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requirements of such emission control atmospheric stagnation conditions or and (e) of this section within 1 year action program.
during any episode stage and updating after such prescribed date. A descrip-
to control emissions during any episode
(g) Each plan for a Priority II re-
cedures for contact with public officials, [36 F.R. 22398, Nov. 25, 1971; 36 F.R. 24002,
8 51.17 Air quality surveillance.
tion and a timetable for their comple- after the date of the Administrator's ap-
Such timetable shall provide for meet- as a minimum, the following require-
Measurement method i
Minimum frequency of sampling
Minimum number of air quality monitoring sites h
I.... ---------- Suspended particulates... High volume sampler...---... One 24-hour sample every 6 days . Less than 100,000..
One sample overy 2 hours....
(gas bubbler). a
Less than 100,000.
Above 5,000,000. Carbon monoxide......... Nondispersive Infrared or Continuous..
Less than 100,000.equivalent.
100,000-5,000,000.Above 5,000,000 --
4+0.6 per 100,000 population.c
to eight sites.
6+0.05 per 100,000 population.c . 1.
1+0.16 per 100,000 population.. 6+0.05 per 100,000 population..
Photochemical oxidants... Gas phase chemiluminesence Continuous....
Less than 100,000.. or equivalent.
One sample every 2 hours...
(gas bubbler). a
a Equivalent to 61 random samples per year.
d Equivalent methods ara (1) Gas Chromatographic Separation-Flame Photometric Detection (provided Teflon is used throughout the instrument system in parts exposed
| Equivalent methods are (1) Potassium Iodide Colorimetric Detection (provided a correction is made for SO2 and NO2 UV Photometric Detection of Ozone
8 It is assumed that the Federal motor vehicle emission standards will achieve and maintain the national standards for carbon monoxide, nitrogen dioxide, and
i All named measurement methods, except the Tape Sampler method, are described in the national ambient air quality standards published April 30, 1971 (36 F.R. 8186).
e Equivalent method is Gas Chromatographic Separation-Catalytic Conversion-Flame Ionization Detection.
b In interstate regions, the number of sites required should be prorated to each State on a population basis.
0-2,620 ug./m.3 (0-1 p.p.m.)----- -- 0-58 mg./m.3 (0-50 p.p.m.)....
0-880 ug./m.3 (0-0.5 p.p.m.). Minimum detectable sensitivity..
26 wg./m.3 (0.01 p.p.m.)....
20 mg./m.3 (0.01 p.p.m.).
... 5 minutes.
+1 percent per day and +2 percent per +1 percent per day and +2 percent per +1 percent per day and +2 percent per
+1 percent per day and +2 percent per #1 percent per day and #2 percent per +1 percent per day and +2 percent per
.. 3 days.
+0.5 percent (full scale)..
+0.5 percent (full scale). Interference equivalent... .. 26 ug./m.3 (0.01 p.p.m.)--
1.1 mg./m.3 (1 p.p.m.)...
20 mg./m.3 (0.01 p.p.m.). Operating temperature fluctuation.--- +5° C...
#5° C. 2 Percent (full scale) --
2 percent (full scale) Linearity.------
2 percent (full scale).
The various specifications are defined as follows:
Precision: The degree of agreement between repeated measurements of the same concentration (which shall be the midpoint of the stated range) expressed as the
Operation period: The period of time over which the instrument can be expected to operate unattended within specifications.
Linearity: The maximum deviation between an actual instrument reading and the reading predicted by a straight line drawn between upper and lower calibration
(2) At least one sampling site must be located in the area of estimated maximum pollutant concentrations.
(b) The plan shall include a description of the existing and proposed air quality surveillance system, which shall set forth:
(1) The basis for the design of the surveillance system, selection of samplers, and sampling sites.
(2) The locations of the samplers by Universal Transverse Mercator (UTM) grid coordinates or the equivalent. Any EPA monitoring station may be designated as a sampler location.
(3) The sampling schedules.
(4) The methods of sampling and analysis.
(5) The method of data handling and analysis procedures.
(6) The timetable for the installation of any additional equipment needed to complete the system.
(c) The plan shall provide for monitoring of air quality during any air pollution emergency episode stage. The stations selected for use during such periods must be in operation within 1 year after the date of the Administrator's approval of the plan and be capable of indicating when pollutant concentrations have reached, or are approaching, any episode criteria established pursuant to $ 51.16. [36 F.R. 22398, Nov. 25, 1971, as amended at 36 F.R. 25233, Dec. 30, 1971] $ 51.18 Review of new sources and
modifications. (a) Each plan shall set forth legally enforceable procedures that will be used to implement the authority described in $ 51.11(a) (4), which procedures shall be adequate to enable the State to determine whether construction or modification of stationary sources will result in violations of applicable portions of the control strategy or will interfere with attainment or maintenance of a national standard.
(b) Such procedures shall provide for the submission, by the owner or operator of a new stationary source, or existing source which is to be modified, of such information on the nature and amounts of emissions, locations, design, construction, and operation of such sources as may be necessary to permit the State agency to make the determination referred to in paragraph (a) of this section.
(c) Such procedures shall also include means of disapproving such construction or modification if it will result in a viola
tion of applicable portions of the control strategy or will interfere with attainment or maintenance of a national standard.
(d) Such procedures shall provide that approval of any construction or modification shall not affect the responsibility of the owner or operator to comply with applicable portions of the control strategy. 136 F.R. 23398, Nov. 25, 1971, as amended at 36 F.R. 25233, Dec. 30, 1971) $ 51.19 Source surveillance.
Each plan shall provide for monitoring the status of compliance with any rules and regulations which set forth any portion of the control strategy. Specifically, each plan shall, as a minimum, provide for:
(a) Legally enforceable procedures for requiring owners or operators of stationary sources to maintain records of, and periodically report to the State information on, the nature and amount of emissions from such stationary sources and/or such other information as may be necessary to enable the State to determine whether such sources are in compliance with applicable portions of the control strategy.
(b) Periodic testing and inspection of stationary sources.
(c) Establishment of a system for detecting violations of any rules and regulations through the enforcement of appropriate visible emission limitations and for investigating complaints. $ 51.20 Resources.
Each plan shall include a description of the resources available to the State and local agencies at the date of submission of the plan and of any additional resources needed to carry out the plan during the 5-year period following its submission. Such description, which shall be provided in a form similar to that in Appendix K to this part, shall include projections of the extent to which resources will be acquired at 1-, 3-, and 5year intervals. $ 51.21 Intergovernmental cooperation,
(a) For the purpose of assisting in the development of a plan for any interstate region, the State agency responsible for implementing national standards in any portion of such an interstate region shall furnish any available data on emissions, air quality, and control strategy development, upon request, to any other State or local agency having such responsibil
ity in any other portion of such interstate region.
(b) Each plan shall identify:
(1) The local agencies, by official title, which will participate in carrying out the plan,
(2) The responsibilities of such local agencies and the responsibilities of any State governmental agency involved in carrying out any portion of the plan.
(c) Each plan shall provide assurances that the State agency having primary responsibility for implementing national standards in any region, or portion thereof, will promptly transmit to other State agencies having similar or related responsibility in the same or other States, information on factors (e.g., construction of new industrial plants) which may significantly affect air quality in any portion of such region or in any adjoining region. § 51.22 Rules and regulations.
Emission limitations and other measures necessary for attainment and maintenance of any national standard, including any measures necessary to implement the requirements of $ 51.11, shall be adopted as rules and regulations enforceable by the State agency. Copies of all such rules and regulations shall be submitted with the plan. Except as otherwise provided by $ 51.11(b), submittal of a plan setting forth proposed rules and regulations will not satisfy the requirements of this section nor will it be considered a timely submittal.
Subpart C-Extensions § 51.30 Request for 2-year extension.
(a) The Governor of a State may, at the time of submission of a plan to implement a primary standard in a Priority I region, request the Administrator to extend, for a period not exceeding 2 years, the 3-year period prescribed by the Act for attainment of the primary standard in such region.
(b) Any such request regarding an interstate region shall be submitted jointly with the requests of Governors of all States in the region, or shall show that the Governor of each State in the region has been notified of such a request.
(c) Any such request regarding attainment of a primary standard shall be submitted together with a plan which shall:
(1) Set forth a control strategy adequate for attainment of such primary standard.
(2) Show that the necessary technology or alternatives will not be available soon enough to permit full implementation of such control strategy within such 3-year period, i.e., one or more emission sources or classes of sources will be unable to comply with applicable portions of the control strategy.
(3) Provide for attainment of such primary standard as expeditiously as practicable, but in no case later than 5 years after the date of the Administrator's approval of such plan.
(d) Any showing pursuant to paragraph (c) of this section shall include:
(1) A clear identification of stationary emission sources or classes of moving sources which will be unable to comply with the applicable portions of such control strategy within a 3-year period because the necessary technology or alternatives will not be available soon enough to permit such compliance.
(2) A clear identification and justification of any assumptions made with the respect to the time at which the necessary technology or alternatives will be available.
(3) A clear identification of any alternative means of attainment of such primary standard which were considered and rejected.
(4) A showing that stationary emission sources or classes of moving sources other than those identified pursuant to subparagraph (1) of this paragraph will be required to comply, within such 3year period, with any applicable portions of such control strategy.
(5) A showing that reasonable interim control measures are provided for in such plan with respect to emissions from the source(s) identified pursuant to subparagraph (1) of this paragraph. $ 51.31 Request for 18-month exten
sion. (a) Upon request of the State made in accordance with this section, the Administrator may, whenever he determines necessary, extend, for a period not to exceed 18 months, the deadline for submitting that portion of a plan that implements a secondary standard.
(b) Any such request will be given consideration only in the case of Priority I and Priority II regions.