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NOTE-The underlined footnote is recommended for proposal by the Administrator because the plan does not provide a specific date.

a. July 1975.

b. Eighteen-month extension granted.

c. Air quality levels presently below primary standards.

d. Air quality levels presently below secondary standards.

e. Transportation and/or land use control strategy to be submitted no later than April 15, 1973.

[87 FR 15080, July 27, 1972, as amended at 38 FR 7324, Mar. 20, 1973; 38 FR 12702, May 14, 1973]

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(a) To complete the requirements of §§ 51.11 (b) and 51.14 of this chapter, the Governor of Alaska must submit to the Administrator:

(1) No later than April 15, 1973, a transportation and/or land use control strategy and a demonstration that said strategy, along with the Federal Motor Vehicle Control Program, will attain and maintain the national standards for carbon monoxide in the Northern Alaska Intrastate Region by May 31, 1975. By such date (April 15, 1973), the State also

must submit a detailed timetable for implementing the legislative authority, regulations, and administrative policies required for carrying out the transportation and/or land use control strategy by May 31, 1975, and a description of the specific responsibilities delegated to the local agencies.

(2) No later than July 30, 1973, the legislative authority that is needed for carrying out such control strategy.

(3) No later than December 30, 1973, the necessary adopted regulations and administrative policies needed to implement such control strategy.

[38 FR 7324, Mar. 20, 1973]

§ 52.84 Compliance schedules.

(a) The requirements of § 51.15(c) of this chapter are not met since compliance schedules with adequate increments of progress have not been submitted for every source for which they are required. [38 FR 16145, June 20, 1973]

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(a) The Administrator hereby extends for 2 years the attainment date for the national primary standards for sulfur oxides in the Phoenix-Tucson Intrastate Region and the Arizona portion of the Arizona-New Mexico Southern Border Interstate Region.

(b) The Administrator hereby extends for 18 months the statutory timetable for submittal of the plan for attainment and maintenance of the secondary standards for sulfur oxides in the Phoenix-Tucson Intrastate Region and the Arizona portion of the Arizona-New Mexico Southern Border Interstate Region.

(c) The Administrator hereby extends to March 15, 1976, the attainment date for the national primary standards for sulfur oxides in the Arizona portion of the Four Corners Interstate Region.

(d) Arizona's request under § 55.30 for an 18-month extension for attainment of the national standard for photochemical oxidants (hydrocarbons) in the Phoenix-Tucson Intrastate Region is not applicable since the standard will be attained by May 31, 1975. Arizona's request for an 18-month extension for attain

ment of the national standards for carbon monoxide in the Phoenix-Tucson intrastate region cannot be granted at this time since it does not adequately satisfy the requirements of § 51.30.

[37 FR 15081, July 27, 1972, as amended at 38 FR 7556, Mar. 23, 1973; 38 FR 16564, June 22, 1973]

§ 52.123 Approval status.

With the exceptions set forth in this subpart, the Administrator approves Arizona's plan for the attainment and maintenance of the national standards.

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oxides. Therefore, Regulation 7-1-4.1 (copper smelters) of the Arizona Rules and Regulations for Air Pollution Control, as it pertains to existing copper smelters, is disapproved for the PhoenixTucson Intrastate Region and the Arizona portion of the Arizona-New Mexico Southern Border Interstate Region.

(b) The requirements of §§ 51.13 and 51.22 of this chapter are not met since the plan does not provide the degree of control necessary to attain and maintain the national standards for sulfur oxides in the Arizona portion of the Four Corners Interstate Region. Therefore, Regulation 7-1-4.2(C) (fuel burning installations) of the Arizona Rules and Regulations for Air Pollution Control, as it pertains to existing sources, is disapproved in the Arizona portion of the Four Corners Interstate Region for steam power generating installations having a total rated capacity equal to or greater than 6,500 million B.t.u. per hour.

(c) Replacement regulation for Regulation 7-1-4(c) (Fossil fuel-fired steam generators in the Four Corners Interstate Region). (1) This paragraph is applicable to the fossil fuel-fired steam generating equipment designated as Units 1, 2, and 3 at the Navajo Power Plant in the Arizona portion of the Four Corners Interstate Region (§ 81.121 of this chapter).

(2) No owner or operator of the fossil fuel-fired steam generating equipment to which this paragraph is applicable shall discharge or cause the discharge of sulfur oxides into the atmosphere in excess of the amount prescribed by the following equations:

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where: E=Allowable sulfur oxides emissions (lb./10 B.t.u.).

e=Allowable sulfur oxides emissions
(gm./10 gm.-cal.).

S=Sulfur content, in percent by
weight, of fuel being burned.
H=Heat content of fuel (B.t.u./lb.).
h=Heat content of fuel (gm.-cal./
gm.).

(3) For the purposes of this paragraph:

(i) E shall not exceed 0.90 lb. SO1/10o B.t.u. (1.6 gm. SO,/10° gm.-cal.).

(ii) If emissions are less than 0.16 lb. SO/10a B.t.u. (0.29 gm. SO/10° gm.-cal.), the requirements of paragraph (c) (2) of this section shall not apply.

(4) Compliance with this paragraph shall be in accordance with the provisions of § 52.134(a).

(5) The test methods and procedures used to determine compliance with this paragraph shall be those prescribed in § 60.46 (c), (d), and (e) of this chapter. [37 FR 15081, July 27, 1972, as amended at 38 FR 7556, Mar. 23, 1973]

§ 52.126 Control strategy and regulations: Particulate matter.

(a) The requirements of §§ 51.13 and 51.22 of this chapter are not met since the plan does not provide the degree of control necessary to attain and maintain the national standards for particulate matter in the Phoenix-Tucson Intrastate Region. Therefore, Regulation 7-1-3.6 (process industries) of the Arizona Rules and Regulations for Air Pollution Control, Rule 31(E) (process industries) in Regulation III of the Maricopa County Air Pollution Control Rules and Regulations, and Rule 2(B) (process industries) in Regulation II of the Rules and Regulations of the Pima County Air Pollution Control District are disapproved for the Phoenix-Tucson Intrastate Region.

(b) Replacement regulation for Regulation 7-1-3.6 of the Arizona Rules and Regulations for Air Pollution Control, Rule 31(E) of Regulation III of the Maricopa County Air Pollution Control Rules and Regulations, and Rule 2(B) of Regulation II of the Rules and Regulations of Pima County Air Pollution Control District (Phoenix-Tucson Intrastate Region).—(1) No owner or operator of any stationary process source in the PhoenixTucson Intrastate Region (§ 81.36 of this chapter) shall discharge or cause the discharge of particulate matter into the atmosphere in excess of the hourly rate shown in the following table for the process weight rate identified for such

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lbs/hr shall be accomplished by use of the equation:

E=3.59 Po, P≤ 30 tons/h

and interpolation and extrapolation of the data for process weight rates in excess of 60,000 lbs/hr shall be accomplished by use of the equation:

E=17.31 P0,16 P> 30 tons/h

Where: E Emissions in pounds per hour

P=Process weight in tons per hour (ii) Process weight is the total weight of all materials and solid fuels introduced into any specific process. Liquid and gaseous fuels and combustion air will not be considered as part of the process weight. For a cyclical or batch operation, the process weight per hour will be derived by dividing the total process weight by the number of hours in one complete operation from the beginning of the given process to the completion thereof, excluding any time during which the equipment is idle. For a continuous operation, the process weight per hour will be derived by dividing the process weight for a given period of time by the number of hours in that period.

(iii) For purposes of this regulation, the total process weight from all similar units employing a similar type process shall be used in determining the maximum allowable emission of particulate matter.

(2) Paragraph (b)(1) of this section shall not apply to incinerators, fuel burning installations, or Portland cement plants having a process weight rate in excess of 250,000 lb/h.

(3) No owner or operator of a Portland cement plant in the Phoenix-Tucson Intrastate Region (§ 81.36 of this chapter) with a process weight rate in excess of 250,000 lb/h shall discharge or cause the discharge of particulate matter into the atmosphere in excess of the amount specified in § 60.62 of this chapter.

(4) Compliance with this paragraph shall be in accordance with the provisions of § 52.134(a).

(5) The test methods and procedures used to determine compliance with this paragraph are set forth below. The methods referenced are contained in the appendix to part 60 of this chapter. Equivalent methods and procedures may be used if approved by the Administrator.

(i) For each sampling repetition, the average concentration of particulate

matter shall be determined by using method 5. Traversing during sampling by method 5 shall be according to method 1. The minimum sampling time shall be 2 hours and the minimum sampling volume shall be 60 ft (1.70 m3), corrected to standard conditions on a dry basis.

(ii) The volumetric flow rate of the total effluent shall be determined by using method 2 and traversing according to method 1. Gas analysis shall be performed using the integrated sample technique of method 3, and moisture content shall be determined by the condenser technique of method 4.

(iii) All tests shall be conducted while the source is operating at the maximum production or combustion rate at which such source will be operated. During the tests, the source shall burn fuels or combinations of fuels, use raw materials, and maintain process conditions representative of normal operation, and shall operate under such other relevant conditions as the Administrator shall specify. [37 FR 15081, July 27, 1972, as amended at 38 FR 12704, May 14, 1973]

§ 52.127 Control strategy and regulations: Nitrogen dioxide.

(a) The requirements of §§ 51.14(c) (3) and 51.22 of this chapter are not met since the plan does not provide for the degree of nitrogen oxides emission reduction attainable through the application of reasonably available control technology in the Phoenix-Tucson Intrastate Region.

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trastate Region (§ 81.36 of this chapter), the construction or modification of which is commenced after the effective date of this regulation.

(2) No owner or operator shall commence construction or modification of any new source after the effective date of this regulation without first obtaining approval from the Administrator of the location of such source.

(1) Application for approval to construct or modify shall be made on forms furnished by the Administrator, or by other means prescribed by the

Administrator.

(ii) A separate application is required for each source.

(iii) Each application shall be signed by the applicant.

(iv) Each application shall be accompanied by site information, stack data, and the nature and amount of emissions. Such information shall be sufficient to enable the Administrator to make any determination pursuant to paragraph (c)(3) of this section.

(v) Any additional information, plans, specifications, evidence or documentation that the Administrator may require shall be furnished upon request.

(3) No approval to construct or modify will be granted unless the applicant shows to the satisfaction of the Administrator that the source will not prevent or interfere with attainment or maintenance of any national standard.

(4) The Administrator will act within 60 days on an application and will notify the applicant in writing of his approval, conditional approval, or denial of the application. The Administrator will set forth his reasons for any denial.

(5) The Administrator may cancel an approval if the construction is not begun within 2 years from the date of issuance, or if during the construction, work is suspended for 1 year.

(6) Approval to construct or modify shall not relieve any owner or operator of the responsibility to comply with any local, State or Federal regulation which is part of the applicable plan.

(d) Regulation for review of new sources and modifications: Federal Regulations. (1) This requirement is applicable to any stationary source subject to the requirements of § 52.126(b), the construction or modification of which is commenced after the effective date of this regulation.

(2) No owner or operator shall commence construction or modification of any stationary source after the effective date of this regulation, without first obtaining approval from the Administrator of the location and design of such source. (i) Application for approval to construct or modify shall be made on forms furnished by the Administrator, or by other means prescribed by the Administrator.

(ii) A separate application is required for each source.

(iii) Each application shall be signed by the applicant.

(iv) Each application shall be accompanied by site information, plans, descriptions, specifications, and drawings showing the design of the source, the nature and amount of emissions, and the manner in which it will be operated and controlled.

(v) Any additional information, plans, specifications, evidence, or documentation that the Administrator may require shall be furnished upon request.

(3) No approval to construct or modify will be granted unless the applicant shows to the satisfaction of the Administrator that the source will operate without causing a violation of § 52.126(b).

(4) The Administrator will act within 60 days on an application and will notify the applicant in writing of his approval, conditional approval, or denial of the application. The Administrator will set forth his reasons for any denial.

(5) The Administrator may impose any reasonable conditions upon an approval including conditions requiring the source to be provided with:

(i) Sampling ports of a size, number, and location as the Administrator may require.

(ii) Safe access to each port,

(iii) Instrumentation to monitor and record emission data, and

(iv) Any other sampling and testing facilities.

(6) The Administrator may cancel an approval if the construction is not begun within 2 years from the date of issuance, or if during the construction, work is suspended for 1 year.

(7) Any owner or operator subject to the provisions of this regulation shall furnish the Administrator written notification as follows:

(1) A notification of the anticipated date of initial startup of source not more

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