10/25110 PLANNED MSS PERMIT CONDITIONS FOR ELECTRIC GENERATING FACILITIES AND RELATED FACILITIES Permit No. (jill in) 1. This permit authorizes the emissions from the planned maintenance, startup, and shutdown (MSS) activities listed in Attachment A, Attachment B, or the MAERT attached to this permit. Attachment A identifies the inherently low emitting (ILE) planned maintenance activities that this permit authorizes to be performed. _. __ () ,,_ Attachment B identifies the plmmed maintenance activities that are ~ v planned maintenance activities that this permit authorizes to be performed. 2. When a planned maintenance activity identified in Attachment B is associated with a VOC liquid storage facility and may result in VOC emissions from that facility, the permit holder shall not open that facility to the atmosphere in connection with the planned maintenance activity until the VOC liquids are removed from that facility to the maximum extent practicable. t/ ,,~/ I1J ~ 3. [THIS CONDITION IS FOR SOLID FUEL-FIRED ELECTRIC ~lc(:J 'f 'ENERATING FACILITIES ONLY! No vacuum pump on a vacuum truck I c-1 v " ~ . that is used to move solids (such as ash) during planned maintenance activi . s shall be operated unless ~he vacuum system exhaust is routed to a filter' system. Oll. AJ.\. \(('''~.·5 I~~L-/,'- j-lci-f\-qfL'<-,,\..., __ 4. [THIS CONDITION IS FOR ANY ELECTRIC GENERATING FACILITY THAT IS SUBJECT TO A CARBON MONOXIDE OR AMMONIA EMISSIONS CONCENTRATION LIMIT IN CHAPTER 117, AND FOR WHICH A REOUEST IS INCLUDED IN THE FACILITY'S PLANNED MSS PERMIT AMENDMENT APPLICATION THAT THE CARBON MONOXIDE OR AMMONIA MASS EMISSIONS LIMITS IN THE MAERT WILL CONSTITUTE AN ALTERNATIVE CASE SPECIFIC SPECIFICATION UNDER CHAPTER 117/ The carbon monoxide (CO) and ammonia mass emissions limits in the MAERT attached to this permit that apply during planned MSS activities constitute alternative case specific specifications for the CO and ammonia concentration limits in (identifY the applicable section in Chapter 117) during planned MSS activities. d I I t; i ~ ! / ' 5. [THISCONDITIONISONLYFORAPERMITTHATCONTAINSA CONDITION THAT HAS AN EMISSIONS LIMIT(S) THAT IS IN UNITS OF LBIMMBTU, PPMV, ETC-':J The emissions limits that are identified in Special Conditions (identifY the special conditions that contain one or more emission limits that are not mass emissions limits, but are in units of IblMMBtu, ppmv, etc.) do not apply during planned MSS activities. 6. IfIX ~ E~~ns dNr~ any ?lallJ1e;(MSA~~y"t ~c~w,1i2~ilit~ is . ; : : If'j J. ope~n~Qi~~Imitl1rt1tzed bYo~ttng'tlie fat}}l~ssCfC:tated au pollutIOn 1< ' :., h '\ I ("'11/'~ ~. 10/25/10 co~o~ eq~li~~t~ a,fu~'1! is~fnsist~ntw'1:i)' good p(aot~1s for min~~~in em.is .6t{g, an,d ~hat wift~0.5 psia that does not require clearing ofthe vessels to of for x x x x I. I and water bn"h,ti~·"l repair, replacement, adjusting, testing, and calibration of equipment, process instruments including sight glasses, meters, PEMS. equipment and fugitive component repair/replacement in VOC and serviceS x x x 10/25/10 Notes: 1. Includes, but is not limited to, baghouse filters, ash silo/transfer filters, coal handling filters, process-related building air filters, and combustion turbine air intake filters. 2. Includes pre-heater basket handling and maintenance, refractory change-out, fan maintenance and balancing, damper, air heater, and soot blower maintenance, and any other general boiler maintenance that does not exceed the worst-case emissions representation in the application. 3. Includes, but is not limited to, replacement, cleaning, activation, and deactivation of SCR and oxidation catalysts. 4. Includes, but is not limited to, management by vacuum truck/dewatering of materials in open pits and ponds, and sumps, tanlcs and other closed or open vessels. Materials managed include water and sludge mixtures containing miscellaneousVOCs suchas diesel, lube oil, and other waste oils. 5. Includes, but is not limited to, explosive blasting, clinker shooting, and other boiler deslagging activities; does not include dry abrasive blasting that may occur in boilers. 6. In most permits, material handling system maintenance will be included in Attachment A only if the permit existing at the time the MSS permit amendment is issued does not contain emissions limits for the material handling system equipment on which the maintenance occurs.·' Material handling system equipment includes, but is not limited to, silos,transport systems, coal bunkers, coal crushing equipment, coal handling, nuvafeeders, hoppers, FGD sludge handling system. Materials handled include coal, ash, limestone, gypsum, mercury, and sorbents. 7. Involves use of water only 8. Includes, but is not limited to, (i) repair/replacement of pumps, compressors, valves, pipes, flanges, transport lines, filters and screens in natural gas, fuel oil, diesel oil, ammonia, lube oil, and gasoline service, (ii) vehicle and mobile equipment maintenance that may involve small VOC emissions, such as oil changes, transmission service, and hydraulic system service, and (iii) off-line NOx control device maintenance (including maintenance of the anhydrous ammonia systems and aqueous ammonia systems associated with SCR systems and SNCR systems) 10/25/10 Attachment B Permit No. (jill in) Non-ILE Planned Maintenance Activities I -/ I I I: I I~ I11 ! of storage vessels gasoline or other material vapor pressme >0.5 psia that clearing ofthe vessels to for of gas conditioning system - unit online .. gas -c'onditioning system - unit offline4 control device maintenance line control device maintenance online 02 control device maintenance online '" '" test of boiler x STKI MSSFUG x x x x STKI x STKI x STKI x x x x x x of fans during maintenance offline small engines used at a ipa.rti(;ui:ar location at a site for> 12 UillJUIILUg system x MSS FUG x x x 10/25/10 Notes: I. Includes, but is not limited to, venting prior to pipeline pigging, and meter proving 2. Includes, but is not limited to, (i) leak and operability checks (e.g., turbine over-speed tests, troubleshooting), (ii) balancing, and (iii) tuning activities that occur during seasonal tuning or after the completion of initial construction, a combustor change-out, a major repair, maintenance to a combustor, or other similar circumstances. 3. Includes site-wide solids vacuuming operations (e.g., SCR, baghouse, ESP, ducts, furnace, loop seals, stripper coolers, and airlocks). 4. Includes, but is not limited to, maintenance of anhydrous ammonia systems and aqueous ammonia systems used to condition flue gas before it is controlled by a PM control device. S. Includes readiness testing for oil firing system 6. Includes, but is not limited to, application of adhesives and rubber lining 7. Includes, but is not limited to, engines used for vacuum truck baghouse fan, outages, emergencies, testing, and fire training. 8. In most permits, material handling system maintenance will be included in Attachment B if the permit existing at the time the MSS permit amendment is issued contains emissions limits for the material handling system equipment on which the maintenance is occurring. Material handling system equipment includes, but is not limited to, silos, transport systems, coal bunkers, coal crushing equipment, coal handling, nuvafeeders, hoppers, FGD sludge handling system. Materials handled include coal, ash, limestone, gypsum, mercury, and sorbents. , , 10/25110 EMISSION SOURCES - MAXIMUM ALLOWABLE EMISSION RATES Permit No. (jill in) This table lists the maximum allowable emission rates and all sources of air contaminants on the applicant's property covered by this permit. The emission rates shown are those derived from information submitted as part of the application for permit and are the maximum rates allowed for these facilities. Any proposed increase in emission rates may require an application for a modification of the facilities covered by this permit. 1 AIR CONTAMINANTS DATA ~I i PLANNED MAINTENANCE, STARTUP, AND SHUTDOWN (MSS) ACTIVITIES Emission Point No. Source N atne Air Contaminant Name Emissions Rates lb/hr tpy STK# Unit # Stack NOx CO S02 VOC PM NH3 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? i; "I! , .' MSSFUG Planned MSS Activities (ILE and non-ILE) l NOx CO S02 VOC PM NIB ?? ?? ~ =~ [yOOTNOTES FOR THE MAERTl [THE FOLLOWING FOOTNOTE IS TO BE INCLUDED FOR EACH .FACILITY WHOSE ANNUAL EMISSIONS DURING PLANNED MSS ACTIVITIES WILL NOT 'EXCEED ITS ANNUAL EMISSIONS LIMIT THAT IS EFFECTIVE AT THE TIME THE MSS PERMIT AMENDMENT IS ISSUED! 10/25/10 The tpy emission limit specified in the MAERT for this facility includes emissions from the facility during both normal operations and planned MSS activities. [THE FOLLOWING FOOTNOTE IS TO BE INCLUDED FOR EACH FACILITY WHOSE LBIHR EMISSIONS DURING PLANNED MSS ACTIVITIES WILL NOT EXCEED ITS LBIHR EMISSIONS LIMIT THAT IS EFFECTIVE AT THE TIME THE MSS PERMITAMENDMENT IS ISSUED! The lblhr emission limit specified in the MAERT for this facility includes emissions from the facility during both normal operations and planned MSS activities. [THE FOLLOWING FOOTNOTE IS TO BE INCLUDED IN THE MAERT. SUCH AS IN THE HEADING ENTITLED 'PLANNED MAINTENANCE, STARTUP, AND SHUTDOWN (MSS) ACTIVITIES"[ ---For each pollutant whose emissions during planned MSS activities are measured using a CEMS, during any clock hour that includes one or more minutes of planned MSS activities, the pollutant's hourly emission limits that apply during planned MSS' activities shall apply during that clock hour. AUSTIN_11612964v4 46794-1 10125/2010 10125/10 PLANNED MSS PERMIT CONDITIONS FOR ELECTRIC GENERATING FACILITIES AND RELATED FACILITIES Permit No. (jill in) i -/ Ii I. This permit authorizes the emissions from the plamled maintenance, startup, and shutdown (MSS) activities listed in Attachment A, Attachment B, or the MAERT attached to this permit. Attachment A identifies the inherently low emitting (ILE) plall1ed maintenance activities that this permit authorizes to be performed. Attachment B identifies the plam1ed maintenance activities that are not ILE plam1ed maintenance activities that this permit authorizes to be performed. 2. When a plam1ed maintenance activity identified in Attachment B is associated with a VOC liquid storage facility and may result in VOC emissions from that facility, the permit holder shall not open that facility to the atmosphere in cOll1ection with the plam1ed maintenance activity until the VOC liquids are removed from that facility to the maximum extent practicable. 3. {THIS CONDITION IS FOR SOLID FUEL-FIRED ELECTRIC GENERATING FACILITIES ONLY! No vacuum pump on a vacuum truck that is used to move solids (such as ash) during plall1ed maintenance activities shall be operated unless the vacuum system exhaust is routed to a filtering system. 4. {THIS CONDITION IS FOR ANY ELECTRIC GENERATING FACILITY THAT IS SUBJECT TO A CARBON MONOXIDE OR AMMONIA EMISSIONS CONCENTRATION LIMIT IN CHAPTER 117. AND FOR WHICH A REOUEST IS INCLUDED IN THE FACILITY'S PLANNED MSS PERMIT AMENDMENT APPLICATION THAT THE CARBON MONOXIDE OR AMMONIA MASS EMISSIONS LIMITS IN THE MAERT WILL CONSTITUTE ANALTERNATIVE CASE SPECIFIC SPECIFICATION UNDER CHAPTER 117' The carbon monoxide (CO) and i i =l an1illonia mass emissions limits in the MAERT attached to this permit that apply during plam1ed MSS activities constitute alternative case specific specifications for the CO and all1f11onia concentration limits in (identify the applicable section in Chapter 117) during planned MSS activities. '. 5. (TmS CONDITION IS ONLY FOR A PERMIT THAT CONTAINS A CONDITION THAT HAS AN EMISSIONS LIMIT(S) THAT IS IN UNITS OFLBIMMBTU, PPMV, ETC.' The emissions limits that are identified in Special Conditions (identify the special conditions that contain one or more emission limits that are not mass emissions limits, but are in units oflblMMBtu, ppmv, etc.) do not apply during plam1ed MSS activities. 6. Emissions during any plall1ed MSS activity that occurs when a facility is operating shall be minimized by operating the facility and associated air pollution 10/25/10 control equipment in a manner that is consistent with good practices for minimizing emissions, and that will ensure the safe operation and protection of the facility and associated air pollution control equipment. 7. Emissions during planned startup and shutdown activities will be minimized by limiting the duration of operation in planned startup and shutdown mode as follows: [pARAGRAPHS A AND B BELOW ARE FOR NON-SOLID-FUELFIRED ELECTRIC GENERATING FACILITIES ONLY! A. A planned startup of the EGF with EPN No. (fill in the EPN No.for the EGF) is defined as the period that begins when (to be defined in the MSS permit amendment application) and ends when (to be defined in the MSS permit amendment application). A planned startup for that EGF is limited to (a number ofminutes determined based on the information in the MSS permit amendment application) minutes. (If there are multiple EGFs that need different definitions ofplanned startup and different planned startup duration limits, a separate definition ofplanned startup and duration limit will need to be specifiedfor eaeh EGF.) B. A planned shutdown of the EGF with EPN No. (fill in the EPN No.jor the EGF) is defined as the period that begins when (to be defined in the MSS permit amendment application) and ends when (to be defined in the MSS permit'amendinent'applicatitm). A planned shutdown for·that EGF is limited to (a number ofminutes determined based on the information in the MSS permit amendment application) minutes. (lfthere are multiple EGFs that need different definitions ofplanned shutdown and different planned shutdown dutation limits, a separate definition ofplanned shutdown and duration limit will need to be specifiedfor each EGF.) [pARAGRAPHS A AND B BELOW ARE FOR SOLID FUEL-FIRED ELECTRIC GENERATING FACILITIES ONLY! A. A planned startnp of the EGF with EPN No. (fill in the EPN No. for the EGF) is defined as the period that begins when (to be defined in the MSS permit amendment application) and ends when (to be defined in the MSS permit amendment application). 1. A planned startup of that EGF shall not exceed (a number of hours determined based on the information in the MSS permit amendment application) hours, except as allowed in Special Condition No.7 .A.2. 2. An extended planned startup is defined as a startnp that lasts more than (the same number of hours as in Special Condition No. 7.A.]) hours. The total amount of time the extended startups exceed (the same 10/25/10 number of hours as in Special Condition No. 7.A.I) hours shall not exceed (a number of hours determined based on the information in the MSS permit amendment application) hours on ai:J annual basis. (If there are multiple EGFs that need different definitions ofplanned startup and different planned startup duration limits, a separate definition ofplanned startup and duration limit will need to be specifiedfor each EGF.) i I i Ii B. A planned shutdown of the EGF with EPN No. (fill in the EPN No. for the EGF) is defined as the period that begins when (to be defined in the MSS permit amendment application) and ends when (to be defined in the MSS permit amendment application). 1. A planned shutdown of that EGF shall not exceed (a number of hours determined based on the information in the MSS permit amendment application) hours, except as allowed in Special Condition No. 7.B.2. 2. An extended planned shutdown is defined as a shutdown that lasts more than (the same number of hours as in Special Condition No. 7.B.I) hours. The total amount of time the extended shutdowns exceed (the same number of hours as in Special Condition No. 7.B.I) hours shall not exceed (a number of hours determined based on the information in the MSS permit amendment application) hours on an annual basis. (If there are multiple EGFs that need different definitions ofplanned shutdown and different planned shutdown duration limits, a separate definition ofplanned shutdown and duration limit will need to be specified for eachEGF.) 8. Demonstration of compliance with the emiSSIOns limits for planned MSS activities identified in the MAERT attached to this permit A. Inherently low emitting (ILE) planned maintenance activities (see Attachment A to this permit) 1. The total emissions from all ILE planned maintenance activities shall be considered to be no more than the estimated potential to emit for those activities that is represented in the permit application. 2. The permit holder shall annually confirm the continued validity of the estimated potential to emit represented in the permit application for all ILE planned maintenance activities. 10125/10 B. Planned MSS activities that are not ILE planned maintenance activities ("non-ILE planned MSS activities") 1. 2. 3. For each pollutant emitted during non-ILE planned MSS activities whose emissions are measured using a Continuous Emission Monitoring System (CEMS), as per Special Condition 9.A., the permit holder shall do the following for each calendar month: a. Compare the pollutant's hourly emissions during planned MSS activities as measured by the CEMS to the applicable hourly planned MSS emissions limit in the MAERT, and b. Once the pollutant's emissions during planned MSS activities have been measured by the CEMS for 12 months after the MSS permit amendment is issued, compare the rolling 12-month emissions of the pollutant, as determined using the CEMS data, to the applicable annual planned MSS emissions limit in the MAERT. For each pollutant emitted during non-ILE planned MSS activities whose emissions occur through a stack, but are not measured using CEMS as per Special Condition 9.A.: a. For each calendar month, the permit holder shall determine the total emissions of the' pollutant through the stack that result from such non-ILE planned MSS activities in a«cordance ",1th Special Condition 9.B. b. Once monthly emissions have been determined in accordance with Special Condition 8.B.2.a. for 12 months after the MSS permit amendment is issued, the permit holder shall compare the rolling 12 month emissions for the pollutant to the applicable annual plarrned MS S emissions limit in the MAERT. For each pollutant emitted during non-ILE planned MSS activities whose emissions do not occur through a stack: a. For each calendar month, the permit holder shall determine the total emissions of the pollutant from such non-ILE plarrned MSS activities in accordance with Special Condition 9.B. b. Once monthly emiSSIOns have been determined in accordance with Special Condition 8.B.3.a. for 12 months after the MSS permit amendment is issued, the permit holder shall compare the sum of the rolling 12 month emissions for the pollutant and the annual potential to emit 10/25/10 for the pollutant from all ILE planned MSS activities (as referenced in Special Condition 8.A.), to the annual "MSS FUG" emissions limit for the pollutant in the MAERT. 9. The permit holder shall determine the emissions during planned MSS activities for use in Special Condition 8 as follows. -~ , A. For each pollutant whose emissions are measured with a CEMS that has been certified to measure the pollutant's emissions over the entire range of a planned MSS activity, the permit holder shall measure the emissions of the pollutant during the planned MSS activity using the CEMS. , B. For each pollutant not described in Special Condition 9.A., the permit holder shall calculate the pollutant's emissions during all occurrences of each type of planned MSS activity for each calendar month using the frequency of the planned MSS activity identified in work orders or equivalent records and the emissions of the pollutant during the planned MSS activity as represented in the planned MSS permit application. In lieu of using the emissions of the pollutant during the planned MSS activity as represented in the planned MSS permit application to calculate such emissions, the permit holder may determine the emissions of the pollutant during the planned MSS activity using an appropriate method, including but not limited to, any of the methods described in paragraphs 1 through 4 below, provided that the permit holder maintains appropriate records snpporting such determination: 1. Use of emission factor(s), facility-specific parameter(s), and/or engineering knowledge of the facility's operations. 2. Use of emissions data measured (by a CEMS or during emissions testing) during the same type of planned MSS activity occurring at or on a similar facility, and correlation ofthat data with the facility's relevant operating parameters, including, but not limited to, electric load, temperature, fuel input, and fuel sulfur content. I II I 3. Use of emissions testing data collected during a planned MSS activity occurring at or on the facility, and correlation of that data with the facility's relevant operating parameters, including, but not limited to, electric load, temperature, fuel input, and fuel sulfur content. 4., Use of parametric monitoring system (PEMS) data applicable to the facility. 10/25/10 10. With the exception of the emission limits in the MAERT attached to this permit, the permit conditions relating to planned MSS activities do not become effective until 180 days after issuance of the permit amendment that added such conditions. 10/25/10 Attachment A Permit No. (fill in) Inherently Low Emitting (ILE) Planned Maintenance Activities [NOTE: THE ACTIVITIES IN THIS TABLE ARE THE TYPES OF ACTIVITIES THAT SHOULD BE CONSIDERED FOR INCLUSION ON THIS TABLEAS INHERENTLY LOW EMITTING aLE) PLANNED MAINTENANCE ACTIVITIEST 1 , , filter maintenance im0.5 psia that does not require clearing of the vessels to for and repair, replacement, adjusting, testing, and calibration of iHnHlvti""l equipment, process instruments including sight glasses, meters, PEMS. ~ , I =1 -unit SmaIl equipment and fugitive component repair/replacement in VOC an service8 x 10125/10 Notes: 1. Includes, but is not limited to, baghouse filters, ash silo/transfer filters, coal handling filters, process-related building air filters, and combustion turbine air intake filters. 2. Includes pre-heater basket handling and maintenance, refractory change-out, fan maintenance and balancing, damper, air heater, and soot blower maintenance, and any other general boiler maintenance that does not exceed the worst-case emissions representation in the application. 3. Includes, but is not limited to, replacement, cleaning, activation, and deactivation of SCR and oxidation catalysts. 4. Includes, but is not limited to, management by vacuum truck/dewatering of materials in open pits and ponds, and sumps, tanks and other closed or open vessels. Materials managed include water and sludge mixtures containing miscellaneous VOCs such as diesel, lube oil, and other waste oils. 5. Includes, but is not limited to, explosive blasting, clinker shooting, and other boiler deslagging activities; does not include dry abrasive blasting that may occur in boilers. 6. In most permits, material handling system maintenance will be included in Attachment A only if the permit existing at the time the MSS permit amendment is issued does not contain emissions limits for the material handling system equipment on which the maintenance occurs. Material handling system equipment includes, but is not limited to, silos, transport systems, coal bunkers, coal crushing equipment, coal handling, nuvafeeders, hoppers, FGD sludge handling system. Materials handled include coal, ash, limestone, gypsum, mercury, and sorbents. 7. Involves use of water only 8. Includes, but is not limited to, (i) repair/replacement of pumps, compressors, valves, pipes, flanges, transport lines, filters and screens in natural gas, fuel oil, diesel oil, ammonia, lube oil, and gasoline service, (ii) vehicle and mobile equipment maintenance that may involve small VOC emissions, such as oil changes, transmission service, and hydraulic system service, and (iii) off-line NOx control device maintenance (including maintenance of the anhydrous anunonia systems and aqueous ammonia systems associated with SCR systems and SNCR systems) 10/25/10 Attachment B Permit No. (fill in) Non-ILE Planned Maintenance Activities Ii -I ! of storage vessels gasoline or other material vapor pressure >0.5 psia that clearing of the vessels to for of gas conditioning system - ............................. unit online,'" .... gas conditioning system - unit 0 ffline 4 control device maintenance online control device maintenance online control device maintenance online test of boiler , cj" MSSFUG x STK1 MSSFUG x x x x STK1 STK1 STK1 STK1 of fans during maintenance offline small engines used at a location at a site for > 12 MSSFUG system MSSFUG x x x x x x x 10125/10 Notes: 1. Includes, but is not limited to, venting prior to pipeline pigging, and meter proving' 2. Includes, but is not limited to, (i) leak and operability checks (e.g., turbine over-speed tests, troubleshooting), (ii) balancing, and (iii) tuning activities that occur during seasonal tuning or after the completion of initial construction, a combustor change-out, a major repair, maintenance to a combustor, or other similar circumstances. 3. Includes site-wide solids vacuuming operations (e.g., SCR, baghouse, ESP, ducts, furnace, loop seals, stripper coolers, and airlocks). 4. Includes, but is not limited to, maintenance of anhydrous ammonia systems and aqueous ammonia systems used to condition flue gas before it is controlled by a PM control device. 5. Includes readiness testing for oil firing system 6. Includes, but is not limited to, application of adhesives and rubber lining 7. Includes, but is not limited to, engines used for VaCUl\m truck baghouse fan, outages, emergencies, testing, and fire training. 8. In most permits, material handling system maintenance will be included in Attachment B if the permit existing at the time the MSS permit amendment is issued contains emissions limits for the material handling system equipment on which the maintenance is occurring. Material handling system equipment includes, but is not limited to, silos, transport systems, coal bunkers, coal crushing equipment, coal handling, nuvafeeders, hoppers, FGD sludge handling system. Materials handled include coal, ash, limestone,gypsurri, mercury, and sorbents. 10125/10 EMISSION SOURCES - MAXIMUM ALLOWABLE EMISSION RATES Permit No. (fill in) This table lists the maximum allowable emission rates and all sources of air contaminants on the applicant's property covered by this permit. The emission rates shown are those derived from information submitted as part of the application for permit and are the maximum rates allowed for these facilities. Any proposed increase in emission rates may require an application for a modification of the facilities covered by this permit. ,i -," AIR CONTAMINANTS DATA ! PLANNED MAINTENANCE, STARTUP, AND SHUTDOWN (MSS) ACTIVITIES Emission Point No. Source Name Air Contaminant Name Emissions Rates lb/hr tpy STK# Unit # Stack NOx CO S02 VOC PM NH3 ?? ?? MSSFUG Planned MSS Activities (ILE and non-ILE) , I NOx CO S02 VOC PM NH3 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? " cij lFOOTNOTES FOR THE MAERTZ [THE FOLLOWING FOOTNOTE IS TO BE INCLUDED FOR EACH FACILITY WHOSE ANNUAL EMISSIONS DURING PLANNED MSS ACTIVITIES WILL NOT EXCEED ITS ANNUAL EMISSIONS LIMIT THAT IS EFFECTIVE AT THE TIME THE MSS PERMIT AMENDMENT IS ISSUED! 10125/10 Tbe tpy emission limit specified in the MAERT for this facility includes emissions from the facility during both normal operations and planned MSS activities. {THE FOLLOWING FOOTNOTE IS TO BE INCLUDED FOR EACH FACILITY WHOSE LBIHR EMISSIONS DURING PLANNED MSS ACTIVITIES WILL NOT EXCEED ITS LBIHR EMISSIONS LIMIT THAT IS EFFECTIVE AT THE TIME THE MSS PERMIT AMENDMENT IS ISSUED/ The lblhr emission limit specified in the MAERT for this facility includes emissions from the facility during both normal operations and planned MSS activities. {THE FOLLOWING FOOTNOTE IS TO BE INCLUDED IN THE MAERT, SUCH AS IN THE HEADING ENTITLED 'PLANNED MAINTENANCE. STARTUP, AND SHUTDOWN (MSS)ACTIVITIES"1 For each pollutant whose emissions during planned MSS activities are measured using a CEMS, during any clock hour that includes one or more minutes of planned MSS activities, the pollutant's hourly emission limits that apply during planned MSS activities shall apply during that clock hour. AUSTIN~I\612964v4 46794-1 10/25/2010