40 CFR 61.121 - Definitions.

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§ 61.121 Definitions.

(a) Elemental phosphorus plant or plant means any facility that processes phosphate rock to produce elemental phosphorus. A plant includes all buildings, structures, operations, calciners and nodulizing kilns on one contiguous site.

(b) Calciner or Nodulizing kiln means a unit in which phosphate rock is heated to high temperatures to remove organic material and/or to convert it to a nodular form. For the purpose of this subpart, calciners and nodulizing kilns are considered to be similar units.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.

United States Code

Title 40 published on 2015-07-01

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

  • 2015-10-09; vol. 80 # 196 - Friday, October 9, 2015
    1. 80 FR 61139 - Revisions to Test Methods, Performance Specifications, and Testing Regulations for Air Emission Sources; Extension of Comment Period
      GPO FDSys XML | Text
      Proposed rule; extension of comment period.
      Comments on the proposed rule published September 8, 2015 (80 FR 54146) must be received on or before December 9, 2015.
      40 CFR Parts 51, 60, 61, and 63