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6111, Kareem Monib 202–502–6265, or at: (202) 564–7027, or by e-mail at: EPA currently compiles EPA-issued Ghanshyam Patel 202–502–6431. [email protected]. For technical NSPS and NESHAP applicability questions about the individual determinations, alternative monitoring Magalie R. Salas, applicability determinations or decisions, and regulatory Secretary. monitoring decisions, refer to the interpretations, and posts them on the [FR Doc. E6–6037 Filed 4–21–06; 8:45 am] contact person identified in the Applicability Determination Index (ADI) BILLING CODE 6717–01–P individual documents, or in the absence on a quarterly basis. In addition, the of a contact person, refer to the author ADI contains EPA-issued responses to of the document. requests pursuant to the stratospheric ENVIRONMENTAL PROTECTION SUPPLEMENTARY INFORMATION: ozone regulations, contained in 40 CFR AGENCY part 82. The ADI is an electronic index [FRL–8160–7] Background on the Internet with more than one The General Provisions to the NSPS thousand EPA letters and memoranda Recent Posting to the Applicability in 40 CFR part 60 and the NESHAP in pertaining to the applicability, Determination Index (ADI) Database 40 CFR part 61 provide that a source monitoring, recordkeeping, and System of Agency Applicability owner or operator may request a reporting requirements of the NSPS and Determinations, Alternative Monitoring determination of whether certain NESHAP. The letters and memoranda Decisions, and Regulatory intended actions constitute the may be searched by date, office of Interpretations Pertaining to Standards issuance, subpart, citation, and control of Performance for New Stationary commencement of construction, number or by string word searches. Sources, National Emission Standards reconstruction, or modification. EPA’s for Hazardous Air Pollutants, and the written responses to these inquiries are Today’s notice comprises a summary Stratospheric Ozone Protection broadly termed applicability of 95 such documents added to the ADI Program determinations. See 40 CFR 60.5 and on February 28, 2006. The subject, 61.06. Although part 63 NESHAP and author, recipient, date and header of AGENCY: Environmental Protection section 111(d) of the Clean Air Act each letter and memorandum are listed Agency (EPA). regulations contain no specific in this notice, as well as a brief abstract ACTION: Notice of availability. regulatory provision that sources may of the letter or memorandum. Complete request applicability determinations, SUMMARY: This notice announces copies of these documents may be EPA does respond to written inquiries obtained from the ADI through the applicability determinations, alternative regarding applicability for the part 63 monitoring decisions, and regulatory OECA Web site at: http://www.epa.gov/ and section 111(d) programs. The NSPS compliance/monitoring/programs/caa/ interpretations that EPA has made and NESHAP also allow sources to seek adi.html. under the New Source Performance permission to use monitoring or Standards (NSPS); the National recordkeeping which are different from Summary of Headers and Abstracts Emission Standards for Hazardous Air the promulgated requirements. See 40 Pollutants (NESHAP); and the CFR 60.13(i), 61.14(g), 63.8(b)(1), 63.8(f), The following table identifies the Stratospheric Ozone Protection and 63.10(f). EPA’s written responses to database control number for each Program. these inquiries are broadly termed document posted on the ADI database FOR FURTHER INFORMATION CONTACT: An alternative monitoring decisions. system on February 28, 2006; the electronic copy of each complete Furthermore, EPA responds to written applicable category; the subpart(s) of 40 document posted on the Applicability inquiries about the broad range of NSPS CFR part 60, 61, or 63 (as applicable) Determination Index (ADI) database and NESHAP regulatory requirements as covered by the document; and the title system is available on the Internet they pertain to a whole source category. of the document, which provides a brief through the Office of Enforcement and These inquiries may pertain, for description of the subject matter. We Compliance Assurance (OECA) Web site example, to the type of sources to which have also included an abstract of each at http://www.epa.gov/compliance/ the regulation applies, or to the testing, document identified with its control monitoring/programs/caa/adi.html. The monitoring, recordkeeping or reporting number after the table. These abstracts document may be located by date, requirements contained in the are provided solely to alert the public to author, subpart, or subject search. For regulation. EPA’s written responses to possible items of interest and are not questions about the ADI or this notice, these inquiries are broadly termed intended as substitutes for the full text contact Maria Malave at EPA by phone regulatory interpretations. of the documents.

ADI DETERMINATIONS UPLOADED ON FEBRUARY 24, 2006

Control Category Subpart Title

A050001 ...... Asbestos ...... M ...... Demolition of Residential Trailer Homes. M050030 ...... MACT ...... A, EEE ...... Stack Test Waiver for a Portland Cement Plant Kiln. M050036 ...... MACT ...... G ...... Alternative Monitoring of Orthoxylene Unit. M050037 ...... MACT ...... G ...... Waiver of Additional Performance Testing. M050038 ...... MACT ...... U ...... Alternative Reporting Period. M050039 ...... MACT ...... A ...... Waiver of Flare Performance Testing. M050040 ...... MACT ...... CC, G ...... Alternative Reporting Period. M050041 ...... MACT ...... CC ...... Alternative Reporting Period. M050042 ...... MACT ...... S ...... Alternative Test Method for Pulp and Paper Mill. M050043 ...... MACT ...... S, VVV ...... Cluster Rule Compliance Plan. M050044 ...... MACT ...... PPP, FFFF ...... Primary Product Determination for Production Vessels. M050045 ...... MACT ...... S ...... Cluster Rule Compliance Plan. M050046 ...... MACT ...... KK, QQQQ ...... Finishing of Architectural Elements.

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ADI DETERMINATIONS UPLOADED ON FEBRUARY 24, 2006—Continued

Control Category Subpart Title

M050047 ...... MACT ...... Hon R ...... C–12 Chemical Manufacturing Process Units. Z050007 ...... NESHAP ...... FF, V ...... Alternative Monitoring of Pressure/Vacuum Relief Valves. 0500048 ...... NSPS ...... D ...... Alternative Opacity Monitoring. 0500060 ...... NSPS ...... Db ...... Alternative Monitoring of Fluidized Catalytic Cracking Unit. 0500061 ...... NSPS ...... GG ...... Alternative Monitoring of Gas Turbines. 0500062 ...... NSPS ...... Db ...... Compliance Monitoring Plan for Gas-Fired Boiler. 0500063 ...... NSPS ...... J, Dc ...... Alternative Monitoring of Gasoline Loading Rack. 0500064 ...... NSPS ...... Dc ...... Alternative Recordkeeping of Fuel Usage. 0500065 ...... NSPS ...... Da ...... Alternative Monitoring of Duct Burners. 0500066 ...... NSPS ...... NNN ...... Alternative Monitoring of Catalytic Incinerators. 0500067 ...... NSPS ...... J ...... Alternative Monitoring of Gasoline Loading Rack. 0500068 ...... NSPS ...... J ...... Alternative Monitoring of Platformer Lock Hopper. 0500069 ...... NSPS ...... J ...... Alternative Monitoring of Vacuum Charge Heater. 0500070 ...... NSPS ...... J ...... Alternative Monitoring of Marine Dock Thermal Oxidizer. 0500071 ...... NSPS ...... Dc ...... Alternative Recordkeeping of Fuel Usage. 0500072 ...... NSPS ...... NNN ...... Alternative Monitoring of Distillation Units. 0500073 ...... NSPS ...... J ...... Alternative Monitoring of Fluidized Catalytic Cracking Unit. 0500074 ...... NSPS ...... J ...... Alternative Monitoring of Refinery Unit. 0500075 ...... NSPS ...... GG ...... Alternative Monitoring of New Replacement Turbine. 0500076 ...... NSPS ...... Db, GG, Dc ...... Custom Fuel Monitoring Schedule. 0500077 ...... NSPS ...... UUU ...... Kyanite Processing. 0500078 ...... NSPS ...... Db, GG ...... Alternative Monitoring of Gas Turbines. 0500079 ...... NSPS ...... GG, Db ...... Custom Fuel Monitoring Schedule. 0500080 ...... NSPS ...... GG, Db ...... Alternative Monitoring of Gas Turbines. 0500081 ...... NSPS ...... Da, GG ...... Alternative Monitoring of Gas Turbines. 0500082 ...... NSPS ...... Dc, GG ...... Alternative Monitoring of Gas Turbines. 0500083 ...... NSPS ...... Db ...... Alternative Opacity Monitoring. 0500084 ...... NSPS ...... UUU, WWW ...... Alternative Opacity Monitoring. 0500085 ...... NSPS ...... Da ...... Stack Testing Waiver. 0500086 ...... NSPS ...... WWW ...... Tier 2 Sampling. 0500087 ...... NSPS ...... WWW ...... Alternative Monitoring Proposals for Landfill. 0500088 ...... NSPS ...... CC ...... Alternative Opacity Monitoring. 0500089 ...... NSPS ...... RRR, NNN ...... Alternative Monitoring of Distillation Operations. 0500090 ...... NSPS ...... GG ...... Alternative Monitoring of Combustion Turbines. 0500091 ...... NSPS ...... Dc ...... Alternative Recordkeeping of Fuel Usage. 0500092 ...... NSPS ...... LL ...... Waiver of Visible Emission Test Requirements. 0500093 ...... NSPS ...... D ...... Alternative Opacity, SO2 , and NOX Monitoring. 0500094 ...... NSPS ...... Db ...... Alternative Monitoring Plan Modification Request. 0500095 ...... NSPS ...... WWW ...... Passive Flares and Waiver of Testing Requirements. 0500096 ...... NSPS ...... GG ...... Alternative Monitoring Plan for Gas Turbines. 0500097 ...... NSPS ...... WWW ...... Temporary Disconnection of Gas Collection Wells. 0500098 ...... NSPS ...... Cc ...... Tier 2 Testing Deadline. 0500099 ...... NSPS ...... Y, OOO ...... Initial Opacity Performance Testing. 0500100 ...... NSPS ...... Dc ...... Opacity Monitor Certification. 0500101 ...... NSPS ...... III, NNN ...... Waiver of Performance Test of Flare. 0500102 ...... NSPS ...... WWW ...... Waiver of Installation of Gas Collection Wells. 0500103 ...... NSPS ...... Db ...... Initial Performance Test Waiver and Recordkeeping Waiver. 0500104 ...... NSPS ...... Dc ...... Initial Opacity Performance Testing. 0500105 ...... NSPS ...... J ...... Alternative Monitoring of Refinery Fuel Gas Streams. 0500106 ...... NSPS ...... D ...... Alternative Span Value. 0500107 ...... NSPS ...... OOO ...... Waiver of Initial Performance Test for Baghouses. 0500108 ...... NSPS ...... Db ...... Alternative Opacity Monitoring. 0500109 ...... NSPS ...... H, T, U, V ...... Use of English Units for Monitoring and Recordkeeping. 0500110 ...... NSPS ...... XX ...... VRU Bypass During Diesel Loading. 0500111 ...... NSPS ...... UU ...... Alternative Opacity Monitoring and Performance Testing. 0500112 ...... NSPS ...... A, D, Db, Dc, Kb, Alternative Monitoring of Startups, Shutdowns, Malfunctions. DDD, III, NNN, RRR. 0500113 ...... NSPS ...... VV, Y, OOO ...... Alternative Monitoring for Leak Detection. 0500114 ...... NSPS ...... OOO, Y, Dc ...... Alternative Monitoring for Visible Emissions. 0500115 ...... NSPS ...... WWW, III, NNN ..... Alternative Monitoring of Surface Methane. 0500116 ...... NSPS ...... WWW ...... Landfill Testing and Emission Rate Calculation Issues. 0500117 ...... NSPS ...... WWW ...... Alternative Monitoring Plan for Landfill Gas. 0500118 ...... NSPS ...... CC ...... Alternative Opacity Monitoring. 0500119 ...... NSPS ...... XX, J ...... Re-Test Requirements After Adding Equipment. 0500120 ...... NSPS ...... TT ...... Alternative Test Method. 0500121 ...... NSPS ...... VV ...... Alternative Monitoring Plan for Leak Detection. 0500122 ...... NSPS ...... Db, Dc ...... Boiler Derate Proposal. 0500123 ...... NSPS ...... UUU ...... Alternative Monitoring Plan for Fluidized Bed Dryer. 0500124 ...... NSPS ...... GG ...... Modification of Initial Performance Testing. 0500125 ...... NSPS ...... J, A, I ...... Performance Test Extension Request. 0500126 ...... NSPS ...... J ...... Alternative Monitoring Plan for CEM Span Setting.

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ADI DETERMINATIONS UPLOADED ON FEBRUARY 24, 2006—Continued

Control Category Subpart Title

0500127 ...... NSPS ...... J ...... Alternative Monitoring Plan for Refinery Unit. 0500128 ...... NSPS ...... J ...... Alternative Monitoring Plan for Refinery Unit. 0500129 ...... NSPS ...... J ...... Alternative Monitoring Plan for Refinery Combustion Unit. 0500130 ...... NSPS ...... J ...... Alternative Monitoring Plan for Refinery Unit. 0500131 ...... NSPS ...... J ...... Alternative Monitoring Plan for Vent Gas Stream. 0500132 ...... NSPS ...... NNN, RRR ...... Alternative Opacity Monitoring. 0500133 ...... NSPS ...... NNN, RRR ...... Alternative Monitoring Plan for Distillation Units. 0500134 ...... NSPS ...... B ...... Alternative Performance Specification Procedure. 0500135 ...... NSPS ...... Db ...... Alternative Monitoring Plan for Cogeneration Unit. 0500136 ...... NSPS ...... NNN ...... SOCMI Distillation Operations. 0500137 ...... NSPS ...... J ...... Fuel Gas Combustion Devices and Process Gas Exemption. 0500138 ...... NSPS ...... J ...... Fuel Gases and Fuel Gas Combustion Devices.

Abstracts Abstract for [0500060] The plan that Koch Fuels (FHR’s former name) submitted included all of the Abstract for [A050001] Q: Does EPA approve a request to discontinue calibrating a carbon information required by 40 CFR Q1: Are trailer homes with different monoxide continuous emission monitor 60.49b(c)(1), (2) and (3). Based upon a owners located in the state of Delaware (CEM) with a 1,000-ppmv span gas for review of the information that the that are recycled using two different a fluid catalytic cracking unit, under 40 company submitted, EPA approves the processes through the Delaware Solid CFR part 60, subpart Db, at Flint Hill proposed compliance monitoring plan Waste Authority subject to 40 CFR part Resources Pine Bend petroleum refinery under NSPS subpart Db. 61, subpart M? A1: No. 40 CFR part 61, subpart M, in Rosemount, Minnesota? Abstract for [Z050007] A: Yes. EPA approves this request the asbestos NESHAP regulation, does because, based on information Q: Does EPA approve an alternative not apply to demolition of single submitted to EPA, Flint Hills Resources monitoring plan, under 40 CFR part 61, residential trailer homes because they meets the criteria for the exemption set subparts V and FF, for pressure/vacuum are classified as single dwelling units forth at 40 CFR 60.105(a)(2)(ii). relief valves in the wastewater treatment and ownership remains with the trailer However, a State permit requires the plant tanks and oil-water separator owner, not the state. A single dwelling facility to calibrate its carbon monoxide located at Flint Hills Resources (FHR) unit that is being demolished is exempt continuous emission monitor with a 100 petroleum refinery in Rosemount, from the NESHAP regulation throughout ppmv span gas. Minnesota? the entire recycling process. However, when two or more residential homes are Abstract for [0500061] A: Yes. EPA concludes that the pressure/vacuum relief valves function located at the same demolition site and Q1: Does EPA waive the multi-load are under control of the same owner or as both pressure relief devices and testing requirement, under 40 CFR part dilution air openings under NESHAP operator, then the trailer homes become 60, subpart GG, for Tristate’s Pyramid a residential installation subject to the subparts V and FF. EPA did not Generating Station near Lordsburg, New promulgate a definition of ‘‘dilution air NESHAP regulation. Mexico? Q2: Would 40 CFR part 61, subpart M, opening’’ in NESHAP subpart FF. A1: Yes. EPA waives the multi-load NESHAP subpart V infers that a apply if the residential trailer home testing requirement under NSPS subpart pressure relief device is designed to were purchased by a commercial entity GG because the facility has a nitrogen release pressure but is not designed to rather than being sent to the Delaware oxides continuous emissions monitor function as a dilution air opening. Since Solid Waste Authority? (NOX CEM). A2: No. A residential trailer home and Q2: Does EPA approve the use of the pressure/vacuum relief valves its recycling process are exempt from monitoring conducted in accordance relieve excess pressure in the closed the asbestos NESHAP regulation if at the with Part 75 in lieu of certain vent system and allow dilution air to time of demolition, it can be classified monitoring requirements in 40 CFR part enter the closed vent system, the as single dwelling unit and does not 60, subpart GG, at Tristate’s Pyramid pressure/vacuum relief valves are both meet the definition of a residential Generating Station near Lordsburg, New pressure relief devices and dilution air installation in 40 CFR 61.141. Mexico? openings. EPA recognizes that the Q3: Given the inapplicability of 40 A2: Yes. EPA approves the use of requirements of 40 CFR CFR part 61, subpart M, what might the certain monitoring of part 75 in lieu of 61.343(a)(1)(i)(B) and (C) do not account State of Delaware do to minimize public certain monitoring requirements of for this dichotomy, and thus approves exposure to asbestos from the NSPS subpart GG. FHR’s request for an alternative demolition of residential trailer homes? monitoring plan to resolve the A3: EPA suggests that the State of Abstract for [0500062] ambiguity. Delaware encourage inspection and Q: Does EPA approve a compliance Abstract for [0500063] removal of asbestos-containing material monitoring plan, under 40 CFR part 60, at the Delaware Solid Waste Authority subpart Db, for a 185-mmBTU/hr Q: Does EPA approve an alternative compaction site. The state might also natural gas-fired boiler at Flint Hills monitoring plan, under 40 CFR part 60, consider the addition of a permit Resources (FHR) petroleum refinery in subpart J, to address a new refinery fuel condition in the Delaware landfills Rosemount, Minnesota? gas that Flint Hills Resources (FHR) operating permits that would prohibit A: Yes. On April 12, 2000, the loads at a gasoline loading rack at its landfills from accepting asbestos- company supplemented its request in Pine Bend Refinery in Rosemount, containing material as landfill cover. accordance with EPA’s initial response. Minnesota?

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A: Yes. EPA finds FHR has action. In addition, BASF will keep in Atofina’s facility in Port Arthur, demonstrated that this refinery fuel gas records of organic flow rate to R–170 in Texas? meets the criteria in EPA’s August 14, lb/hr. Any hourly flow rates that are A: Yes. EPA approves the alternative 1987 guidance for refinery fuel gas below the approved minimum will be monitoring plan under NSPS subpart J stream alternative monitoring plans, and considered a violation of NSPS subpart based upon the data submitted, and thus it approves the alternative NNN and must be reported as excess provided that the proposed alternative monitoring plan under NSPS subpart J. emissions. monitoring plan correctly applies the Abstract for [0500064] Abstract for [M050037] stipulated guidance in EPA’s letters to Koch Fuels on December 2, 1999 and Q: Does EPA approve an alternative Q: Will EPA waive, under 40 CFR part February 13, 2001 (see ADI Control fuel usage recordkeeping method, under 63, subpart G, additional performance Numbers 0500137 and 0100037). 40 CFR part 60, subpart Dc, for two testing if the scrubber/absorption system heaters at Devon Energy’s Bridgeport organic absorption medium is changed Abstract for [0500070] Gas Processing Plant near Bridgeport, from utility water to recycle process Q1: Does EPA approve an alternative Texas? wastewater at a BP Chemicals Green monitoring plan, under 40 CFR part 60, A: Yes. EPA approves the changes in Lake facility in Port Lavaca, Texas? subpart J, in lieu of a hydrogen disulfide the fuel usage recordkeeping frequency A: Yes. EPA will waive additional continuous emission monitor (H2S for NSPS subpart Dc boilers that are testing under MACT subpart G because CEM) for the dock thermal oxidizer vent fired with only natural gas and/or low the change in medium at the scrubber/ gases in Atofina’s facility in Port Arthur, sulfur oil. absorption system would lead to only a Texas? slight increase in emissions and the Abstract for [M050036] A1: Yes. EPA approves the alternative total emissions remain below the monitoring plan under NSPS subpart J Q: Does EPA approve an alternative permitted emissions limit of 0.37 lb/hr. based upon the data submitted, and control method, under 40 CFR part 63, Abstract for [0500067] provided that the proposed alternative subpart G, using dual carbon canisters monitoring plan correctly applies the Q: Does EPA approve an alternative to reduce HAP emissions at the stipulated guidance in EPA’s letters to monitoring plan (AMP), under 40 CFR Chalmette Refinery in Chalmette, Koch Fuels on December 2, 1999 and part 60, subpart J, for a flare used by Louisiana? February 13, 2001 (see ADI Control A: Yes. EPA approves the alternative Flint Hills Resources (FHR) during Numbers 0500137 and 0100037). method under MACT subpart G, periods of maintenance or malfunction Q2: Does EPA approve alternative conditioned on Chalmette’s daily of a vapor recovery unit at a gasoline recordkeeping requirements for boilers, monitoring of the HAPs concentration loading rack at its Pine Bend Refinery in under 40 CFR part 60, subpart Dc, at the after the primary canister until Rosemount, Minnesota? Frito-Lay facility in Mission, Texas? breakthrough has occurred three times. A: Yes. EPA finds that FHR has demonstrated that this refinery fuel gas A2: Yes. EPA approves the alternative Abstract for [0500065] meets the criteria in EPA’s guidance, recordkeeping requirements under Q: Does EPA waive the monitoring ‘‘Alternative Monitoring Plan for NSPS subpart Dc based upon the information requirement, under 40 CFR part 60, Subpart J Refinery Fuel Gas’’ for refinery submitted by the facility. subpart Da, to use a sulfur dioxide fuel gas stream alternative monitoring Abstract for [M050038] continuous emission monitor (SO2 plans (see AMP attached to ADI Control CEM) for duct burners located at Number 0500138) and thus it approves Q: Does EPA approve a request to Calpine’s Channel Energy Center facility the alternative monitoring plan under align the periodic reporting in Houston, Texas? NSPS subpart J. requirements of non-leak detection and A: No. EPA does not waive the reduction (LDAR) and LDAR to a single requirement under NSPS subpart Da. Abstract for [0500068] semiannual report, under 40 CFR part However, EPA will consider the Q: Does EPA approve an alternative 63, subpart U, for the hypalon elastomer approval of an alternative monitoring monitoring plan (AMP), under 40 CFR unit at the DuPont Dow facility in plan in lieu of an SO2 CEM. part 60, subpart J, for the platformer Beaumont, Texas? lock hopper and switch valve vent A: Yes. EPA approves the request to Abstract for [0500066] refinery fuel gas stream at Flint Hills align the periodic reporting Q: Does EPA approve an alternative Resources (FHR) petroleum refinery in requirements of non-LDAR and LDAR to monitoring plan, under 40 CFR part 60, Rosemount, Minnesota? a single semiannual report under MACT subpart NNN, for the catalytic A: Yes. EPA finds that FHR has subpart U as long as the reports are incinerator at BASF’s Freeport, Texas demonstrated that this refinery fuel gas submitted in such a manner that there facility, which operates at varying meets the criteria in EPA’s guidance, are no missing days of reporting. flowrates and must add hydrocarbons to ‘‘Alternative Monitoring Plan for NSPS Abstract for [M050039] the stream to generate the required delta Subpart J Refinery Fuel Gas’’ for refinery T established by the performance test? fuel gas stream alternative monitoring Q: Does EPA waive a performance test A: Yes. EPA approves an alternative plans (see AMP attached to ADI Control requirement for vent streams that monitoring plan under NSPS subpart No. 0500138), and thus it approves the contain hydrogen cyanide (HCN) and NNN for BASF’s R–170 Catalytic alternative monitoring plan under NSPS allow the use of an alternative method Incinerator provided that: (1) The subpart J. of demonstrating compliance, under 40 minimum outlet temperature will be CFR part 63, subpart A, at DuPont 550 degrees C; (2) the minimum delta T Abstract for [0500069] Chemical Solutions Enterprise’s facility across the bed will be 287 degrees C; (3) Q: Does EPA approve an alternative in Beaumont, Texas? the minimum organic loading to the bed monitoring plan, under 40 CFR part 60, A: Yes. EPA grants the waiver of will be 89,380 lb/hr; and (4) the facility subpart J, in lieu of a hydrogen disulfide performance testing under MACT establishes alarms at a 15 degrees C continuous emission monitor (H2S subpart A for flow measurement and differential to allow time for corrective CEM) for the disulfide separator off-gas heat content because the facility has

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demonstrated compliance using provided that the monitored parameters continuous monitoring of the proposed alternate means. and ranges at the facility have four parameters and continuous supporting data. monitoring to ensure that UNOX oxygen Abstract for [0500071] purity is maintained at 96 percent Abstract for [M050041] Q: Does EPA approve alternative maximum. recordkeeping requirements, under 40 Q: Does EPA allow aligning the CFR part 60, subpart Dc, for natural gas reporting period to a semi-annual Abstract for [M050044] burning boilers at the Frito-Lay facility calendar year, under 40 CFR part 63, Q1: Does EPA approve the primary in Mission, Texas? subpart CC, for the Shell Norco product determination for specific A: Yes. EPA approves the alternative Chemical Plant in Norco, Louisiana? production vessels and precompliance recordkeeping requirements under A: Yes. EPA allows the aligning of the report for pilot vessels, under 40 CFR subpart Dc based upon the condition reporting period under MACT subpart part 63, subpart PPP, for the CRODA that it is not necessary to keep daily fuel CC, provided that the facility submits a Manufacturing facility in Mill Hall, usage records for units fired only with shortened report such that no days of Pennsylvania? natural gas since the emission standards recordkeeping and reporting are missed. A1: Yes. EPA approves the request in subpart Dc are not applicable to these under MACT subpart PPP because it Abstract for [M050042] units. accepts CRODA’s conclusion that Q: Does EPA approve the use of specific production vessels that do not Abstract for [0500072] National Council for Air and Stream manufacture a polyether polyol as the Q: Will EPA approve, under 40 CFR (NCASI) hazardous air pollutants primary product are not polyether part 60, subpart NNN, an alternative (HAPS) Test Method 99.01, under 40 polyol manufacturing units. plan to monitor the total flow to the CFR part 63, subpart S, to analyze Q2: Does EPA agree that products combustion device instead of condensate samples collected at manufactured with epoxides do not monitoring the flow of each vent stream Appleton Papers’ Spring Mill in Roaring meet the definition of a polyether polyol from several distillation units to the Spring Borough, Pennsylvania? in 40 CFR part 63, subpart PPP? combustion device at ExxonMobil’s A: Yes. EPA allows the alternative A2: Yes. EPA agrees that products that Baytown Chemical Plant in Baytown, method under MACT subpart S, do not meet the definition of polyether Texas? provided that the appropriate correction polyol in MACT subpart PPP are not A: Yes. EPA approves this alternative factors are used. subject to the requirements of that monitoring request under NSPS subpart Abstract for [0500075] subpart. NNN with additional conditions to ensure which combustion devices are Q1: Does EPA approve the Abstract for [M050045] associated with which vent gas streams. continuation of the current custom fuel Q: Does EPA approve the use of monitoring plan for the new alternative monitoring parameters and Abstract for [0500073] replacement turbine, under 40 CFR part parameter values to demonstrate Q: Does EPA approve an alternative 60, subpart GG, at East Tennessee compliance with 40 CFR part 63, monitoring plan for a refinery generated Natural Gas Company’s Compressor subpart S for ‘‘closed’’ biological fuel gas stream, under 40 CFR part 60, Station 3313 in Rural Retreat, Virginia? treatment systems at the St. Laurent subpart J, at Motiva Enterprises’ A1: Yes. EPA approves this request Paperboard facility in West Point, Convent Refinery in Convent, under NSPS subpart GG because it Virginia? Louisiana? understands that there will be no A: Yes. EPA approves the request A: Yes. EPA approves an alternative change in fuel quality since there is no because the facility has adequately monitoring plan under NSPS subpart J, change in fuel source. demonstrated that the alternative provided the facility follows the Q2: Does EPA approve a sampling monitoring parameters meet the stipulated guidance in EPA’s letters to location, under 40 CFR part 60, subpart requirements of MACT subpart S. Koch Fuels on December 2, 1999 and GG, where the system’s three major Abstract for [0500076] February 13, 2001 (see ADI Control lines connect? Numbers 0500137 and 0100037). A2: Yes. Because the ownership of Q: Does EPA approve a custom fuel East Tennessee Natural Gas Company monitoring schedule, under 40 CFR part Abstract for [M050040] was transferred from El Paso Energy 60, subpart GG, for Millennium Q: Does EPA align the 40 CFR part 63, Corporation (EPE) to a subsidiary of Inorganic Chemicals’ Hawkins Point subparts G and CC reporting periods for Duke Energy Gas Transmission, EPA plant in Baltimore, Maryland? Motiva Enterprises’ facility in Norco, approves a new sampling location at A: Yes. EPA approves this request in Louisiana? Topside Junction Metering and Control accordance with its August 14, 1987 A: Yes. EPA aligns the reporting Station in Knoxville County, where the custom fuel monitoring schedule periods under MACT subparts G and system’s three major lines connect. memorandum, and provided that CC, provided that the facility submits a pipeline quality natural gas is the only Abstract for [M050043] shortened report such that no days of fuel being burned. recordkeeping and reporting are missed. Q: Does EPA approve alternative monitoring parameters and parameter Abstract for [0500077] Abstract for [0500074] values for ‘‘closed’’ biological treatment Q: Does 40 CFR part 60, subpart UUU, Q: Does EPA approve an alternative systems, under 40 CFR part 63, subpart apply to rotary calciners that are used in monitoring plan for the regenerative S, at the Smurfit (formerly Stone the production of mullite with kyanite catalytic cracking unit (RCCU), under 40 Container Corporation) pulp and paper as the raw material at Kyanite Mining CFR part 60, subpart J, at Motiva mill in Hopewell, Virginia? Corporation (KMC) facilities? Enterprises’ facility in Norco, A: Yes. EPA approves the request A: No. NSPS subpart UUU applies to Louisiana? because the facility has adequately calciners and dryers at ‘‘mineral A: Yes. EPA approves an alternative demonstrated it meets the requirements processing plants,’’ i.e., a facility that monitoring plan under NSPS subpart J, of MACT subpart S through both processes or produces one or more of

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the seventeen specifically named that natural gas is the only fuel fired in the Homanit USA plant in Montgomery minerals listed in 40 CFR 60.731, their the gas turbine. County, North Carolina? concentrates, or mixtures which contain A: No. EPA finds that neither NSPS Abstract for [0500080] greater than 50 percent of any of these subpart Db nor the NSPS general listed minerals. EPA understands that Q: Does EPA approve an alternative provisions in subpart A provide the silica is formed as a by-product during test method request for performance authority to completely waive the the kyanite calcining process at KMC in testing of (nitrogen oxides) NOX applicable opacity monitoring quantities that do not constitute the emission limitations for two gas turbine/ requirement of NSPS subpart Db. majority (greater than 50 percent) of any duct burner combined cycle units, However, based upon the low of the minerals processed or produced under 40 CFR part 60, subpart GG, at the probability that there will be any at KMC. Liberty Electric Power facility in opacity in the regenerative thermal Eddystone Borough, Pennsylvania? oxidizer stack downstream of the boiler, Abstract for [M050046] A: Yes. EPA approves this request EPA would be willing to consider an Q: Is a facility which primarily under NSPS subpart GG based on a opacity monitoring alternative. applies finishing to architectural wood review by the Emission, Monitoring, Abstract for [0500084] molding materials subject to the and Analysis Division (EMAD) of the requirements of 40 CFR part 63, subpart Office on Air Quality, Planning and Q: Does EPA approve use of an KK? Standards, and subject to the conditions alternative path length correction factor, A: No. While EPA believes that the specified in the EMAD memorandum under 40 CFR part 60, subpart UUU, definitions in 40 CFR 63.822 are (C304–02) dated April 5, 2002. based on width rather than equivalent diameter for the continuous opacity intended to be broadly applied and Abstract for [0500081] inclusive, we have determined that monitoring system on three rectangular rotogravure printing on wood molding Q1: Does EPA approve a custom fuel exhaust stacks at the 3M facility in was not intended to be regulated under monitoring schedule, under 40 CFR part Moncure, North Carolina? this rule. The facility does not produce 60, subpart GG, for the Tenaska Virginia A: Yes. EPA approves this request. saleable paper products and does use a Generating Station in Fluvanna County, EPA finds the alternative path length flexographic press in its finishing Virginia? correction factor is acceptable under A1: Yes. EPA approves this custom operations. It therefore does not qualify NSPS subpart UUU because of the high fuel monitoring schedule under NSPS as ‘‘publication rotogravure printing’’ as bias in the opacity data created by using subpart GG in accordance with its that term is defined in 40 CFR 63.822. equivalent diameter. August 14, 1987 custom fuel monitoring However, EPA has determined that the schedule memorandum, and provided Abstract for [0500085] molding finishing operations at the that pipeline quality natural gas is the Q: Does EPA waive the 40 CFR part facility would be regulated under 40 only fuel being burned (see ADI Control 60, subpart Da requirement to conduct CFR 43 Subpart QQQQ, the Wood Number NS33). a stack test in order to determine Building Products MACT, if the Q2: Does EPA approve an alternative compliance with the applicable sulfur molding products ‘‘finished’’ at the monitoring plan, under 40 CFR part 60, dioxide limit for a duct burner at facility are not included within the subpart GG, that provides for the use of Cogentrix Energy’s Caledonia Power category of surface coating (or other CEMS equipment to continuously Station? operations specifically excluded under monitor compliance with the standards A: Yes. EPA waives the NSPS subpart 40 CFR 63.4681(c)(1)–(5)) and are more for nitrogen oxides for the Tenaska Da requirement based upon the margin than 50 percent by weight wood. Virginia Generating Station in Fluvanna of compliance, provided that the unit is Abstract for [0500078] County, Virginia? fired with only pipeline quality natural A2: Yes. EPA approves the alternative gas. Q: Does EPA approve an alternative monitoring plan request under NSPS monitoring plan, under 40 CFR part 60, Abstract for [0500086] subpart GG, based upon its consistency subpart GG, for the Liberty Electric with previous determinations made by Q: Does EPA allow collection of Tier Power facility in Eddystone Borough, the Agency and conditions necessitating 2 samples from the active gas collection Pennsylvania? specific additional requirements for systems, under 40 CFR part 60, subpart A: Yes. EPA approves this alternative recordkeeping and monitoring. WWW, at the Prairie Bluff Landfill in monitoring plan request under NSPS Chickasaw County, Mississippi, and the subpart GG, consistent with previous Abstract for [0500082] Little Dixie Landfill in Madison County, determinations that provide for the use Q: Does EPA approve a custom fuel Mississippi? of continuous emissions monitoring monitoring schedule, under 40 CFR part A: Yes. Based upon NSPS subpart systems (CEMS) equipment to 60 subpart GG, for Energy System North WWW revisions promulgated on continuously monitor compliance with East’s Cogeneration Plant in North East, October 17, 2000, EPA finds the the standard for nitrogen oxides. Pennsylvania? proposed Tier 2 sampling sites to be Abstract for [0500079] A: Yes. EPA approves this custom fuel acceptable, provided that they are monitoring schedule under NSPS located prior to any gas moving or Q: Does EPA approve a custom fuel subpart GG in accordance with its condensate removal equipment. In monitoring schedule, under 40 CFR part August 14, 1987 custom fuel monitoring addition, at least three samples must be 60, subpart GG, for the Liberty Electric schedule memorandum, and provided collected from the proposed sampling Power facility in Eddystone Borough, that pipeline quality natural gas is the site at each of the landfills in question. Pennsylvania? only fuel being burned. A: Yes. EPA approves this custom fuel Abstract for [0500087] monitoring schedule under NSPS Abstract for [0500083] Q1: Does EPA approve the proposed subpart GG in accordance with its Q: Does EPA waive the opacity alternative oxygen concentration limit August 14, 1987 custom fuel monitoring monitoring requirement in 40 CFR part for 16 wells, under 40 CFR part 60, schedule memorandum, and provided 60, subpart Db for a wood-fired boiler at subpart WWW, at the Deans Bridge

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Road Landfill operated by the Augusta, the preamble to the final rule fugitive emission sources inside the Georgia Public Works and Engineering promulgating NSPS subpart RRR, facility because the results of EPA Department? monitoring the combustion temperature Method 22 observations conducted on A1: Yes. EPA approves the proposed for boilers and process heaters, although the exterior of the building provide alternative concentration limit under required under NSPS subpart NNN, is adequate assurance of compliance for NSPS subpart WWW because the not necessary when a VOC vent stream the facilities located inside. temperature monitoring data for the is introduced with the primary fuel for Abstract for [0500093] wells in question indicate that oxygen the boiler or heater. levels greater than five percent have not Q: Does EPA approve the opacity, Abstract for [0500090] poisoned methane producing bacteria. sulfur dioxide (SO2), and nitrogen Q2: Does EPA waive the requirement Q: Does EPA approve the use of Gas oxides (NOX) alternative monitoring under 40 CFR part 60, subpart WWW to Producers Association (GPA) Method proposals, under 40 CFR part 60, conduct methane surface concentration 2265, under 40 CFR part 60, subpart GG, subpart D, for the Number 2 Bark Boiler monitoring in a closed 52-acre section of to measure the sulfur content of natural at Riverwood International’s kraft pulp the landfill? gas burned in turbines at the Clarksdale mill in Macon, Georgia? A2: No. Because NSPS subpart WWW Public Utilities Crossroads Power Plant? A: Yes. EPA approves the alternative requires that methane surface A: Yes. EPA approves this request to monitoring proposals concerning concentration monitoring in closed use GPA Method 2265 for monitoring opacity, sulfur dioxide, and nitrogen areas be conducted at least annually, natural gas sulfur content under NSPS oxides under NSPS subpart D. EPA EPA concludes that the requirement to subpart GG because it is an acceptable finds monitoring of the scrubber liquor conduct this monitoring cannot be alternative similar to American Society flow rate and scrubber pressure drop to waived. However, the monitoring for Testing Materials (ASTM) methods be an acceptable alternative to using frequency can be reduced from a for measuring sulfur content and continuous opacity monitors (COMS). quarterly to an annual basis if none of consistent with several other past Additionally, monitoring the pH of the the methane concentration readings in determinations. scrubber liquor when coal is fired is an the closed section of the landfill were acceptable alternative to an SO2 CEMS. Abstract for [0500091] 500 parts per million or more during the Furthermore, performing annual boiler June 2003 monitoring period. Q: Does EPA require requests for tune-ups and conducting annual NOX approval of an alternative fuel usage performance tests is reasonable Abstract for [0500088] recordkeeping schedule to be submitted assurance of compliance with the Q: Does EPA approve an opacity to EPA for review, under 40 CFR part applicable NOX emission limits in monitoring alternative for two glass 60, subpart Dc, especially routine subpart D in lieu of a NOX CEMS. melting furnaces, under 40 CFR part 60, requests for natural gas and distillate subpart CC, at the Anchor Glass oil-fired boilers? Abstract for [0500094] Company’s Warner Robbins, Georgia A: No. Requests of this type do not Q: Does EPA approve a request to plant? have to be submitted exclusively to EPA modify the current opacity monitoring A: No. EPA does not approve this for review. Because of the routine nature alternative, under 40 CFR part 60, request under NSPS subpart CC. Based of such requests, review on a case-by- subpart Db, for a boiler at Georgia upon the results of testing conducted on case basis at the Regional level slows Pacific’s plywood plant in Monticello, both furnaces, there does not appear to down the approval without providing Georgia, by deleting one of the three be a consistent relationship between any environmental benefit. The low fuel parameters currently monitored as an particulate emission rates and the emissions from natural gas and distillate indicator of scrubber performance? operating parameter (bridgewall oil-fired boilers means that monthly fuel A: Yes. EPA approves the request temperature) that Anchor Glass usage recordkeeping frequencies are under NSPS subpart Db to drop the proposed to monitor in lieu of typically appropriate to verify these water supply pressure monitoring installing, certifying, and operating a sources’ compliance. Additionally, requirement. Based on facts submitted continuous emission monitoring system. proposals to apportion total fuel usage to EPA, monitoring both water flow rate between multiple units with a common and supply pressure at this plant is Abstract for [0500089] fuel flow meter do not have to be unnecessary. In addition, several other Q: Does EPA find that the 40 CFR part submitted to EPA for review if the NSPS subparts, including OOO and 60, subpart RRR monitoring procedures apportionment approach is at least as UUU, require only pressure drop and are an acceptable alternative to the 40 accurate as one that EPA approved for water flow rate monitoring. CFR part 60, subpart NNN requirements several plants operated by Tyson Foods Abstract for [0500095] for volatile organic compound (VOC) in Region 5 in a determination dated excess emission monitoring at the May 1, 2001 (ADI control number Q1: Does EPA approve a proposal to distillation operation in Celanese 010005), which was attached to EPA’s use passive flares on a temporary basis Acetate’s plant in Rock Hill, South response. (not to exceed 18 months), under 40 Carolina? CFR part 60, subpart WWW, at Waste A: Yes. EPA finds that the NSPS Abstract for [0500092] Management’s Live Oak Landfill in subpart RRR monitoring procedures are Q: Does EPA waive the requirement, DeKalb County, Georgia? an acceptable alternative to the under 40 CFR part 60, subpart LL, to A1: Yes. EPA approves the proposed monitoring procedures required under perform visible emissions tests on flares under NSPS subpart WWW, NSPS subpart NNN in this case. The several affected facilities located inside provided that they are used only in NSPS subpart RRR requirement to a building at the Treibacher areas where liners have been installed monitor diversions from the control Schleifmittal grit plant in on the sides and bottom of the landfill device accomplishes the same end as Andersonville, Georgia? in accordance with 40 CFR 258.40. This the NSPS subpart NNN requirement to A: Yes. EPA waives the NSPS subpart determination is based upon the design monitor the flow to the control device. LL requirement to conduct separate of the proposed flares, each of which In addition, based upon information in visible emission tests on each of the must include a pilot flame,

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thermocouple, a thermocouple to conducted any time prior to the completely identical. Relocating a monitor the temperature at the flare tip, deadline for installation of a GCCS (30 COMS is one of the conditions requiring and a data logger to record the months after the landfill’s nonmethane monitor certification in the August 10, thermocouple data. organic compound emission rate 2000 version of PS–1. Q2: Does EPA waive the 40 CFR part exceeds 50 megagrams per year), Abstract for [0500101] 60, subpart WWW performance testing provided that a design plan is submitted requirement for the passive flares at by the applicable deadline (12 months Q: Does EPA waive the requirement to Waste Management’s Live Oak Landfill after the landfill’s nonmethane organic conduct a performance test on a flare in DeKalb County, Georgia? compound emission rate exceeds 50 that controls volatile organic compound A2: No. EPA does not waive the NSPS megagrams per year). (VOC) emissions from air oxidation and subpart WWW performance testing Q2: Could EPA clarify whether the distillation operations, under 40 CFR requirement for the passive flares results of initial Tier 2 testing in 1998 part, 60 subparts III and NNN, at because flare design flow rate data and or of a Tier 2 retest in 2003 should be Albemarle Corporation’s chemical plant information regarding typical landfill used for calculating the 2003 in Orangeburg, South Carolina? gas composition do not provide a nonmethane organic compound A: Yes. EPA waives the performance sufficient basis for a waiver. To obtain (NMOC) emission rate, under 40 CFR requirement under NSPS subparts III such a waiver, the facility must test a part 60, subpart Cc, at the Clayton and NNN. Information supplied by the portion of the flares that it installs and County, Georgia, Municipal Solid Waste company demonstrates that the flare tip submit the results of the test to EPA for Landfill? velocity will be less than 50 percent of review. A2: Once the deadline for Tier 2 the applicable limit even if the total retesting has passed, NMOC emission volume of reactants for the hydrogen Abstract for [0500096] rates under NSPS subpart WWW must cyanide production unit were vented Q: Does EPA approve American be calculated using the 4000 part per through the control device. Hence, the Society for Testing Materials (ASTM) million default value, unless additional velocity limit promulgated in 40 CFR Method D 6667–01 as an alternative Tier 2 testing is done. If additional 60.18(c)(3)(i)(A) will not be exceeded. method, under 40 CFR part 60, subpart testing is done, the NMOC Abstract for [0500102] GG, for monitoring the sulfur content of concentration results from this retest, natural gas burned in three gas turbines rather than the default value, would Q: Does EPA waive the requirement to at the Williams Pipeline site in Coden, apply for calculating the NMOC install gas collection wells in active Alabama? emission rate for year 2003. landfill areas that have held waste for A: Yes. EPA has previously approved five years or more, under 40 CFR part the proposed alternative method under Abstract for [0500099] 60, subpart WWW, at the Central NSPS subpart GG for measuring natural Q: Does EPA approve a proposal for Disposal Facility in Brevard County, gas sulfur content at more than twenty shortening the visible emission (VE) Florida? separate turbine installations observation from three hours to one A: No. EPA does not waive this nationwide in lieu of the four ASTM hour for conveyor drop points, under 40 requirement. Such a waiver would methods for determining the sulfur CFR part 60, subpart Y, at DTE Energy constitute an unacceptable relaxation of content of gaseous fuels listed in 40 CFR Services’ coal preparation plant in the emission standards of NSPS subpart 60.335(d). Belews Creek, North Carolina? WWW because landfill gas that would A: Yes. EPA approves the request to be collected and routed to control Abstract for [0500097] shorten the VE observation time to one equipment under the rule’s provisions Q: Does EPA approve a proposal to hour when no individual opacity would instead be released to the temporarily abandon gas collection readings exceed 15 percent during the atmosphere without controls. wells during vertical expansion in first hour of readings. Demonstrating active areas that have held waste for five that opacity levels do not exceed 15 Abstract for [0500103] years or more, under 40 CFR part 60, percent of the applicable limit for an Q1: Does EPA waive the requirement subpart WWW, at Waste Management’s entire hour will provide adequate to conduct an initial performance test, Live Oak Landfill in DeKalb County, assurance of compliance with the under 40 CFR part 60, subpart GG, on Georgia? opacity limit in NSPS subpart Y. two of the three combustion turbines at A: No. EPA does not approve under Forsyth Energy Project’s (FEP) plant in Abstract for [0500100] NSPS subpart WWW the proposal to Forsyth County, North Carolina? disconnect the wells for a six to twelve Q: Could EPA verify whether a A1: Yes. EPA grants this waiver month period while a vertical expansion continuous opacity monitoring system request. Under the conditions proposed is taking place because it would (COMS) located on a replacement stack by FEP, EPA finds the test results for constitute a relaxation of the applicable for a boiler at Trigen Biopower in one of the three identical turbines will emission standard. Caldwell, North Carolina, should be provide adequate assurance that the subject, under 40 CFR part 60, subpart other two units also comply with NSPS Abstract for [0500098] Dc, to certification requirements in the subpart GG. Additionally, the use of Q1: Does EPA allow Clayton County, latest version of Performance nitrogen oxides continuous emissions Georgia, which missed the deadline for Specification 1 (PS–1)? monitors (NOX CEMS) at FEP provides a Tier 2 retest at its SR3 Municipal Solid A: Yes. EPA finds that under NSPS a further source of credible evidence Waste Landfill, to have the option of subpart Dc, the COMS is subject to the regarding the compliance for all three conducting another Tier 2 test prior to latest PS–1 certification requirements. turbines following the initial testing. the deadline for submittal of a gas Installing the monitor on the Q2: Does EPA waive the requirement collection and control (GCCS) system replacement stack constitutes relocation to keep records of the annual capacity design plan under 40 CFR part 60, because a replacement stack is likely to factor, under 40 CFR part 60, subpart subpart Cc? differ in some respects from the original Db, for FEP’s auxiliary boiler? A1: Yes. EPA has determined that stack, and there is no way to be A2: Yes. EPA waives this additional Tier 2 testing can be absolutely sure two stacks are requirement. EPA finds that since the

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company is not seeking an exemption Abstract for [0500107] megagrams per hour), EPA approves from the nitrogen oxides limit under Q: Does EPA waive the requirement to using English units (tons per hour) to NSPS subpart Db, there is no regulatory conduct an initial performance test on satisfy these requirements because the need for information regarding the two existing baghouses used to control fluoride emission limits in these rules auxiliary boiler’s annual capacity factor. particulate emissions from materials are expressed in both metric and English units, and this does not hinder handling equipment, under 40 CFR part Abstract for [0500104] a compliance determination. 60, subpart OOO, at the Monarch Q: Does EPA approve the shortening Ceramic Tile plant in Florence, Abstract for [0500110] in duration of the initial opacity Alabama? Q: Does EPA approve a proposal to performance test, under 40 CFR part 60, A: No. EPA does not approve this use an automated system to distinguish subpart Dc, from three hours to one request under NSPS subpart OOO. between gasoline truck tanks and diesel hour if there are no opacity readings Given the increase in particulate loading truck tanks, under 40 CFR part 60, greater than ten percent during the at the baghouse inlet and the amount of subpart XX, in order to bypass the vapor initial hour of observations on three oil- time elapsed since the last performance recovery unit (VRU) during diesel fired boilers at the RJ Reynolds plant in test, prior test results do not provide loading at the Marathon Ashland Tobaccoville, North Carolina? adequate assurance of compliance for Petroleum (MAP) bulk gasoline terminal A: Yes. EPA approves the request new equipment being added to the in Knoxville, Tennessee? under NSPS subpart Dc based upon the plant. A: Based on the information expectation that there will be a low Abstract for [0500108] submitted, EPA cannot approve the variability in opacity levels when oil is proposed alternative monitoring plan at Q: Does EPA approve the alternative used to fire these boilers. The test this time. However, the concept behind monitoring plan for opacity as proposed duration can be shortened to one hour the proposal has merits. For further for a backup package boiler for for any of the boilers that does not have consideration of the alternative additional steam generation, under 40 individual opacity readings exceeding monitoring plan, MAP must submit to CFR part 60, subpart Db, at the Jefferson 10 percent for each of the 15-second EPA additional information including: Smurfit linerboard mill in Fernadina visible emissions readings taken during A demonstration that volatile organic Beach, Florida? the first hour of observations. compound (VOC) concentrations differ A: No. Although EPA has approved enough between different loading Abstract for [0500105] proposals for the monitoring of opacity scenarios for a continuous monitor to using visible emissions data collection tell when diesel trucks are being loaded; Q: Does EPA approve an alternative instead of using a continuous opacity data regarding VOC monitor response hydrogen sulfide (H S) monitoring 2 monitoring system (COMS), the time; and details regarding the quality proposal, under 40 CFR part 60, subpart proposed alternative monitoring plan assurance/quality control procedures for J, submitted for refinery fuel gas burned includes provisions which are not the continuous monitor. in a reformer furnace at the Air Products acceptable to ensure continuous and Chemicals Catlettsburg, Kentucky compliance. The specific provisions that Abstract for [0500111] hydrogen plant? must be removed from this proposal Q1: Does EPA approve the use of EPA A: Yes. EPA approves under NSPS before it can be approved by EPA Method 22, under 40 CFR part 60, subpart J the proposed H2S alternative include requests for making opacity subpart UU, as an alternative to EPA monitoring plan. The hydrogen sulfide readings only on days when the boiler Method 9 for determining compliance content of the reformer’s fuel gas and operates for more than six hours, and with the opacity standard for mineral fuel gas streams is inherently low, and those provisions that eliminate opacity handling and storage facilities at the Air Products has an economic incentive readings on weekends and holidays. TAMKO Roofing Products plant in Clay to keep these levels low in order to Also, if the company seeks an County, Florida? prevent poisoning the hydrogen exemption from monitoring during A1: No. EPA Method 22 is not an reformer catalyst. periods when weather conditions make acceptable alternative to EPA Method 9 it impractical to collect opacity data, the because it determines the total duration Abstract for [0500106] proposal must be revised to identify the of visible emissions during the test very specific conditions under which period but does not record opacity Q: Does EPA approve an alternative such an exemption could be justified. levels when visible emissions are span value of 70 percent, under 40 CFR present. Therefore, the use of EPA part 60, subpart D, proposed for two hog Abstract for [0500109] Method 22 makes it impossible to fuel boilers at Weyerhaeuser’s Kraft Q: Does EPA approve an alternative determine the magnitude of any pulp mill in Plymouth, North Carolina? monitoring proposal, under 40 CFR part violations under NSPS subpart UU. A: Yes. EPA approves the proposed 60, subparts H, T, U and V, using Q2: Does EPA waive the requirement alternative span value under NSPS English units of measure, rather than to conduct opacity performance testing, subpart J because it will not interfere metric units of measure, for facilities at under 40 CFR part 60, subpart UU, on with the facility’s ability to identify and the U.S. Agri-Chemicals plant in Polk mineral surge tanks and limestone surge report emissions’ exceedances for County, Florida? tanks located inside a building at the opacity as stated in 40 CFR 60.45(g)(1). A: Yes. With regard to NSPS subpart TAMKO Roofing Products plant in Clay In addition, the proposed alternative H; EPA approval for the use of English County, Florida? span value for the hog fuel boilers will units is not required, as the applicable A2: No. EPA denies this waiver improve the overall effectiveness of monitoring provisions in the rule do not request. The applicable opacity standard Weyerhaeuser’s continuous opacity specifically require the use of metric in NSPS subpart UU applies to tanks monitoring systems (COMS) quality units. Although the monitoring located inside a building. EPA Method assurance program by ensuring that all provisions in NSPS subparts T, U, and 9 can be performed inside buildings. five units with COMS at the Plymouth V require that feed rate data be Furthermore, in order to obtain approval mill have the same span value. expressed in metric units (i.e., for an opacity performance test waiver,

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the facility must supply information conveyor belt transfer points if 75 in 40 CFR 60.754(a)(1) for calculating that could be used to demonstrate minutes of EPA Method 22 observations NMOC emission rates are not associated compliance through other means. No indicate that there are no fugitive with GCCS operation. Depending on the such information was provided in this emissions from the building? calculated NMOC emissions rate, the request. A2: Yes. EPA waives the requirement facility may be required to submit a under NSPS subparts Y and OOO to design plan for existing or planned Abstract for [0500112] conduct separate visible emission tests control systems for gas emission within Q: Does EPA approve an alternative for the conveyor belt transfer points a specified timeframe. monitoring proposal, under 40 CFR part because the use of Method 22 to verify 60, subpart A, for maintaining records of that there are no fugitive emissions from Abstract for [0500117] startups, shutdowns, and malfunctions the building offers adequate assurance Q: Does EPA approve a proposal to periods only when there are occurrences of compliance for the facilities inside. conduct monthly oxygen concentration of excess emissions at the Eastman monitoring at the inlet to the flare, Chemical plant in Kingsport, Abstract for [0500115] rather than at each individual well, Tennessee? Q: Does EPA approve a proposed under 40 CFR part 60, subpart CC, at A: Yes. EPA approves this alternative alternative surface methane Onyx Waste Services’ Pecan Road recordkeeping proposal under NSPS concentration monitoring frequency, Landfill in Valdosta, Georgia. general provisions, subpart A, because under 40 CFR part 60, subpart WWW, A: No. EPA does not approve the the primary use for these records is to for a Class III area at the North County proposed alternative monitoring determine the applicability of the Resource Recovery Facility operated by location under NSPS subpart CC provisions in 40 CFR 60.8(c). Thus, the Solid Waste Authority of Palm because it is downstream of the point limiting recording of emissions data at Beach County, Florida? where the gas from all the wells in the this type of facility during periods of A: Yes. EPA approves this alternative collection system combines. No startup, shutdown, and malfunction under NSPS subpart WWW because conclusions regarding the performance only when there are occurrences of methane generation rates in the Class III of individual wells can be drawn from excess emissions is acceptable and area are expected to be low given the the results at this monitoring location. should not affect identifying compliance types of waste (construction demolition In addition, maintaining an oxygen violations. debris, trash, paper, and glass) placed concentration of 5 percent or less at the there, and because no methane was flare inlet will not provide assurance Abstract for [0500113] detected during five successive that all wells comply with subpart CC. Q: Does EPA approve the use of quarterly monitoring periods. However, sensory means (i.e., sight, sound, and as this landfill is still active, the Abstract for [0500118] smell) as an acceptable alternative, condition for this approval is that a Q: Does EPA approve the alternative under 40 CFR part 60, subpart VV, to methane concentration of 250 ppm, opacity monitoring proposed, under 40 using EPA Method 21 for detecting leaks rather than 500 ppm, will be used as a CFR part 60, subpart CC, for two glass from equipment in acetic acid service at trigger for reverting back to a quarterly melting furnaces at the Anchor Glass the Eastman Chemical plant in methane surface monitoring frequency. Company plant in Warner Robbins, Kingsport, Tennessee? Georgia? A: Yes. EPA approves this alternative Abstract for [0500116] A: EPA may approve the proposal if under NSPS subpart VV because prior Q1: Does EPA approve the option for remaining issues can be resolved. monitoring results submitted by the landfill facilities to conduct additional Although the proposal to monitor facility show that the number of leaks Tier 2 testing, under 40 CFR part 60, furnace bridgewall temperature as an identified using sensory methods for subpart WWW, if an annual report alternative to installing a continuous equipment in acetic acid service has indicates that the nonmethane organic opacity monitoring system (COMS) been significantly higher than the compound (NMOC) emission rate under NSPS subpart CC appears number detected using solely EPA calculated with previous Tier 2 results reasonable, there are several issues that Method 21. Also, all of the previous exceeds 50 megagrams/year? need to be resolved before the proposal leaks found using EPA Method 21 A1: Yes. EPA approves this request can be approved. These issues include: would have been detected if only because, as Tier 2 testing is conducted the appropriate margin of compliance sensory methods had been used. every five years and NSPS subpart with the applicable particulate emission WWW requires periodic retesting, it standard if a COMS is not used; the Abstract for [0500114] would be inconsistent and unreasonable possibility that natural gas usage rates Q1: Does EPA approve a reduction in to deny facilities the option of will need to be monitored in addition to the duration of visible emission testing, conducting additional testing that might bridgewall temperatures, and what under 40 CFR part 60, subpart Y, for improve the accuracy of test data. With constitute excess emissions. conveyor belt transfer points at Eastman additional testing, NMOC emission rates Chemical Company’s (Eastman) plant in calculated with new Tier 2 data will be Abstract for [0500119] Kingsport, Tennessee? more representative of current Q: Could EPA clarify whether the A1: Yes. EPA approves the request conditions than results calculated using addition of in-line blending equipment under NSPS subpart Y to shorten the older data. to a loading rack at the Magellan test duration from three hours to one Q2: Does the presence of an existing Midstream Partners (Magellan) bulk hour if no individual readings exceed 20 gas collection and control system gasoline terminal in Greensboro, North percent and no more than three (GCCS) affect NMOC emission rate Carolina, would trigger the requirement individual readings equal 20 percent calculations under 40 CFR part 60, for a retest, under 40 CFR part 60, during the first hour of observations. subpart WWW? subpart XX, on the vapor recovery unit Q2: Does EPA waive the requirement A2: No. The presence of an existing (VRU) that controls emissions during to enter a building and conduct separate GCCS does not affect the NMOC loading? visible emission tests, under 40 CFR emission rate calculations under NSPS A: No. EPA has determined that part 60, subparts Y and OOO, on several subpart WWW. The variables specified adding the in-line blending equipment

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does not automatically trigger VRU capacity to 100 mmBtu/hr and grants a 60-day extension pursuant to 40 retest. The initial VRU test that the eliminating the burning of fuel oil, will CFR 60.8(d). company conducted in February 2000 is reduce the capacity of the boiler and Abstract for [0500126] the only test specifically required for will comply with EPA’s policy on sources subject to NSPS subpart XX. derates. Q: Does EPA approve a span setting Although the Administrator can ask for of 100 ppmv on an outlet continuous Abstract for [0500123] a retest at anytime, EPA does not find emission monitor (CEM), under 40 CFR it necessary to require a new test Q1: Does EPA approve an alternative part 60, subpart J, for the sulfur dioxide following the installation of the in-line monitoring procedure, under 40 CFR (SO2), CEMs for the fluid catalytic blending equipment at Magellan’s part 60, subpart UUU, for a spray tower cracking unit wet gas scrubber (WGS) at Greensboro terminal. Adding the in-line scrubber at the Short Mountain Silica the Shell Oil Products refining facility blending equipment did not increase the Company in Mooresburg, Tennessee? in Deer Park, Texas? number of trucks that can be loaded A1: Yes. EPA approves the proposed A: Yes. EPA approves under NSPS simultaneously at the terminal. Also, alternative under NSPS subpart UUU to subpart JJ the span setting of 100 ppmv there was a significant margin of monitor the scrubbing liquid supply for the WGS outlet SO2 CEMs, as it will compliance during the initial test. pressure and scrubbing liquid flow rate be acceptable with respect to the 50 rather than measuring the pressure loss ppmv rolling seven day average. Abstract for [0500120] of the gas stream through the scrubber Abstract for [0500127] Q: Does EPA approve EPA Method and the scrubbing liquid flow rate. 25A as an alternative to EPA Method 25, Because there is little pressure drop of Q: Does EPA waive continuous under 40 CFR part 60, subpart TT, for the gas stream as it passes through the emission monitor for the hydrogen carbon absorber efficiency testing on a spray tower, pressure drop is not a good sulfide (CEM H2S) stream monitoring, metal coil coating line at the Thermalex indicator of spray tower efficiency. under 40 CFR part 60, subpart J, for the plant in Montgomery, Alabama? Q2: Does EPA waive the requirement, steam methane reformer unit pressure A: Yes. EPA approves EPA Method under 40 CFR part 60, subpart UUU, to swing adsorption (PSA) at Valero’s 25A as an acceptable alternative to EPA conduct a performance test for a rotary Corpus Christi-West Plant, in Corpus Method 25 for control device efficiency dryer which serves as a backup for the Christi, Texas? A: Yes. EPA grants this waiver request testing where VOC concentrations in the fluidized bed dryer at the Short under NSPS subpart J because it has control system exhaust are expected to Mountain Silica Company in determined that no CEM H needs to be be 50 ppm or less. In this case, the VOC Mooresburg, Tennessee? S concentration is expected to be installed for the purpose of monitoring A2: Yes. EPA approves the the H in the off-gas vent streams in the approximately 10 ppm at the carbon performance test waiver under NSPS 2S absorber outlet which is acceptable. PSA routed to the reformer heater. subpart UUU because demonstration of Instead, the alternative parameter will Abstract for [0500121] compliance for the fluidized bed dryer be the total sulfur content of the Q: Does EPA approve as an alternative also shows an acceptable level of combined feed to the sulfur vapor to EPA Method 21, under 40 CFR part compliance assurance for the rotary recovery (SVR) unit. 60, subpart VV, sensory means (i.e.≤, dryer. Abstract for [0500128] sight, sound, smell) to identify leaks Abstract for [0500124] from equipment in acetic acid and/or Q: Does EPA waive continuous acetic anhydride service at the Eastman Q: Does EPA approve the use of emission monitor for the hydrogen nitrogen oxides continuous emission Chemical Company facility in sulfide (CEM H2S) stream monitoring, Kingsport, Tennessee? monitors (NOX CEMs), under 40 CFR under 40 CFR part 60, subpart J, for the A: Yes. EPA approves the proposed part 60, subpart GG, as an alternative to catalytic reformer unit heater fuel gas alternative monitoring under NSPS the four-point load test for gas turbines from fuel gas drums numbers 1 and 2 subpart VV because monitoring results at Cinergy’s South Houston Green (which is a refinery and generates gas provided indicate that leaks from Power Site facility in Houston, Texas? stream) at Valero’s Corpus Christi-West equipment are more easily identified A: Yes. EPA approves the alternative Plant, in Corpus Christi, Texas? through sensory methods than through monitoring proposal under NSPS A: Yes. EPA grants this waiver request EPA Method 21. The physical properties subpart GG, provided that the CEMs for under NSPS subpart J because it has (i.e., high boiling points, high NOX is capable of calculating a one-hour determined that no CEM H2S needs to corrosivity, and low odor threshold) of average NOX emissions concentrations be installed for the purpose of acetic acid and acetic anhydride and the corrected to 15 percent oxygen, and the monitoring the H2S in the off-gas vent process conditions at the facility in facility submits reports of excess streams from fuel gas mixing drum #1 question make sensory means emissions and summary reports. or #2 routed to the reformer heater. preferable. Abstract for [0500125] Instead, the alternative parameter will be the total sulfur content of the Abstract for [0500122] Q: Does EPA approve a 90-day combined feed to the CRU unit. Q: Does EPA approve a boiler derate extension of the performance testing proposal, under 40 CFR part 60, subpart deadline, under 40 CFR part 60, Abstract for [0500129] Db, based on changes made to the subparts A and I, in light of weather Q: Does EPA approve the use of an natural gas burner at North Carolina conditions and material shortages that alternative monitoring plan, under 40 Baptist Hospital in Winston-Salem, made it impossible for the Pavers CFR part 60, subpart J, for the soil vapor North Carolina? Supply facility in Conroe, Texas, to run extraction system (SVE) at Western A: Yes. EPA approves this proposal at full rates? Refining’s facility in El Paso, Texas? under NSPS subpart Db because it has A: No. EPA denies the request for a A: Yes. EPA approves the alternative determined that the proposed derate 90-day extension under NSPS subpart I. monitoring proposal under NSPS method, which includes installing new Concurring with the Texas Commission subpart J to measure H2S content boiler tips limiting the heat input on Environmental Quality (TCEQ), EPA directly at the inlet to the internal

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combustion engine (ICE), which are NSPS subpart RRR, and must maintain Q2: Does EPA approve an alternative components of the SVE system. a schematic diagram for all related reporting of nitrogen oxides (NOX) affected vent streams, collection emissions requirements, under 40 CFR Abstract for [0500130] system(s), fuel systems, control devices, part 60, subpart Db, where the NOX Q: Does EPA approve an alternative and bypass systems as stated in emission limit and excess emissions are monitoring plan, under 40 CFR part 60, 60.705(s). reported on an average ‘‘steam subpart J, for the catalytic reformer 1 generating unit operating day’’ basis, Abstract for [0500133] unit (CR–1) at Motiva Enterprises’ instead of a 30-day average for Shell facility in Norco, Louisiana? The Q: Does EPA approve certain Chemical Company’s facility in company proposes waiving the monitoring, recordkeeping, and Geismar, Louisiana? continuous monitoring system (CMS) reporting provisions of 40 CFR part 60, A2: Yes. EPA approves the alternative requirement for hydrogen sulfide (H2S) subpart RRR, as alternative monitoring reporting plan under NSPS subpart Db, steam monitoring and instead requirements, under 40 CFR part 60, provided that the records for the units monitoring the gas stream using EPA subpart NNN, for DuPont’s facility in La specified in 40 CFR 60.49(b) are guidance on alternative monitoring Porta, Texas? maintained on-site and are available at plans for low sulfur refinery fuel gas A: Yes. EPA conditionally approves the request of any state or Federal streams. use of the proposed provisions in NSPS agency inspector. A: Yes. EPA approves this alternative subpart RRR as an alternative means of monitoring under NSPS subpart J. No demonstrating compliance under NSPS Abstract for [M050047] CMS needs to be installed for the subpart NNN. As conditions of Q: Does EPA consider the C–12 purpose of monitoring the H2S in the approval, the facility must comply with process area of INVISTA’s Victoria Plant make gas stream to the unit’s heaters. the recordkeeping and reporting and its component chemical Instead, H2S concentrations will be requirements for flow indicators in manufacturing process units (CMPUs) monitored using detection tubes. This NSPS subpart RRR, and must maintain subject to 40 CFR part 63, subpart H, the determination is subject to the a schematic diagram for all related HON rule? conditions set forth in the stipulated affected vent streams, collection A: No. As none of these units qualify guidance in EPA’s letters to Koch Fuels systems, fuel systems, control devices, for regulation under both 40 CFR on December 2, 1999 and February 13, and bypass systems as stated in 40 CFR 63.100(b) and 40 CFR 63.100(b)(1)–(2), 2001 (see ADI Control Numbers 60.705(s). the only way likely for the C–12 process 0500137 and 0100037). area to qualify for regulation under 40 Abstract for [0500134] CFR 63.100 would be to conflate all Abstract for [0500131] Q: Does EPA approve an alternative CMPUs into a single CMPD. Since these Q: Does EPA approve an alternative performance specification procedure, units are not conflated into a single monitoring for the hydrogen generation under 40 CFR part 60, subpart B, CMPD unit, these units are not subject unit (HGU) torvex catalytic converter, allowing the use of seven consecutive to the HON Rule. This finding is under 40 CFR part 60, subpart J, at unit operating days instead of seven consistent with a previous Motiva Enterprises’ facility in Convent, consecutive calendar days for the determination, ADI Control Number Louisiana? calibration drift test period at M960028. A: Yes. EPA approves this alternative Cottonwood Energy’s facility in monitoring under NSPS subpart J. No Deweyville, Texas? Abstract for [0500136] CEM needs to be installed for the A: Yes. EPA conditionally approves Q1: Does 40 CFR part 60, subpart purpose of monitoring the H2S in the the use under NSPS subpart B of seven NNN, apply to the SP–1 and SP–2 H2S Concentration Column overhead consecutive operating days for the distillation units at INVISTA’s Victoria vent stream. Instead, the H2S calibration drift test period, based on Plant? concentration will be measured daily previous EPA determinations and A1: No. Since the SP–1 and SP–2 using detection tubes, with ranges and guidance that a seven consecutive units produce no products, by-products, frequency as set forth in the stipulated operating day test is more stringent than or co-products, or intermediates listed guidance in EPA’s letters to Koch Fuels a seven consecutive calendar day test. in 40 CFR 60.667, NSPS subpart NNN on December 2, 1999 and February 13, As a condition of this approval, if the does not apply to these two units. 2001 (see ADI Control Numbers continuous monitoring system CMS Q2: Does 40 CFR part 60, subpart 0500137 and 0100037). fails the seventh day test, the facility NNN, apply to a concentrated water will repeat the entire test. wash (CWW) system at INVISTA’s Abstract for [0500132] Victoria Plant? Q: Does EPA approve certain Abstract for [0500135] A2: Yes. Since the CWW vents into monitoring, recordkeeping, and Q1: Does EPA approve alternative the atmosphere, it is subject to NSPS reporting provisions of 40 CFR part 60, monitoring, recordkeeping, and subpart NNN. subpart RRR, as alternative monitoring reporting requirements, under 40 CFR requirements, under 40 CFR part 60, part 60, subpart Db, for a cogeneration Abstract for [0500137] subpart NNN, for DuPont’s Sabine River unit at Shell Chemical Company’s Q1: How does 40 CFR part 60, subpart Works facility in Orange County, Texas? facility in Geismar, Louisiana J, apply to the fuel gas combustion A: Yes. EPA conditionally approves commensurate with past devices (FGCDs) and fuel gases involved use of the proposed provisions in NSPS determinations? with operations at Koch Refining’s subpart RRR as an alternative means of A1: No. EPA does not approve the Rosemount, Minnesota, refinery? demonstrating compliance under NSPS alternative monitoring plan under NSPS A1: NSPS subpart J apply to an subpart NNN for the specified subpart Db because the determination affected FGCD if the device combusts a distillation unit. As conditions of letter (ADI Control Number PS15), ‘‘fuel gas,’’ that is, any gas that is approval, the facility must comply with referenced in Shell’s proposal, does not generated at a petroleum refinery. To the recordkeeping and reporting apply to the fuel records required by 40 control sulfur oxide (SOX) emissions requirements for flow indicators in CFR 60.49b. into the atmosphere from affected

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FGCDs, NSPS subpart J limits the Dated: April 10, 2006. technical aspects of issues related to air amount of hydrogen sulfide (H2S) Michael M. Stahl, quality criteria and national ambient air allowed in the fuel gas burned in these Director, Office of Compliance. quality standards (NAAQS) under devices. Except for fuel gas released to [FR Doc. 06–3808 Filed 4–21–06; 8:45 am] sections 108 and 109 of the Act. The a flare as a result of relief valve leakage BILLING CODE 6560–50–P CASAC is a Federal advisory committee or other emergency malfunctions, a chartered under the Federal Advisory facility may not burn fuel gas containing Committee Act (FACA), as amended, 5 U.S.C., App. The CASAC Ozone Review greater than 230 mg/dscm of H2S in any ENVIRONMENTAL PROTECTION affected FGCD. AGENCY Panel, which consists of the members of the chartered CASAC supplemented by Q2: How does the process upset gas [FRL–8161–3] subject-matter-experts, complies with exemption of 40 CFR part 60, subpart J, the provisions of FACA and all apply to the flare gas recovery system in Science Advisory Board Staff Office; Clean Air Scientific Advisory appropriate SAB Staff Office procedural operation at Koch Refining’s Committee (CASAC); Notification of a policies. Rosemount, Minnesota, refinery? Under section 108 of the CAA, the Public Advisory Committee Meeting Agency is required to establish National A2: The process upset gas exemption (Teleconference) of the CASAC Ozone Ambient Air Quality Standards under NSPS subpart J applies only to Review Panel extraordinary, infrequent, and not (NAAQS) for each of six pollutants for which EPA has issued criteria, reasonably preventable upsets. Any AGENCY: Environmental Protection including ambient ozone (O ). Section gases released as a result of normal Agency (EPA). 3 ACTION: Notice. 109(d) of the Act subsequently requires operations are not considered upset periodic review and, if appropriate, gases. The routine combustion of SUMMARY: The Environmental Protection revision of existing air quality criteria refinery gases in a FGCD, including Agency (EPA or Agency) Science and NAAQS to reflect advances in flares and other waste gas disposal Advisory Board (SAB) Staff Office scientific knowledge on the effects of devices, do not qualify for the process announces a public teleconference of the pollutant on public health and upset gas exemption of the rule. Based the Clean Air Scientific Advisory welfare. The Ozone Panel met in a on the background information of the Committee (CASAC) Ozone Review public meeting in Durham, North rule, the term upset does not apply to Panel (Ozone Panel) to provide Carolina on December 6–7, 2005, to normal operations. Therefore, the rule additional advice to the Agency conduct a peer review on EPA’s 2nd exempts the combustion of process concerning Chapter 8 (Integrative draft Air Quality Criteria for Ozone and upset gases in a FGCD, including the Synthesis) of the Final Air Quality Related Photochemical Oxidants combustion in a flare of fuel gas that is Criteria for Ozone and Related (August 2005). In a February 10, 2006, released to the flare as a result of relief Photochemical Oxidants (EPA/600/R– letter to the Administrator (EPA– valve leakage or other emergency 05/004aF–cF, February 2006). CASAC–06–003), the CASAC indicated malfunction. However, the combustion/ DATES: The teleconference will be held that it may need to provide additional flaring of those exempted gases in an on May 12, 2006, from 1 to 4 p.m. advice related to chapter 8 of the AQCD NSPS affected FGCD is still required to (Eastern Time). which integrates human health effects and exposure. The CASAC’s review of comply with the good air pollution FOR FURTHER INFORMATION CONTACT: Any the 2nd draft is available on the SAB control practices of 40 CFR 60.11(d), member of the public who wishes to obtain the teleconference call-in number Web site at: http://www.epa.gov/sab/ even when such FGCDs are exempt from pdf/oasac_ozone_casac-06–003.pdf. the sulfur dioxide limit. and access code; would like to submit written or brief (less than five minutes) On March 21, 2006, EPA’s National Q3: How does NSPS subpart J apply oral comments; or wants further Center for Environmental Assessment, Research Triangle Park to the various gas streams Koch information concerning this (NCEA–RTP), released the Final Refining’s Rosemount, Minnesota, teleconference, must contact Mr. Fred O AQCD. Concomitantly, EPA’s Office refinery? Butterfield, Designated Federal Officer 3 of Air Quality Planning and Standards A3: EPA has analyzed the 26 gas (DFO), EPA Science Advisory Board (OAQPS) is completing work on a 2nd (1400F), U.S. Environmental Protection streams identified at the Koch Refining draft of A Review of the National Agency, 1200 Pennsylvania Avenue, facility and has provided a finding for Ambient Air Quality Standards for NW., Washington, DC 20460; via each of these streams based on the Ozone: Policy Assessment of Scientific telephone/voice mail: (202) 343–9994; Agency’s responses in A1 and A2, and Technical Information. The latter fax: (202) 233–0643; or e-mail at: above. document evaluates the policy [email protected]. General Abstract for [0500138] implications of the scientific information concerning the CASAC or information in the Final O AQCD, and the EPA SAB can be found on the EPA 3 Q: Does EPA approve an alternative the results of the quantitative risk/ Web site at URL: http://www.epa.gov/ monitoring plan, under 40 CFR, part 60, exposure analysis. CASAC will hold a sab. subpart J, for fuel gases and fuel gas conference call to provide additional combustion devices (FGCDs) at Koch SUPPLEMENTARY INFORMATION: advice to the Agency as it works to Refining’s Rosemount, Minnesota, Background: The CASAC, which is complete the 2nd Draft NAAQS for O3. refinery? comprised of seven members appointed Availability of Meeting Materials: The by the EPA Administrator, was Final O3 AQCD can be accessed via the A: No. Based on the information established under section 109(d)(2) of Agency’s NCEA Web site at: http:// submitted, EPA does not approve the the Clean Air Act (CAA or Act) (42 cfpub.epa.gov/ncea/cfm/ proposed alternative monitoring plan U.S.C. 7409) as an independent recordisplay.cfm?deid=149923. Any for fuel gases and FGCDs since it needs scientific advisory committee, in part to questions concerning the Final O3 to provide for good air pollution control provide advice, information and AQCD should be directed to Dr. Mary practices to minimize flaring events. recommendations on the scientific and Ross, NCEA–RTP, at phone: (919) 541–

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