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(ii) Each such plan shall identify the specific facility from which particulate matter is emitted, the manner in which reduction of emissions will be achieved during a Yellow Alert, Red Alert, or Emergency Alert, and the approximate reduction in emissions to be achieved by each reduction measure.

(iii) During a Yellow Alert, Red Alert, or Emergency Alert, a copy of such pian shall be made available on the source premises for inspection by the Administrator.

(2) Upon notification by the Administrator or appropriate city official that a Yellow Alert, Red Alert, or Emergency Alert has been declared, the owner or operator of each source which has a standby plan approved by the Administrator shall implement the emission reduction measures specified in such plan.

(ii) Authority to require recordkeeping is lacking ($ 51.11(a) (5) of this chapter).

(iii) Authority to make emission data available to the public is inadequate because section 2A-42 of the Springfield City Code requires confidential treatment of such data in certain circumstances (8 51.11(a) (6) of this chapter). (37 FR 23090, Oct. 28, 1972) $ 52.1326 Control strategy: Nitrogen di.

oxide. (a) The requirements of $ 51.14(c)(3) 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 Metropolitan St. Louis Interstate Region. 8 52.1327 Prevention of air pollution

emergency episodes. (a) The requirements of $ 51.16 of this chapter are not met in Springfield in the Southwest Missouri Intrastate Region, since the Springfield-Greene Department of Health does not have the legal authority to abate emissions on an emergency basis.

(b) Regulation for emission control action program (city of Springfield). (1) The owner or operator of any stationary source in the city of Springfield which emits 100 tons (90.7 metric tons) or more per year of particulate matter shall prepare and submit to the Administrator a standby plan for reducing or elminating emissions of particulate matter during periods of Yellow Alert, Red Alert, or Emergency Alert, as defined in the Air Pollution Control Regulations of the Springfield-Greene County area.

(i) Each such plan shall be submitted within 90 days of the effective date of this regulation and shall be subject to review and approval by the Administrator. Any such plan will be approved unless the Administrator notifies the owner or operator within 60 days that such plan has been disapproved. The Administrator will set forth his reasons for any disapproval.

ary source in the city of Springfield not subject to the requirements of subparagraph (1) of this paragraph shall, when requested by the Administrator in writing, prepare and submit a standby plan in accordance with this paragraph. (37 FR 10875, May 31, 1972, as amended at 37 FR 23090, Oct. 28, 1972) 88 52.1328–52.1330 [Reserved] $ 52.1331 Requests for 2-year exten

sions. (a) Missouri's request for a 2-year extension under $ 51.30 of this chapter for the attainment of national standards for carbon monoxide in the Metropolitan St. Louis Interstate Region is not applicable since the national standards for carbon monoxide will be attained by 1975 in this region. & 52.1332 Attainment dates for national

standards. The following table presents the latest dates by which the national standards are to be attained. These dates reflect the information presented in Missouri's plans, except where noted.

Air quality control region

Pollutant
Particulate Sulfur 1

Photochemical
| matter oxides Nitrogen | Carbonoxidants
Pri- Secon- ||Pri- Secon- dioxide llmonoxidel (hydrocarbons |
mary: dary maryl dary

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NOTE.—Footnotes which are underlined are proposed by the Administrator because the dates provided in the plan are not acceptable.

a. July 1975.

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

c. Air quality levels presently below secondary standards. [37 FR 10875, May 31, 1972, as amended at 38 FR 7327, Mar. 20, 1973; 38 FR 12702, May 14, 1973) $ 52.1333 Transportation and land use 8 52.1334 Control strategy: Carbon controls.

monoxide. (a) To complete the requirements of (a) Due to the late submission of the $$ 51.11(b) and 51.14 of this chapter, the plan revisions, the Administrator disGovernor of Missouri must submit to the approves this portion of the plan beAdministrator:

cause there was insufficient time to ana(1) No later than April 15, 1973, a lyze and/or include public comment in transportation and/or land use control the approval/disapproval decision and strategy and a demonstration that said complete his evaluation by June 15, 1973. strategy, along with the Federal Motor

[38 FR 16566, June 22, 1973] Vehicle Control Program, will attain and maintain the national standards for car

Subpart BB-Montana bon monoxide in the Metropolitan Kan- SOURCE: 37 FR 10877, May 31, 1972, unless sas City Interstate Region by May 31, otherwise noted. 1975. By such date (April 15, 1973), the 8521370. Identification of olan State also must submit a detailed timetable for implementing the legislative

(a) Title of plan: “Implementation authority, regulations, and administra- Plan for Control of Air Pollution in tive policies required for carrying out the Montana." transportation and/or land use control (b) The plan was officially submitted strategy by May 31, 1975.

on March 22, 1972. (2) No later than July 30, 1973, the (c) Supplemental information was legislative authority that is needed for submitted on: carrying out such strategy.

(1) May 10, 1972, by the Montana (3) No later than December 30, 1973, State Department of Health and Enthe necessary adopted regulations and vironmental Sciences, and administrative policies needed to imple (2) June 26, 1972. ment such strategy.

(37 FR 10877, May 31, 1972, as amended at [38 FR 7328, Mar. 20, 1973)

37 FR 15084, July 27, 1972)

$ 52.1371 Classification of regions.

The Montana plan was evaluated on the basis of the following classifications:

Air quality | control region

pollutant

TPhotochemical Particulate Sulfur Nitrogen Carbon oxidants matter oxides dioxide monoxide (hydrocarbons) II

III 111 III

iilings intrastate Great Falls Intra

state Helena Intrastate

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Miles City

Intrastate

III

III

Missoula Intrastate I
$ 52.1372 Approval status.

With the exceptions set forth in this subpart, the Administrator approves Montana's plan for the attainment and maintenance of the national standards. $ 52.1373 Control strategy: Sulfur ox

ides. (a) The requirements of $ 51.13 of this chapter are not met since the emission limitations included in the plan are not sufficient for the attainment and main

tenance of the national standards for
sulfur oxides in the Helena Intrastate
Region.
$ 52.1374 [Reserved]
8 52.1375 Attainment dates for national

standards.
The following table presents the latest
dates by which the national standards
will be attained. These dates reflect the
information presented in Montana's
plan, except where noted.
Pollutant

Particulate! Sulfur
• matter
oxides

Photochemical
Air quality

Pri- Secon- ll Pri- Secon- | Nitrogen Carbonoxidants control region Imary Idary maryl dary

I dary_ Idioxide i monoxideil (hydrocarbons) Billings Intrastate Great Falls Intrastate Helena Intrastate Miles City Intrastate Missoula Intrastate

ele e

ool of

mol mol woo

NOTE.-Footnotes which are underlined are proposed by the Administrator because the plan does not provide a specific date. 2. Three years from plan approval or promulgation. b. Five years from plan approval or promulgation. c. Air quality levels presently below primary standards. d. Air quality levels presently below secondary standards.

e. Eighteen-month extension granted. (37 FR 15084, July 27, 1972)

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$ 52.1376 Extensions.

(a) The Administrator hereby extends for 2 years the attainment date for the primary standards for sulfur oxides in the Helena Intrastate Region.

(b) The Administrator hereby extends for 18 months the statutory timetable for submission of the plan for the attainment and maintenance of the secondary standards for sulfur oxides in the Helena Intrastate Region. [37 FR 15085, July 27, 1972)

Subpart CC-Nebraska SOURCE: 37 FR 10877, May 31, 1972. $ 52.1420 Identification of plan.

(a) Title of plan: “Air Quality Imple

mentation Plan for the State of Nebraska.”

(b) The plan was officially submitted on January 28, 1972.

(c) Supplemental information was submitted on:

(1) February 16, April 25, June 9, September 26, September 27, and October 2, 1972, by the Nebraska Department of Environmental Control, and

(2) January 24, June 9, and June 29, 1972. (37 FR 10877, May 31, 1972, as amended at 38 FR 12699, May 14, 1973) $ 52.1421 Classification of regions.

The Nebraska plan was evaluated on the basis of the following classifications:

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$ 52.1422 Approval status.

With the exceptions set forth in this subpart, the Administrator approves Nebraska's plan for the attainment and maintenance of the national standards. $ 52.1423 General requirements.

(a) The requirements of $ 51.10(e) of this chapter are not met since the plan does not set forth procedures by which emission data as correlated with allowable emissions will be made available to the public.

(b) Regulation for public availability of emission data.-Emission data obtained from owners or operators of stationary sources pursuant to $ 52.1429(f) will be correlated with applicable emission limitations and other control measures. All such emission data and correlations will be available during normal business hours at the regional office (region VII). The Administrator will designate one or more places in Nebraska

where such emission data and correlations will be available for public inspection. [37 FR 10877, May 31, 1972, as amended at, 38 FR 12699, May 15, 1973) $ 52.1424 Legal authority.

(a) The requirements of $ 51.11(a) (6) of this chapter are not met since .s27 of the Nebraska Legislative Bill 939 may preclude the release of emission data to the public in certain circumstances.

(b) (1) (Reserved]

(2) Lincoln Lincoln-Lancaster County Health Department:

(i) Authority to require recordkeeping is inadequate. [$ 51.11(a) (5) of this chapter)

(ii) Authority to require installation of monitoring devices or make periodic report is inadequate. [$ 51.11(a) (6) of this chapter] (37 FR 10877, May 31, 1972; 37 FR 15085, July 27, 1972; 38 FR 12699, May 14, 1973]

$ 52.1425 Compliance schedules.

(a) The requirements of $ 51.15 (a) (1) and (2) of this chapter are not met since Rule 7(b), "Rules and Regulations Implementing Nebraska Ambient Air Quality Standards," does not contain legally enforceable compliance schedules setting forth the dates by which all existing stationary sources or categories of such sources must be in compliance with applicable portions of the control strategy. Nebraska Rule 7(b) specifies that all existing sources not in compliance must submit an acceptable compliance schedule within 120 days after receiving notification of violation from the State. There are no assurances in the plan that existing sources will be notified by the State in a timely manner, therefore, Rule 7(b) is disapproved.

(b) Federal compliance schedule. (1) Except as provided in paragraph (b) (2) of this section, any owner or operator of a source subject to rules 12, 13, 14, 16, 18, 20, or 21 of "Rules and Regulations Implementing Nebraska Ambient Air Quality Standards," or $ 52.1432(b) shall comply with such rule or regulation on or before January 31, 1974.

(i) Any owner or operator in compliance with such rule or regulation on the effective date of this paragraph shall certify such compliance to the Administrator no later than 120 days following the effective date of this paragraph.

(ii) Any owner or operator who achieves compliance with such rule or regulation after the effective date of this paragraph shall certify such compliance to the Administrator within 5 days of the date compliance is achieved.

(2) Any owner or operator of a stationary source subject to paragraph (b) (1) of this section may, no later than 120 days following the effective date of this paragraph, submit to the Administrator for approval a proposed compliance schedule that demonstrates compliance with any rule or regulation specified in paragraph (b) (1) as expeditiously as practicable but no later than July 31, 1975. The compliance schedule shall provide for periodic increments of progress towards compliance. The dates for achievement of such increments shall bo specified. Increments of progress shall include, but not be limited to: submittal of the final control plan to the Administrator; letting of necessary contracts for construction or process change, or issuance of orders for the purchase of com

ponent parts to accomplish emission control or process modification; initiation of onsite construction or installation or emission control equipment or process change; completion of onsite construction or installation of emission control equipment or process modification; and final compliance.

(3) Any owner or operator who submits a compliance schedule pursuant to this paragraph shall, within 5 days after the deadline for each increment of progress, certify to the Administrator whether or not the required increment of the approved compliance schedule has been met.

(4) The owner or operator of a stationary source subject to $ 52.1429(g) shall comply with such regulation on the date such owner or operator is required under this paragraph to comply with $ 52.1432(b).

(5) Any compliance schedule adopted by the State and approved by the Administrator shall satisfy the requirements of this paragraph for the affected source. (37 FR 15085, July 27, 1972, as amended at 38 FR 12699, May 14, 1973] 88 52.1426–52.1427 [Reserved] $ 52.1428 Review of new sources and

modifications: Rules and regulations. (a) The requirements of $ 51.18 of this chapter are not met since Rule 3. “Rules and Regulations Implementing Nebraska Ambient Air Quality Standards," applies only to those sources subject to Federal standards under Part 60 of this chapter.

(b) The requirements of $ 51.18(c) of this chapter are not met in the Nebraska portion of the Metropolitan OmahaCouncil Bluffs Interstate Region since the city of Omaha Permits and Inspection Division has not adopted procedures to disapprove construction or modification of sources if such construction or modification would interfere with attainment or maintenance of a national standard.

(c) The requirements of $ 51.18 of this chapter are not met in the LincolnBeatrice-Fairbury Intrastate Region since the Lincoln-Lancaster County Health Department has not adopted regulations to prevent construction of new sources which would violate applicable portions of the control strategy or would interfere with attainment and maintenance of the national standards.

(d) Regulations for review of new sources and modifications.-(1) This requirement is applicable to any station

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