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TITLE 30ENVIRONMENTAL QUALITY
PART 1TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 116CONTROL OF AIR POLLUTION BY PERMITS FOR NEW CONSTRUCTION OR MODIFICATION
SUBCHAPTER BNEW SOURCE REVIEW PERMITS
DIVISION 6PREVENTION OF SIGNIFICANT DETERIORATION REVIEW
RULE §116.160Prevention of Significant Deterioration Requirements

(a) Each proposed new major source or major modification in an attainment or unclassifiable area shall comply with the requirements of this section. In addition, each proposed new major source of greenhouse gases (GHGs) or major modification involving GHGs shall comply with the applicable requirements of this section. The owner or operator of a proposed new or modified facility that will be a new major stationary source for the prevention of significant deterioration air contaminant shall meet the additional requirements of subsection (c)(1) - (4) of this section.

(b) De minimis threshold test (netting):

  (1) is required for all modifications to existing major sources of federally regulated new source review pollutants, unless the proposed emissions increases associated with a project, without regard to decreases, are less than major modification thresholds for the pollutant identified in 40 Code of Federal Regulations (CFR) §52.21(b)(23); and

  (2) is required for GHGs at existing major sources if the proposed modification results in an emissions increase, without regard to decreases, as required in §116.164(a)(2) of this title (relating to Prevention of Significant Deterioration Applicability for Greenhouse Gases Sources).

(c) In applying the de minimis threshold test (netting), if the net emissions increases are greater than the major modification levels for the pollutant identified in 40 CFR §52.21(b)(23) and for GHGs in §116.164 of this title, the following requirements apply.

  (1) In addition to those definitions in §116.12 of this title (relating to Nonattainment and Prevention of Significant Deterioration Review Definitions) the following definitions from prevention of significant deterioration of air quality regulations promulgated by the United States Environmental Protection Agency (EPA) in 40 CFR §52.21 and the definitions for protection of visibility and promulgated in 40 CFR §51.301 as amended July 1, 1999, are incorporated by reference:

    (A) 40 CFR §52.21(b)(12) - (15), concerning best available control technology, baseline concentrations, dates, and areas;

    (B) 40 CFR §52.21(b)(19), concerning innovative control technology; and

    (C) 40 CFR §52.21(b)(24) - (28), concerning federal land manager, terrain, and Indian reservations/governing bodies.

  (2) The following requirements from prevention of significant deterioration of air quality regulations promulgated by the EPA in 40 CFR §52.21 are hereby incorporated by reference:

    (A) 40 CFR §52.21(c) - (k), concerning increments, ambient air ceilings, restrictions on area classifications, exclusions from increment consumption, redesignation, stack heights, exemptions, control technology review, and source impact analysis;

    (B) 40 CFR §52.21(m) - (p), concerning air quality analysis, source information, additional impact analysis, and sources impacting federal Class I areas;

    (C) 40 CFR §52.21(r)(4), concerning relaxation of an enforceable limitation; and

    (D) 40 CFR §52.21(v), concerning innovative technology.

  (3) The term "facility" shall replace the words "emissions unit" in the referenced sections of the CFR.

  (4) The term "executive director" shall replace the word "administrator" in the referenced sections of the CFR except in 40 CFR §52.21(g) and (v).

(d) All estimates of ambient concentrations required under this subsection shall be based on the applicable air quality models and modeling procedures specified in the EPA Guideline on Air Quality Models, as amended, or models and modeling procedures currently approved by the EPA for use in the state program, and other specific provisions made in the prevention of significant deterioration state implementation plan. If the air quality impact model approved by the EPA or specified in the guideline is inappropriate, the model may be modified or another model substituted on a case-by-case basis, or a generic basis for the state program, where appropriate. Such a change shall be subject to notice and opportunity for public hearing and written approval of the administrator of the EPA.


Source Note: The provisions of this §116.160 adopted to be effective September 13, 1993, 18 TexReg 5746; amended to be effective April 5, 1995, 20 TexReg 2052; amended to be effective July 8, 1998, 23 TexReg 6973; amended to be effective November 1, 2001, 26 TexReg 8539; amended to be effective February 1, 2006, 31 TexReg 515; amended to be effective June 24, 2010, 35 TexReg 5344; amended to be effective April 17, 2014, 39 TexReg 2901; amended to be effective November 22, 2018, 43 TexReg 7540

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