, and 63

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United States Code
U.S. Code: Title 42 - THE PUBLIC HEALTH AND WELFARE

Title 40 published on 2014-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR 61 after this date.

  • 2015-02-24; vol. 80 # 36 - Tuesday, February 24, 2015
    1. 80 FR 9613 - New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Louisiana
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Direct final rule; delegation of authority.
      This rule is effective on April 27, 2015 without further notice, unless EPA receives relevant adverse comment by March 26, 2015. If EPA receives such comment, EPA will publish a timely withdrawal in the Federal Register informing the public that the updated NESHAPs delegation will not take effect; however, the NSPS delegation will not be affected by such action.
      40 CFR Parts 60, 61, and 63