40 CFR 450.11 - General definitions.

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§ 450.11 General definitions.

(a)New source. New source means any source, whose discharges are defined in 40 CFR 122.26(b)(14)(x) and (b)(15), that commences construction activity after the effective date of this rule.

(b)Infeasible. Infeasible means not technologically possible, or not economically practicable and achievable in light of best industry practices.

[ 74 FR 63057, Dec. 1, 2009, as amended at 79 FR 12667, Mar. 6, 2014]

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 10-May-2017 04:28

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 450 after this date.

  • 2015-05-04; vol. 80 # 85 - Monday, May 4, 2015
    1. 80 FR 25235 - Effluent Limitations Guidelines and Standards for the Construction and Development Point Source Category; Correcting Amendment
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Final rule; correcting amendment.
      The indefinite stay at 40 CFR 450.22(a) and (b) is lifted and this rule is effective on May 4, 2015.
      40 CFR Part 450