CCLME.ORG - 40 CFR PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS
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(34) Program elements were submitted on June 28, 1994 by the Governor's designee.

(i) Incorporation by reference.

(A) Small Business Stationary Source Technical and Environmental Compliance Assistance Program, adopted on June 28, 1994.

(35) Program elements were submitted on July 5, 1995 by the Governor's designee.

(i) Incorporation by reference.

(A) Small Business Stationary Source Technical and Environmental Compliance Assistance Program, adopted on July 5, 1995.

(36)–(37) [Reserved]

(38) On August 7, 1998, regulations for the following Health District were submitted by the Governor's designee.

(i) Incorporation by reference.

(A) Clark County Health District.

(1) Section 53 adopted on September 25, 1997.

(39) The following plan was submitted on February 14, 1995, by the Governor's designee.

(i) Incorporation by reference.

(A) Redesignation Request and Maintenance Plan for the National Sulfur Dioxide Standard—Central Steptoe Valley, adopted by Nevada Division of Environmental Protection on February 14, 1995.

(40) The following plan supplement was submitted on February 27, 2002, by the Governor's designee.

(i) Incorporation by reference.

(A) Supplement to the Maintenance Plan for the National Sulfur Dioxide Standard—Central Steptoe Valley (Letter from Allen Biaggi, Administrator, Nevada Division of Environmental Protection, to Wayne Nastri, Regional Administrator, EPA Region IX, dated February 27, 2002).

(41) Regulations for the following agencies were submitted on November 19, 2002 by the Governor's designee.

(i) Incorporation by reference.

(A) Clark County Air Quality Management Board.

(1) Clark County Building Code, section 3708, adopted on November 20, 1990.

(2) City of Las Vegas Building Code, section 3708, adopted on November 21, 1990.

(3) City of North Las Vegas Building Code, section 13.16.150, adopted on September 18, 1991.

(4) City of Henderson Building Code, section 15.40.010, adopted on October 15, 1996.

(42) The following plan was submitted on July 23, 2001, by the Governor's designee.

(i) Incorporation by reference.

(A) Clark County Department of Air Quality Management.

(1) PM–10 State Implementation Plan for Clark County including: Chapter 3, Chapter 4 (excluding pages 4–125 and 4–126), Chapters 5 through 7, Appendices A through E, Appendix G (excluding pages 90–1 through 90–10, 91–1 through 91–9, 92–1 through 92–7, 93–1 through 93–8, and the following paragraphs of pages 0–1 through 0–46: 0.1–0.24, 0.26–0.32, 0.34, 0.35, 0.38–0.42, 0.44, 0.49, 0.50, 0.52–0.57, 0.59–0.64, 0.66–0.69, 0.71–0.80, 0.82, 0.83, 0.85–0.109, 0.112, 0.113, 0.115, 0.116, 0.118, 0.119, 0.121–0.126, 0.128–0.131, 0.134–0.139, 0.142–0.146, 0.148–0.161, 0.163, 0.165, and 0.167–0.172), Appendix J, and Appendices L through N adopted on June 19, 2001.

(43) The following regulations were submitted on October 24, 2002, by the Governor's designee.

(i) Incorporation by reference.

(A) Clark County Department of Air Quality Management.

(1) Sections 90, 91, 92 and 93 adopted on November 20, 2001.

(44) The following plan amendments were submitted on November 19, 2002, by the Governor's designee.

(i) Incorporation by reference.

(A) Clark County Department of Air Quality Management.

(1) Pages 4–125 and 4–126 and Appendix R adopted on November 19, 2002.

(45) The following plan was submitted on October 27, 2003, by the Governor's designee.

(i) Incorporation by reference.

(A) Carbon Monoxide Redesignation Request and Limited Maintenance Plan for the Nevada Side of the Lake Tahoe Basin, dated October 2003, adopted by the State Environmental Commission on September 18, 2003.

(1) Attainment year (2001) emissions inventory, monitoring network and verification of continued attainment, and contingency plan, including commitments to follow maintenance plan contingency procedures by the Nevada Division of Environmental Protection, the Tahoe Metropolitan Planning Organization, the Nevada Department of Transportation, and the Washoe County District Health Department.

(B) Letter of October 27, 2003, from the Nevada Division of Environmental Protection, transmitting the redesignation request and maintenance plan for the Lake Tahoe Nevada CO nonattainment area and including a State commitment to track CO concentrations and to adopt, submit as a SIP revision, and implement expeditiously any and all measures to achieve the level of CO emissions reductions needed to maintain the CO NAAQS in the event that an exceedance of the CO NAAQS is monitored, and to work with the involved jurisdictions to ensure that sufficient measures are adopted and implemented in a timely fashion to prevent a violation.

(C) Additional material—Addendum to the October 27, 2003 letter of transmittal of the redesignation request and maintenance plan: emissions projections for on-road motor vehicles through 2016.

(46) The following plan revision was submitted on March 20, 1996, by the Governor's designee.

(i) Incorporation by reference.

(A) Nevada Division of Environmental Protection.

(1) State of Nevada State Implementation Plan for an Enhanced Program for the Inspection and Maintenance of Motor Vehicles for Las Vegas Valley and Boulder City, Nevada, revised March 1996, transmitted by letter dated March 20, 1996, including the cover page through page 15, appendix 1 (only the Nevada attorney general's opinion and memorandum dated November 15, 1993 and June 29, 1994, respectively), and appendices 2 through 9.

(47) The following plan revision was submitted on August 9, 2000, by the Governor's designee.

(i) Incorporation by reference.

(A) Clark County Department of Air Quality Management.

(1) Carbon Monoxide State Implementation Plan, Las Vegas Valley Nonattainment Area, Clark County, Nevada, August 2000, adopted on August 1, 2000, including the following sections within which certain exceptions are noted but excluding all sections not specifically cited: chapters 1 through 8 (with the exception of chapter 7, subsection 7.2.2, “Contingency Measures”); appendix A, “Emissions Inventory”, sections 1 through 7, and section 8—“Annexes” (with the exception of appendix E, “Quality Assurance/Quality Control”); appendix B, “Transportation Documentation”, section 1; appendix D, “Regulations, Policies and Public Participation Documentation”, section 1—“Cleaner Burning Gasoline (CBG) Regulations and Supporting Documentation” (with the exception of District Board of Health of Clark County Air Pollution Control Regulations section 54 as adopted on April 22, 1999), section 2, section 3, section 4—“Nevada Administrative Code, Chapter 445B: Technician Training and Licensing” (with the exception of NAC 445B.485–445B.487, 445B.489–445B.493, and 445B.495–445B.498), and sections 5 through 9; and appendix E, “Supplemental Technical Support Documentation”, sections 1 through 4, and 7.

(48) The following plan revision was submitted on January 30, 2002 by the Governor's designee.

(i) Incorporation by reference.

(A) Nevada Division of Environmental Protection.

(1) New or amended regulations implementing Nevada's vehicle inspection and maintenance program in Las Vegas Valley and Boulder City: Nevada Administrative Code, chapter 445B, sections 445B.400–445B.774 (i.e., “Emissions from Engines”), including the sections under the subheadings “General Provisions,” “Facilities for Inspection and Maintenance,” “Inspectors,” “Exhaust Gas Analyzers,” “Control of Emissions: Generally” [excluding sections 445B.576–445B.578, and excluding section 445B.594 (“Inspections required in Washoe County”)], “Restored Vehicles,” “Miscellaneous Provisions,” but excluding the sections under the subheading “Control of Emissions: Heavy-Duty Motor Vehicles” (i.e., sections 445B.737–445B.774), codification as of February 2002 by the Legislative Counsel Bureau.

(ii) Additional material.

(A) Nevada Division of Environmental Protection.

(1) NV2000 Analyzer Electronic Data Transmission Equipment Specifications (June 15, 2000), revision 5, November 8, 2000.

(49) The following plan revisions were submitted on June 4, 2002 by the Governor's designee.

(i) Incorporation by reference.

(A) Nevada Division of Environmental Protection.

(1) New or amended statutes related to Nevada's vehicle inspection and maintenance program in Las Vegas Valley and Boulder City, as amended through the 2001 Legislative sessions: Nevada Revised Statutes, title 40, chapter 445B, sections 445B.210, 445B.700, 445B.705, 445B.710, 445B.715, 445B.720, 445B.725, 445B.730, 445B.735, 445B.740, 445B.745, 445B.750, 445B.755, 445B.758, 445B.760, 445B.765, 445B.770, 445B.775–445B.778, 445B.780, 445B.785, 445B.790, 445B.795, 445B.798, 445B.800, 445B.805, 445B.810, 445B.815, 445B.820, 445B.825, 445B.830, 445B.832, 445B.834, 445B.835, 445B.840, and 445B.845, and title 43, chapter 482, section 482.461, transmitted by letter dated June 4, 2002.

(2) New regulation establishing the State's low Reid Vapor Pressure wintertime requirement for gasoline sold in Clark County: Nevada Administrative Code, chapter 590, section 590.065 as adopted on October 28, 1998 (made effective December 14, 1998) by the State Board of Agriculture.

(3) Regulation R017–02, adopted on March 8, 2002 by the Nevada State Environmental Commission: New or amended rules in Chapter 445B of the Nevada Administrative Code removing the limitation on applicability of, and removing the restrictive trigger for effectuating the implementation of, the on-board diagnostics systems test for Nevada's vehicle inspection and maintenance program.

(ii) Additional material.

(A) Nevada Division of Environmental Protection.

(1) Contract between Nevada Department of Motor Vehicles and MD LaserTech for on-road testing services, dated January 15, 2002.

(50) The following plan revision was submitted on September 9, 2003 by the Governor's designee.

(i) Incorporation by reference.

(A) Nevada Division of Environmental Protection.

(1) New or amended statutes related to Nevada's vehicle inspection and maintenance program in Las Vegas Valley and Boulder City, as amended through the 2001 Legislative sessions: Nevada Revised Statutes, title 43, chapter 481, sections 481.019, 481.023, 481.027, 481.031, 481.035, 481.043, 481.047, 481.0473, 481.0475, 481.0477, 481.048, 481.0481, 481.051, 481.052, 481.055, 481.057, 481.063, 481.065, 481.079, 481.081, 481.082, 481.083, 481.085, and 481.087; title 43, chapter 482, sections 482.155, 482.160, 482.162, 482.165, 482.170, 482.171, 482.173, 482.175, 482.180, 482.1805, 482.181, 482.183, 482.186–482.188, 482.205, 482.206, 482.208, 482.210, 482.215, 482.216, 482.220, 482.225, 482.230, 482.235, 482.240, 482.245, 482.255, 482.260, 482.265–482.268, 482.270, 482.2703, 482.2705, 482.271, 482.2715, 482.2717, 482.272, 482.274, 482.275, 482.280, 482.2805, 482.2807, 482.281, 482.283, 482.285, 482.290, 482.385, and 482.565; and title 43, chapter 484, sections 484.644 and 484.6441, transmitted by letter dated September 9, 2003.

(51) The following plan revision was submitted on September 24, 2003 by the Governor's designee.

(i) Incorporation by reference.

(A) Nevada Division of Environmental Protection.

(1) Regulation R178–01, adopted on July 11, 2002 by the Nevada Department of Motor Vehicles (and made effective August 21, 2002): New or amended rules in Chapter 445B of the Nevada Administrative Code establishing on-board diagnostics systems test procedures for Nevada's vehicle inspection and maintenance program.

(52) The following plan revision was submitted on November 10, 2003 by the Governor's designee.

(i) Incorporation by reference.

(A) Clark County Department of Air Quality Management.

(1) New or amended Section 53—Oxygenated Gasoline Program, and Section 54—Cleaner Burning Gasoline (CBG): Wintertime Program, adopted on May 20, 2003 (made effective June 3, 2003).

(53) The following plan revision was submitted on October 23, 2003, by the Governor's designee.

(i) Incorporation by reference.

(A) Clark County Department of Air Quality and Environmental Management.

(1) New or amended rules adopted on October 7, 2003 by the Clark County Board of County Commissioners: Clark County Air Quality Regulations section 0 (Definitions), section 11 (Ambient Air Quality Standards), section 12 (Preconstruction Review for New or Modified Stationary Sources), excluding subsection 12.2.18 and 12.2.20, section 58 (Emission Reduction Credits), and section 59 (Emission Offsets), excluding subsection 59.2 (“Local Offset Requirements”).

(54) The following plan revision was submitted on November 20, 2003 by the Governor's designee.

(i) Incorporation by reference.

(A) Nevada Division of Environmental Protection.

(1) Nevada Administrative Code section 445B.22083, adopted March 3, 1994 (effective March 29, 1994), by the State Environmental Commission.

(55) [Reserved]

(56) The following regulations and statutes were submitted on January 12, 2006, by the Governor's designee.

(i) Incorporation by reference.

(A) Nevada Division of Environmental Protection.

(1) The following sections of the Nevada Air Quality Regulations were adopted on the dates listed below and recodified as Chapter 445B of the Nevada Administrative Code in November 1994:

(i) September 16, 1976: 445B.002, 445B.009, 445B.022, 445B.042, 445B.047, 445B.053, 445B.080, 445B.086, 445B.091, 445B.095, 445B.106, 445B.121, 445B.122, 445B.127, 445B.129, 445B.144, 445B.161, 445B.163, 445B.167, 445B.174, 445B.176, 445B.185, 445B.198, 445B.205, 445B.207, 445B.2204, and 445B.2209.

(ii) November 8, 1977: 445B.168.

(iii) September 12, 1978: 445B.125.

(2) The following sections of Chapter 445 of the Nevada Administrative Code were adopted on the dates listed below and recodified as Chapter 445B of the Nevada Administrative Code in November 1994:

(i) August 19, 1982: 445B.004 and 445B.060.

(ii) September 3, 1987: 445B.018, 445B.030, 445B.051, 445B.072, 445B.097, 445B.119, 445B.151, and 445B.209.

(iii) August 29, 1990: 445B.073.

(iv) November 18, 1991: 445B.135.

(v) November 3, 1993: 445B.055, 445B.056, and 445B.061.

(vi) March 3, 1994: 445B.075, 445B.103, 445B.109, and 445B.182.

(3) The following sections of Chapter 445B of the Nevada Administrative Code were adopted on the dates listed below:

(i) October 3, 1995: 445B.005, 445B.059, 445B.077, 445B.112, 445B.116, 445B.130, 445B.145, 445B.152, 445B.177, and 445B.180.

(ii) January 22, 1998: 445B.011, 445B.0425, and 445B.058.

(iii) September 9, 1999: 445B.22047.

(iv) May 10, 2001: 445B.113 and 445B.1135.

(v) September 18, 2001: 445B.006.

(vi) February 26, 2004: 445B.22067, 445B.2207, and 445B.22097.

(vii) August 19, 2004: 445B.001, 445B.211, 445B.22043, 445B.2205, and 445B.230.

[37 FR 10878, May 31, 1972]

Editorial Note: For Federal Register citations affecting §52.1470, see the List of CFR Sections Affected, which appears in the Finding Aids section of the printed volume and on GPO Access.

§ 52.1471 Classification of regions.
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The Nevada plan is evaluated on the basis of the following classifications:



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Pollutant
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Air quality control region Particulate Sulfur Nitrogen Carbon
matter oxides dioxide monoxide Ozone
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Las Vegas Intrastate...................................... I IA III I I
Northwest Nevada Intrastate............................... I III III III III
Nevada Intrastate......................................... IA IA III III III
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[45 FR 7545, Feb. 4, 1980]

§ 52.1472 Approval status.
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(a) With the exceptions set forth in this subpart, the Administrator approves Nevada's plan for the attainment and maintenance of the national standards under section 110 of the Clean Air Act.

(b) With the exceptions set forth in this subpart, the Administrator approves the plan with respect to Part D, Title I of the Clean Air Act, as amended in 1977, for the nonattainment areas listed in this paragraph.

(1) Mason Valley/Fernley Area for TSP.

(2) Lower Reese River Valley/Clovers Area for TSP.

(3) Carson Desert for TSP.

(4) Winnemucca Segment for TSP.

(5) Truckee Meadows for TSP and CO.

(6) Las Vegas Valley for TSP and CO.

(7) Lake Tahoe Basin for CO.

(c) With the exceptions set forth in this subpart, the Administrator approves the plan with respect to Part D, Title I of the Clean Air Act, as amended in the 1977, for the nonattainment areas listed in this paragraph. In addition, continued satisfaction of the requirements of Part D for the ozone portion of the State Implementation Plan (SIP) depends on the adoption and submittal by January 1, 1981 of reasonably available control technology (RACT) requirements for sources covered by Control Technique Guidelines (CTG's) published between January 1978 and January 1979.

(1) Truckee Meadows for O3.

(2) Las Vegas Valley for O3.

[46 FR 21766, Apr. 14, 1981, as amended at 47 FR 27069, June 23, 1982]

§ 52.1473 General requirements.
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(a) The requirements of §51.116(c) of this chapter are not met in Washoe County, since the plan does not provide procedures for making emission data, as correlated with allowable emissions, available to the public. In addition, Chapter 020.065 of the “Air Pollution Control Regulations” of the District Board of Health of Washoe County in the Northwest Nevada Intrastate Region is disapproved since it contains provisions which restrict the public availability of emission data as correlated with applicable emission limitations and other control measures.

(b) Regulation for public availability of emission data. (1) Any person who cannot obtain emission data from the Agency responsible for making emission data available to the public, as specified in the applicable plan, concerning emissions from any source subject to emission limitations which are part of the approved plan may request that the appropriate Regional Administrator obtain and make public such data. Within 30 days after receipt of any such written request, the Regional Administrator shall require the owner or operator of any such source to submit information within 30 days on the nature and amounts of emissions from such source and any other information as may be deemed necessary by the Regional Administrator to determine whether such source is in compliance with applicable emission limitations or other control measures that are part of the applicable plan.

(2) Commencing after the initial notification by the Regional Administrator pursuant to paragraph (b)(1) of this section, the owner or operator of the source shall maintain records of the nature and amounts of emissions from such source and any other information as may be deemed necessary by the Regional administrator to determine whether such source is in compliance with applicable emission limitations or other control measures that are part of the plan. The information recorded shall be summarized and reported to the Regional Administrator, on forms furnished by the Regional Administrator, and shall be submitted within 45 days after the end of the reporting period. Reporting periods are January 1–June 30 and July 1–December 31.

(3) Information recorded by the owner or operator and copies of this summarizing report submitted to the Regional Administrator shall be retained by the owner or operator for 2 years after the date on which the pertinent report is submitted.

(4) Emission data obtained from owners or operators of stationary sources will be correlated with applicable emission limitations and other control measures that are part of the applicable plan and will be available at the appropriate regional office and at other locations in the state designated by the Regional Administrator.

[37 FR 10878, May 31, 1972, as amended at 37 FR 15086, July 27, 1972; 38 FR 12708, May 14, 1973; 40 FR 55331, Nov. 28, 1975; 43 FR 1342, Jan. 24, 1978; 51 FR 40676, Nov. 7, 1986]

§ 52.1474 Part D conditional approval.
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(a) The following portions of the Nevada SIP contain deficiencies with respect to Part D of the Clean Air Act which must be corrected within the time limit indicated.

(1)–(4) [Reserved]

[46 FR 21766, Apr. 14, 1981, as amended at 47 FR 15792, Apr. 13, 1982; 47 FR 27069, June 23, 1982; 49 FR 6900, Feb. 24, 1984]

§ 52.1475 Control strategy and regulations: Sulfur oxides.
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(a) The requirements of subpart G of this chapter are not met since the plan does not adequately provide for attainment and maintenance of the National Ambient Air Quality Standards for sulfur oxides in the Nevada Intrastate Region.

(b) Article 8.1.3 of Nevada's “Air Quality Regulations” (emission limitation for sulfur from existing copper smelters), which is part of the sulfur oxides control strategy, is disapproved since it does not provide the degree of control needed to attain and maintain the National Ambient Air Quality Standards for sulfur oxides in the Nevada Intrastate Region.

(c) Regulation for control of fugitive sulfur oxides emissions (Nevada Intrastate Region). (1) The owner or operator of the Kennecott Copper Company smelter located in White Pine County, Nevada, in the Nevada Intrastate Region shall utilize best engineering techniques for reducing escape of pollutants to the atmosphere and to capture sulfur oxides emissions and vent them through a stack or stacks. Such techniques shall include, but not be limited to:

(i) Installing and operating hoods on all active matte tapholes, matte launders, slag skim bays, slag handling operations, and holding ladles on each reverberatory furnace;

(ii) Installing tight fitting hoods on each active converter and operating such hoods except during pouring and charging operations;

(iii) Maintaining all ducts, flues, and stacks in a leak-free condition;

(iv) Maintaining all reverberatory furnaces and converters under normal operating conditions in such a fashion that out-leakage of gases will be prevented to the maximum extent possible;

(v) Wherever feasible, ducting emissions through the tallest stack or stacks serving the facility; and

(vi) Wherever feasible, passing the effluents from all hooding through the tallest stack or stacks serving the facility.

(2) (i) If the owner or operator of the smelter subject to this paragraph is not in compliance with the provisions of paragraph (c)(1) of the section the following compliance schedule shall apply:

(a) 30 days after the effective date of this regulation. Let contracts or issue purchase orders for hoods and flues for control of fugitive sulfur oxides emissions or provide evidence that such contracts have been let.

(b) July 1, 1975. Initiate on-site construction and/or installation of emission control equipment.

(c) July 1, 1976. Complete on-site construction and/or installation of emission control equipment.

(d) January 1, 1977. Achieve final compliance with requirements of paragraph (c)(1) of this section.

(ii) The owner or operator of the smelter subject to the requirements of this paragraph shall certify to the Administrator within five days after the deadline for each increment of progress, whether or not the required increment of progress has been met.

(iii) If the source subject to this paragraph is presently in compliance with the requirements of paragraph (c)(1) of this section, the owner or operator of such source may certify such compliance to the Administrator within thirty (30) days of the effective date of this paragraph. If such certification is acceptable to the Administrator, the applicable requirements of this paragraph shall not apply to the certifying source. The Administrator may request whatever supporting information he considers necessary to determine the validity of the certification.

(3) The owner or operator of the smelter subject to this paragraph may submit to the Administrator, no later than thirty (30) days after the effective date of this paragraph, a proposed alternative compliance schedule. No such compliance schedule may provide for final compliance after January 1, 1977. If approved by the Administrator, such schedule shall satisfy the compliance schedule requirements of this paragraph for the affected source.

(d) Regulation for control of sulfur dioxide emissions (Nevada Intrastate Region). (1) The owner or operator of the Kennecott Copper Company smelter located in White Pine County, Nevada, in the Nevada Intrastate Region shall comply with all the requirements of this paragraph, except as provided in paragraph (e) of this section.

(2) (i) After July 31, 1977, the owner or operator of the smelter subject to this paragraph shall not discharge or cause the discharge of sulfur dioxide into the atmosphere in excess of 10,150 pounds per hour (4,603 kg/hr.) maximum 6-hour average as determined by the method specified in paragraph (d)(4) of this section.

(ii) The limitation specified in paragraph (d)(2)(i) of this section shall apply to the sum total of sulfur dioxide emissions from the smelter processing units and sulfur oxides control and removal equipment, but not including uncaptured fugitive emissions and those emissions due solely to the use of fuel for space heating or steam generation.

(3) (i) The owner or operator of the smelter to which this paragraph is applicable shall, no later than 30 days following the effective date of this paragraph, submit to the Administrator for approval a proposed compliance schedule that demonstrates compliance with paragraph (d)(2) of this section as expeditiously as practicable but not later than July 31, 1977.

(ii) The compliance schedule submitted to the Administrator pursuant to paragraph (d)(3)(i) of this section shall provide for increments of progress toward compliance. The dates for achievement of such increments of progress shall be specified. Increments of progress shall include, but not be limited to, the following:

(a) Submittal of final control plan to the Administrator for meeting the requirements of paragraph (d)(2) of this section.

(b) Letting of necessary contracts or process changes, or issuance of orders for the purchase of component parts, to accomplish emission control or process modification;

(c) Initiation of on-site construction or installation of emission control equipment or process modification;

(d) Completion of on-site construction or installation of emission control equipment or process modification;

(e) Full compliance with the requirements of paragraph (d)(2) of this section.

(iii) The owner or operator of the smelter subject to the requirements of this subparagraph shall certify to the Administrator within five days after the deadline for each increment of progress, whether or not the required increment of progress has been met.

(iv) Notice must be given to the Administrator at least 10 days prior to conducting a performance test to afford him the opportunity to have an observer present.

(v) If the source subject to this paragraph is currently in compliance with the requirement of paragraph (d)(2) of this section, the owner or operator of such source may certify such compliance to the Administrator within thirty (30) days of the effective date of this paragraph. If such certification is acceptable to the Administrator, the applicable requirements of this paragraph (d)(3) of this section shall not apply to the certifying source. The Administrator may request whatever supporting information he considers necessary to determine the validity of the certification.

(4)(i) The owner or operator of the smelter to which this paragraph is applicable shall install, calibrate, maintain, and operate a measurement system(s) for continuously monitoring sulfur dioxide emissions and stack gas volumetric flow rates in each stack which emits 5 percent or more of the total potential (without emission controls) hourly sulfur oxides emissions from the source. For the purpose of this paragraph, “continuous monitoring” means the taking and recording of at least one measurement of sulfur dioxide concentration and stack gas flow rate reading from the effluent of each affected stack in each 15-minute period.

(ii) Within nine months after the effective date of this paragraph, and at other such times in the future as the Administrator may specify, the sulfur dioxide concentration measurement system(s) installed and used pursuant to this paragraph shall be demonstrated to meet the measurement system performance specifications prescribed in Appendix D to this part.

(iii) Within nine months after the effective date of this paragraph, and at other such times in the future as the Administrator may specify, the stack gas volumetric flow rate measurement system(s) installed and used pursuant to this paragraph shall be demonstrated to meet the measurement system performance specifications prescribed in Appendix E to this part.

(iv) The Administrator shall be notified at least ten (10) days in advance of the start of the field test period required in Appendices D and E to this part to afford the Administrator the opportunity to have an observer present.

(v) The sampling point for monitoring emissions shall be in the duct at the centroid of the cross section if the cross sectional area is less than 4.647 m 2 (50 ft. 2 ) or at a point no closer to the wall than 0.914 m (3 ft.) if the cross sectional area is 4.647 m 2 (50 ft. 2 ) or more. The monitor sample point shall be in an area of small spatial concentration gradient and shall be representative of the concentration in the duct.

(vi) The measurement system(s) installed and used pursuant to this section shall be subjected to the manufacturer's recommended zero adjustment and calibration procedures at least once per 24-hour operating period unless the manufacturer specifies or recommends calibration at shorter intervals, in which case such specifications or recommendations shall be followed. Records of these procedures shall be made which clearly show instrument readings before and after zero adjustment and calibration.

(vii) Six-hour average sulfur dioxide emission rates shall be calculated in accordance with paragraph (d)(5) of this section, and recorded daily.

(viii) The owner or operator of the smelter subject to this paragraph shall maintain a record of all measurements required by this paragraph. Measurement results shall be expressed as pounds of sulfur dioxide emitted per six hour period. A 6-hour average value calculated pursuant to paragraph (d)(5)(i) of this section shall be reported as of each hour for the preceding 6-hour period. Results shall be summarized monthly and shall be submitted to the Administrator within fifteen (15) days after the end of each month. A record of such measurements shall be retained for at least two years following the date of such measurements.

(ix) The continuous monitoring and recordkeeping requirements of this paragraph shall become applicable nine months after the effective date of this regulation.

(5) (i) Compliance with the requirements of paragraph (d)(2) of this section shall be determined using the continuous measurement system(s) installed, calibrated, maintained and operated in accordance with the requirements of paragraph (d)(4) of this section. For all stacks equipped with the measurement system(s) required by paragraph (d)(4) of this section, a 6-hour average sulfur dioxide emission rate shall be calculated as of the end of each clock hour, for the preceding six hours, in the following manner:

(a) Divide each 6-hour period into 24 15-minute segments.

(b) Determine on a compatible basis a sulfur dioxide concentration and stack gas flow rate measurement for each 15-minute period for each affected stack. These measurements may be obtained either by continuous integration of sulfur dioxide concentration and stack gas flow rate measurements (from the respective affected facilities) recorded during the 15-minute period or from the arithmetic average of any number of sulfur dioxide concentration and stack gas flow readings equally spaced over the 15-minute period. In the later case, the same number of concentration readings shall be taken in each 15-minute period and the readings shall be similarly spaced within each 15-minute period.

(c) Calculate the arithmetic average (lbs SO2/hr) from all 24 emission rate measurements in each 6-hour period for each stack.

(d) Total the average sulfur dioxide emission rates for all affected stacks.

(ii) Notwithstanding the requirements of paragraph (d)(5)(i) of this section, compliance with the requirements of paragraph (d)(2) of this section shall also be determined by using the methods described below at such times as may be specified by the Administrator. For all stacks equipped with the measurement system(s) required by paragraph (d)(4) of this section, a 6-hour average sulfur dioxide emission rate (lbs SO2/hr) shall be determined as follows:

(a) The test of each stack emission rate shall be conducted while the processing units vented through such stack are operating at or above the maximum rate at which they will be operated and under such other conditions as the Administrator mayspecify.

(b) Concentrations of sulfur dioxide in emissions shall be determined by using Method 8 as described in part 60 of this chapter. The analytical and computational portions of Method 8 as they relate to determination of sulfuric acid mist and sulfur trioxide as well as isokinetic sampling may be omitted from the over-all test procedure.

(c) Three independent sets of measurements of sulfur dioxide concentrations and stack gas volumetric flow rates shall be conducted during three 6-hour periods for each stack. Each 6-hour period will consist of three consecutive 2-hour periods. Measurements of emissions from all stacks on the smelter premises need not be conducted simultaneously. All tests must be completed within a 72-hour period.

(d) In using Method 8, traversing shall be conducted according to Method 1 as described in part 60 of this chapter. The minimum sampling volume for each two hour test shall be 40 ft 3 corrected to standard conditions, dry basis.

(e) The volumetric flow rate of the total effluent from each stack evaluated shall be determined by using Method 2 as described in part 60 of this chapter and by traversing according to Method 1. Gas analysis shall be performed by using the integrated sample technique of Method 4 as described inpart 60 of this chapter except that stack gases arising only from a sulfuric acid production unit may be considered to have zero moisture content.

(f) The gas sample shall be extracted at a rate proportional to the gas velocity at the sampling point.

(g) For each two hour test period, the sulfur dioxide emission rate for each stack shall be determined by multiplying the stack gas volumetric flow rate (ft 3 /hr at standard conditions, dry basis) by the sulfur dioxide concentration (lb/ft 3 at standard conditions, dry basis). The emission rate in lbs/hr-maximum 6-hour average for each stack is determined by calculating the arithmetic average of the results of the three 2-hour tests.

(h) The sum total of sulfur dioxide emissions from the smelter premises in lbs/hr is determined by adding together the emission rates (lbs/hr) from all stacks equipped with the measurement system(s) required by paragraph (d)(4) of this section.

(e) Alternate regulation for control of sulfur dioxide emissions (Nevada Intrastate Region). (1) The owner or operator of the Kennecott Copper Company smelter located in White Pine County, Nevada, in the Nevada Intrastate Air Quality Control Region may apply to the Administrator for approval to meet the requirements of this paragraph. Upon such approval, granted pursuant to paragraph (e)(3) of this section, the requirements of paragraph (d) shall not be applicable during the period of such approval, and all requirements of this paragraph shall apply.

(2) All terms used in this paragraph but not specifically defined below shall have the meaning given them in the Act, part 51 or §52.01 of this chapter.

(i) The term “supplementary control system” means any system which limits the amount of pollutant emissions during periods when meteorological conditions conducive to ground-level concentrations in excess of national standards exist or are anticipated.

(ii) The term “ambient air quality violation” means any single ambient concentration of sulfur dioxide that exceeds any National Ambient Air Quality Standard for sulfur dioxide at any point in a designated liability area, as specified in paragraph(e)(8) of this section.

(iii) The term “isolated source” means a source that will assume legal responsibility for all violations of the applicable national standards in its designated liability area, as specified in paragraph (e)(8) of this section.

(iv) The term “designated liability area” means the geographic area within which emissions from a source may significantly affect the ambient air quality.

(3)(i) The application for permission to comply with this paragraph shall be submitted to the Administrator no later than sixty (60) days following the effective date of this paragraph and shall include the following:

(a) A short description of the type and location of the smelter; the process, equipment, raw materials and fuels used; the stacks employed; and emissions to the atmosphere from various points on the smelter premises.

(b) A general description and the location of other sources of air pollution and of the uses of land, and the topography in the vicinity of the smelter.

(c) A summary of all ambient air quality data in the vicinity of the smelter collected by or under contract to smelter.

(d) A description of the methods of constant emission reduction that are or will be applied and the degree of emission reduction achieved or expected due to their application.

(e) A description of the investigations that the owner or operator has made, and the results thereof, as to the availability of constant emission reduction methods that would meet the requirements of paragraph (d)(2) of this section and a discussion of the reasons why anypotentially available methods cannot reasonably be used.

(f) A specific description of the research, investigations, or demonstrations that the owner or operator will conduct or support for the purpose of developing constant emission reduction technology applicable to the smelter. Such description shall include the resources to be committed, qualifications of the participants, a description of the facilities to be utilized and milestone dates.

(g) A detailed description of all other measures the owner or operator will apply, in addition to those described in paragraph (e)(3)(i)(d) of this section, to provide for attainment and maintenance of the air quality standards. These measures include but need not be limited to supplementary control systems, tall stacks and other dispersion techniques. Each measure to be applied shall be described in sufficient detail to allow the Administrator to determine its effectiveness in reducing ambient concentrations.

(h) A written commitment by the owner or operator of the source subject to this paragraph agreeing to assume liability for all violations of National Ambient Air Quality Standards within the designated liability area.

(i) Such other pertinent information as the Administrator may require.

(ii) Upon receipt of the information specified in paragraph (e)(3)(i) of this section, and after making a determination of its adequacy, the Administrator promptly shall, after thirty (30) days notice, conduct a public hearing on the application submitted by the owner or operator. The Administrator shall make available to the public the information contained in the application. Within thirty (30) days after the hearing, the Administrator shall notify the owner or operator of the smelter and other interested parties of his decision as to whether to grant or deny the application. If he denies the application, he will set forth his reasons. If he approves the application the owner or operator shall comply with all provisions of paragraph (e) of this section and need not comply with provisions of paragraph (d) of this section except as provided in paragraph (e)(16) of this section.

(iii) Approval of the application to abide by the provisions of paragraph (e) will be granted if it can be satisfactorily demonstrated to the Administrator that control measures in addition to the available constant emission controls are required and if the specific measures submitted pursuant to paragraph (e)(3)(i)(g) of this section will provide for the attainment and maintenance of the National Ambient Air Quality Standards.

(4)(i) The owner or operator of the smelter subject to this paragraph shall not discharge or cause the discharge of sulfur dioxide into the atmosphere in excess of:

(a) 2,600 parts per million-maximum 6-hour average, from any single absorption sulfuric acid producing facility designed for the removal of sulfur dioxide, as determined by the method specified in paragraph (e)(6) (i) or (iii) of this section,and

(b) 29,000 pounds per hour (13,154 kg/hr) maximum 6-hour average, as determined by the method specified in paragraph (e)(6) (ii) or (iv) of this section. Such limitation shall apply to the sum total of sulfur dioxide emissions from the smelter processing units and sulfur oxides control and removal equipment but not including uncaptured fugitive emissions and those emissions due solely to use of fuel for space heating or steam generation.

(ii) All emissions from the converters, with the exception of the uncaptured fugitive emissions, shall be processed through a facility for the removal of sulfur dioxide which meets the requirements of paragraph (e)(4)(i)(a) of this section.

(5) (i) The owner or operator of the smelter to which this paragraph is applicable shall install, calibrate, maintain and operate a measurement system(s) for continuously monitoring sulfur dioxide emissions and stack gas volumetric flow rates in each stack which emits 5 percent or more of the total potential (without emission controls) hourly sulfur oxide emissions from the source. For the purpose of this paragraph, “continuous monitoring” means taking and recording of at least one measurement of sulfur dioxide concentration and stack gas flow rate reading from the effluent of each affected stack in each 15-minute period.

(ii) No later than the date specified in paragraph (e)(14)(i)(b)(5) of this section and at such other times in the future as the Administrator may reasonably specify, the sulfur dioxide concentration measurement system(s) installed and used pursuant to this paragraph shall be demonstrated to meet the measurement system performance specifications prescribed in Appendix D to this part.

(iii) No later than the date specified in paragraph (e)(14)(i)(b)(5) of this section and at such other times in the future as the Administrator may reasonably specify, the stack gas volumetric flow rate measurement system(s) installed and used pursuant to this paragraph shall be demonstrated to meet the measurement system performance specifications prescribed in Appendix E to this part.

(iv) The Administrator shall be notified at least 10 days in advance of the start of the field test period required in Appendices D and E to this part to afford the Administrator the opportunity to have an observer present.

(v) The sampling point for monitoring emissions shall be in the duct at the centroid of the cross section if the cross sectional area is less than 4.647 m 2 (50 ft 2 ) or at a point no closer to the wall than 0.914 m (3 ft) if the cross sectional area is 4.647 m 2 (50 ft 2 ) or more. The monitor sample point shall be an area of small spatial concentration gradient and shall be representative of the concentration in the duct.

(vi) The measurement system(s) installed and used pursuant to this section shall be subjected to the manufacturer's recommended zero adjustment and calibration procedures at least once per 24-hour operating period unless the manufacturer specifies or recommends calibration at shorter intervals, in which case such specifications or recommendations shall be followed. Records of these procedures shall be made which clearly show instrument readings before and after zero adjustment and calibration.

(vii) Six-hour average sulfur dioxide concentration and emission rates shall be calculated in accordance with paragraph (e)(6) of this section and recorded daily.

(viii) The owner or operator of the smelter subject to this paragraph shall maintain a record of all measurements required by this paragraph. Measurement results shall be expressed in the units prescribed by the emission limitations in paragraph (e)(4) of this section. Six-hour average values calculated pursuant to paragraphs (e)(6) (i) and (ii) of this section shall be reported as of each hour for the preceding six hours. The results shall be summarized monthly and shall be submitted to the Administrator within fifteen (15) days of the end of each month. A record of such measurements shall be retained for at least two years following the date of such measurements.

(6)(i) Compliance with the requirements of paragraph (e)(4)(i)(a) of this section shall be determined using the continuous measurements system(s) installed, calibrated, maintained and operated in accordance with the requirements of paragraph (e)(5) of this section. For the stack(s) equipped with the measurement system(s) required by paragraph (e)(5) of this section and serving the sulfur dioxide removal device a 6-hour average sulfur dioxide concentration shall be calculated as of the end of each clock hour for the preceding six hours, in the following manner:

(a) Divide each 6-hour period into twenty-four 15-minute segments.

(b) Determine on a compatible basis a sulfur dioxide concentration measurement for each 15-minute period. These measurements may be obtained either by continuous integration of all measurements (from the respective affected facility) recorded during the 15-minute period or from the arithmetic average of any number of sulfer dixide concentration redings equally spaced over the 15-minute period. In the latter case, the same number of concentration readings shall be taken in each 15-minute period and the readings shall be similarly spaced within each 15-minute period.

(c) Calculate the arithmetic average of all 24 concentration measurements in each 6-hour period.

(ii) Compliance with the requirements of paragraph (e)(4)(i)(b) of this section shall be determined using the continuous measurement system(s) installed, calibrated, maintained and operated in accordance with the requirements of paragraph (e)(5) of this section. For all stacks equipped with the measurement system(s) required by paragraph (e)(5) of this section, a 6-hour average sulfur dioxide emission rate shall be calculated as of the end of each clock hour for the preceding six hours, in the following manner:

(a) Divide each 6-hour period into twenty-four 15-minute segments.

(b) Determine on a compatible basis a sulfur dioxide concentration and stack gas flow rate measurement for each 15-minute period for each affected stack. These measurements may be obtained either by continuous integration of sulfur dioxide concentrations and stack gas flow rate measurements (from the respective affected facilities) recorded during the 15-minute period or from the arithmetic average of any number of sulfur dioxide concentration and stack gas flow rate readings equally spaced over the 15-minute period. In the latter case, the same number of concentration readings shall be taken in each 15-minute period and the readings shall be similarly spaced within each 15-minute period.

(c) Calculate the arithmetic average (lbs SO2/hr) of all 24 emission rate measurements in each 6-hour period for each stack.

(d) Total the average sulfur dioxide emission rates for all affected stacks.

(iii) Notwithstanding the requirements of paragraph (e)(6)(i) of this section, compliance with the requirements of paragraph (e)(4)(i)(a) of this section shall also be determined by using the methods described below at such times as may be specified by the Administrator. For each stack serving any process designed for the removal of sulfur dioxide a 6-hour average sulfur dioxide concentration shall be determined as follows:

(a) The test of each stack emission concentration shall be conducted while the processing units vented through such stack are operating at or above the maximum rate at which such will be operated and under such other conditions as the Administrator may specify.

(b) Concentrations of sulfur dioxide in emissions shall be determined by using Method 8 as described in part 60 of this chapter. The analytical and computational portions of Method 8 as they relate to determination of sulfuric acid mist and sulfur trioxide as well as isokinetic sampling may be omitted from the over-all test procedure.

(c) Three independent sets of measurements of sulfur dioxide concentration shall be conducted during three 6-hour periods of each stack. Each 6-hour period will consist of three consecutive 2-hour periods. Measurements of emissions from all stacks on the smelter premises need not be conducted simultaneously. All tests must be completed within a 72-hour period. (continued)