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Environmental Protection Agency Vol. 77 Wednesday, No. 234 December 5, 2012 Part III Environmental Protection Agency 40 CFR Part 52 Approval, Disapproval and Promulgation of Air Quality Implementation Plans; Arizona; Regional Haze State and Federal Implementation Plans; Final Rule VerDate Mar<15>2010 18:49 Dec 04, 2012 Jkt 229001 PO 00000 Frm 00001 Fmt 4717 Sfmt 4717 E:\FR\FM\05DER3.SGM 05DER3 srobinson on DSK4SPTVN1PROD with 72512 Federal Register / Vol. 77, No. 234 / Wednesday, December 5, 2012 / Rules and Regulations ENVIRONMENTAL PROTECTION http://www.regulations.gov or in hard (14) The initials CEMS mean or refer AGENCY copy at EPA Region 9, 75 Hawthorne to continuous emission monitoring Street, San Francisco, California. Please system. 40 CFR Part 52 note that while many of the documents (15) The term Cholla refers to Cholla in the docket are listed at http:// Power Plant. [EPA–R09–OAR–2012–0021, FRL–9754–3] www.regulations.gov, some information (16) The term Class I area refers to a 1 Approval, Disapproval and may not be specifically listed in the mandatory Class I Federal area. Promulgation of Air Quality index to the docket and may be publicly (17) The term coal-fired BART units Implementation Plans; Arizona; available only at the hard copy location refers to Apache Generating Station Regional Haze State and Federal (e.g., copyrighted material, large maps, Units 2 and 3; Cholla Power Plant Units Implementation Plans multi-volume reports or otherwise 2, 3 and 4 and Coronado Generating voluminous materials), and some may Station Units 1 and 2. AGENCY: Environmental Protection not be available at either locations (e.g., (18) The initials COFA mean or refer Agency (EPA). confidential business information). To to close-coupled overfire air. (19) The term Coronado refers to ACTION: Final rule. inspect the hard copy materials, please schedule an appointment during normal Coronado Generating Station. SUMMARY: EPA is taking final action to business hours with the contact listed (20) The initials CY mean or refer to approve in part and disapprove in part directly below. Calendar Year. a portion of Arizona’s State (21) The initials EGU mean or refer to FOR FURTHER INFORMATION CONTACT: Electric Generating Unit. Implementation Plan (SIP) submittal for Thomas Webb, U.S. EPA, Region 9, its regional haze program and to (22) The initials ESPs mean or refer to Planning Office, Air Division, Air-2, 75 electrostatic precipitators. promulgate a Federal Implementation Hawthorne Street, San Francisco, CA Plan (FIP) for the disapproved elements (23) The words EPA, we, us or our 94105. Thomas Webb can be reached at mean or refer to the United States of the SIP. The State and Federal plans telephone number (415) 947–4139 and are to implement the regional haze Environmental Protection Agency. via electronic mail at (24) The initials FGD mean or refer to program in Arizona for the first [email protected]. flue gas desulfurization. planning period through 2018. This SUPPLEMENTARY INFORMATION: (25) The initials FGR mean or refer to final rule addresses only the portion of flue gas recirculation. the SIP related to Arizona’s Throughout this document, wherever ‘‘we,’’ ‘‘us,’’ or ‘‘our,’’ is used, we mean (26) The initials FIP mean or refer to determination of Best Available Retrofit Federal Implementation Plan. Technology (BART) to control emissions the United States Environmental Protection Agency (EPA). (27) The initials FLMs mean or refer from eight units at three electric to Federal Land Managers. generating stations: Apache Generating Definitions (28) The initials FR mean or refer to Station, Cholla Power Plant and For the purpose of this document, we the Federal Register. Coronado Generating Station. Consistent are giving meaning to certain words or (29) The initials GEP mean or refer to with our proposal, EPA approves in this initials as follows: Good Engineering Practice. final rule the State’s determination that (1) The words or initials CAA or Act (30) The initials IMPROVE mean or the three sources are subject to BART, mean or refer to the Clean Air Act, refer to Interagency Monitoring of and approves the State’s emissions unless the context indicates otherwise. Protected Visual Environments limits for sulfur dioxide (SO2) and (2) The initials ACC refer to the monitoring network. particulate matter less than or equal to Arizona Corporation Commission. (31) The initials IWAQM mean or 10 micrometers (PM10) at all the units, (3) The initials ACCCE mean or refer refer to Interagency Workgroup on Air but disapproves Arizona’s BART to American Coalition for Clean Coal Quality Modeling. emissions limits for nitrogen oxides Electricity. (32) The initials IPM mean or refer to (NOX) at the coal-fired units of the three (4) The initials ADEQ mean or refer to Integrated Planning Model. power plants. We also are promulgating the Arizona Department of (33) The initials LNB mean or refer to a FIP that contains new emissions limits Environmental Quality. low-NOX burners. for NOX at these coal-fired units and (5) The initials AEPCO mean or refer (34) The initials LTS mean or refer to compliance schedules for to Arizona Electric Power Cooperative. Long-Term Strategy. implementation of BART as well as (6) The initials AFUDC mean or refer (35) The initials MMBtu mean or refer requirements for equipment to allowance for funds used during to Million British thermal units. maintenance, monitoring, recordkeeping construction. (36) The initials MW mean or refer to and reporting for all units and all (7) The term Apache refers to Apache megawatts. pollutants at the three sources. In Generating Station. (37) The initials MWh mean or refer today’s action, we are revising some (8) The initials APS mean or refer to to megawatt hours. elements of the proposed FIP in Arizona Public Service Company. (38) The initials NEI mean or refer to response to comments and additional (9) The words Arizona and State National Emission Inventory. information that we received. mean the State of Arizona. (39) The initials NH3 mean or refer to (10) The initials BART mean or refer ammonia. DATES: Effective date: This rule is to Best Available Retrofit Technology. (40) The initials NOX mean or refer to effective January 4, 2013. (11) The term BART units refers to nitrogen oxides. Compliance dates: The owners/ Apache Generating Station Units 1, 2 (41) The initials NP mean or refer to operators of each unit subject to this and 3; Cholla Power Plant Units 2, 3 and National Park. final rule shall comply by the dates 4 and Coronado Generating Station specified in the regulatory text. Units 1 and 2. 1 Although states and tribes may designate as ADDRESSES: EPA has established docket (12) The initials CBI mean or refer to Class I additional areas which they consider to have visibility as an important value, the requirements of number EPA–R09–OAR–2012–0021 for Confidential Business Information. the visibility program set forth in section 169A of this action. Generally, documents in the (13) The initials CCM mean or refer to the CAA apply only to ‘‘mandatory Class I Federal docket are available electronically at EPA’s Cost Control Manual. areas.’’ VerDate Mar<15>2010 18:49 Dec 04, 2012 Jkt 229001 PO 00000 Frm 00002 Fmt 4701 Sfmt 4700 E:\FR\FM\05DER3.SGM 05DER3 srobinson on DSK4SPTVN1PROD with Federal Register / Vol. 77, No. 234 / Wednesday, December 5, 2012 / Rules and Regulations 72513 (42) The initials NPRM mean or refer (72) The initials WEP mean or refer to emissions limits for NOX at all of the to Notice of Proposed Rulemaking. Weighted Emissions Potential. coal-fired BART units (i.e., all of the (43) The initials O&M mean or refer (73) The initials WFGD mean or refer BART units except for Apache Unit 1). to operation and maintenance. to wet flue gas desulfurization. We also proposed to disapprove the (44) The initials OC mean or refer to (74) The initials WRAP mean or refer compliance schedules and requirements organic carbon. to the Western Regional Air Partnership. for equipment maintenance and (45) The initials OFA mean or refer to Table of Contents operation, including monitoring, over fire air. recordkeeping and reporting (46) The initials PM mean or refer to I. Background requirements for BART at all of the particulate matter. A. Summary of Our Proposed Action BART units, since these were not (47) The initials PM mean or refer to B. Legal Basis for Our Final Action 10 II. Overview of Final Action included in the SIP submittal. particulate matter with an aerodynamic III. Final BART Determinations Proposed FIP: The proposed FIP diameter of less than 10 micrometers IV. EPA’s Responses to Comments contained BART emissions limits for (coarse particulate matter). A. General Comments on ADEQ’s NOX at all of the coal-fired BART units, (48) The initials PM2.5 mean or refer Approach to BART as well as compliance deadlines and to fine particulate matter with an B. Comments on ADEQ’s Individual BART requirements for equipment aerodynamic diameter of less than 2.5 Analyses and Determinations maintenance and operation, including C. General Comments on EPA’s BART FIP micrometers. monitoring, recordkeeping and (49) The initials PNG mean or refer to Analyses and Determinations D. Source-Specific Comments on EPA’s reporting, to ensure the enforceability of pipeline natural gas. BART Analyses and Determinations the BART limits for all of the BART (50) The initials ppm mean or refer to E. Comments on Enforceability units. Because our proposed FIP parts per million. Requirements in EPA’s BART FIP emission limits would likely result in (51) The initials PSD mean or refer to F. Comments on Legal Issues changes in stack conditions from those Prevention of Significant Deterioration.
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