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TITLE 30ENVIRONMENTAL QUALITY
PART 1TEXAS COMMISSION ON ENVIRONMENTAL QUALITY
CHAPTER 117CONTROL OF AIR POLLUTION FROM NITROGEN COMPOUNDS
SUBCHAPTER DCOMBUSTION CONTROL AT MINOR SOURCES IN OZONE NONATTAINMENT AREAS
DIVISION 2DALLAS-FORT WORTH EIGHT-HOUR OZONE NONATTAINMENT AREA MINOR SOURCES
RULE §117.2103Exemptions

This division (relating to Dallas-Fort Worth Eight-Hour Ozone Nonattainment Area Minor Sources) does not apply to the following stationary engines, except as specified in §§117.2130(c), 117.2135(e), and 117.2145(b) and (c) of this title (relating to Operating Requirements; Monitoring, Notification, and Testing Requirements; and Recordkeeping and Reporting Requirements):

  (1) engines with a horsepower (hp) rating of less than 50 hp;

  (2) engines used in research and testing;

  (3) engines used for purposes of performance verification and testing;

  (4) engines used solely to power other engines or gas turbines during startups;

  (5) engines operated exclusively in emergency situations, except that operation for testing or maintenance purposes is allowed for up to 100 hours per year, based on a rolling 12-month average. Any new, modified, reconstructed, or relocated stationary diesel engine placed into service on or after June 1, 2007, is ineligible for this exemption. For the purposes of this subparagraph, the terms "modification" and "reconstruction" have the meanings defined in §116.10 of this title (relating to General Definitions) and 40 Code of Federal Regulations (CFR) §60.15 (December 16, 1975), respectively, and the term "relocated" means to newly install at an account, as defined in §101.1 of this title (relating to Definitions), a used engine from anywhere outside that account;

  (6) engines used in response to and during the existence of any officially declared disaster or state of emergency;

  (7) engines used directly and exclusively by the owner or operator for agricultural operations necessary for the growing of crops or raising of fowl or animals;

  (8) diesel engines placed into service before June 1, 2007, that:

    (A) operate less than 100 hours per year, based on a rolling 12-month average; and

    (B) have not been modified, reconstructed, or relocated on or after June 1, 2007. For the purposes of this clause, the terms "modification" and "reconstruction" have the meanings defined in §116.10 of this title and 40 CFR §60.15 (December 16, 1975), respectively, and the term "relocated" means to newly install at an account, as defined in §101.1 of this title, a used engine from anywhere outside that account;

  (9) new, modified, reconstructed, or relocated stationary diesel engines placed into service on or after June 1, 2007, that:

    (A) operate less than 100 hours per year, based on a rolling 12-month average, in other than emergency situations; and

    (B) meet the corresponding emission standard for non-road engines listed in 40 CFR §89.112(a), Table 1 (October 23, 1998) and in effect at the time of installation, modification, reconstruction, or relocation. For the purposes of this subparagraph, the terms "modification" and "reconstruction" have the meanings defined in §116.10 of this title and 40 CFR §60.15 (December 16, 1975), respectively, and the term "relocated" means to newly install at an account, as defined in §101.1 of this title, a used engine from anywhere outside that account; and

  (10) new, modified, reconstructed, or relocated stationary diesel engines placed into service on or after June 1, 2007, that:

    (A) are used solely for product testing and personnel training;

    (B) operate less than 1,000 hours per year, on a rolling 12-month basis; and

    (C) meet the corresponding emission standard for non-road engines listed in 40 CFR §89.112(a), Table 1 (October 23, 1998) and in effect at the time of installation, modification, reconstruction, or relocation. For the purposes of this subparagraph, the terms "modification" and "reconstruction" have the meanings defined in §116.10 of this title and 40 CFR §60.15 (December 16, 1975), respectively, and the term "relocated" means to newly install at an account, as defined in §101.1 of this title, a used engine from anywhere outside that account.


Source Note: The provisions of this §117.2103 adopted to be effective June 14, 2007, 32 TexReg 3206; amended to be effective May 2, 2013, 38 TexReg 2634

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