40 CFR 61.201 - Definitions.

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There are 3 Updates appearing in the Federal Register for 40 CFR 61. View below or at eCFR (GPOAccess)
§ 61.201 Definitions.
As used in this subpart, all terms not defined here have the meaning given them in the Clean Air Act or subpart A of part 61. The following terms shall have the following specific meanings:
(a) Inactive stack means a stack to which no further routine additions of phosphogypsum will be made and which is no longer used for water management associated with the production of phosphogypsum. If a stack has not been used for either purpose for two years, it is presumed to be inactive.
(b) Phosphogypsum is the solid waste byproduct which results from the process of wet acid phosphorus production.
(c) Phosphogypsum stacks or stacks are piles of waste resulting from wet acid phosphorus production, including phosphate mines or other sites that are used for the disposal of phosphogypsum.

Title 40 published on 2013-07-01

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

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  • 2014-02-27; vol. 79 # 39 - Thursday, February 27, 2014
    1. 79 FR 11228 - Revisions to Test Methods and Testing Regulations
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      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      This final rule is effective on February 27, 2014. The incorporation by reference materials listed in the rule are approved by the Director of the Federal Register as of February 27, 2014.
      40 CFR Parts 51, 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 2013-07-01

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

  • 2014-05-02; vol. 79 # 85 - Friday, May 2, 2014
    1. 79 FR 25388 - Revisions to National Emission Standards for Radon Emissions From Operating Mill Tailings
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      ENVIRONMENTAL PROTECTION AGENCY
      Proposed rule.
      Comments must be received on or before July 31, 2014.
      40 CFR Part 61