CERTIFICATEOFPUBLICATIONINIcIu3,e,,TheNews-GazetteTheundersigned,THENEWS-GAZETTE,INC.byitsauthorizedagent,doesherebycertifythatsaidcorporationisthepublisherofTheNews-GazetteandthatthesameisthedailysecularnewspaperofgeneralcirculationpublishedinChampaign,ChampaignCounty,Illinois,andsaidnewspaperisanewspaperasdefinedby715ILCS5/5(1992)and715 ILCS10/1(1992);saidpublisherfurthercertifiesthattheannexednoticewaspublishedinsaidnewspaper,onthefollowing date(s);12/24/201212/31/201201/07/2013PCB 13-12ILLINOISPOLLUTIONCONTRSaidpublisher furthercertifies thatthedateofthefirstpapercontainingthesaidnoticewasonthefirstdatehereinabovesetforthandthatthedateofthelastpapercontinuingthesaidnoticewasonthelast datehereinabovesetforth.TheNews-Gazette,Inc.PublisherofTheNews-GazetteBy:AuthorizedAgentPublisher’sfee$122.38Ad#1160330Attachment 7-
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IL 61938 (217) 234-2250 or online at www.currvcon.com EOE 161131Attachment 8Attachment 9Attachment 10BEFORE THE ILLINOIS POLLUTION CONTROL BOARD

V. ILLINOIS ENVIRONMENTAL PROTECTION AGENCY, Respondent.

To: John Therriault, Assistant Clerk Illinois Pollution Control Board James R. Thompson Center 100 West Randolph, Suite 11-500 Chicago, Illinois 60601-3218 Bradley Halloran, Hearing Officer Illinois Pollution Control Board James R. Thompson Center 100 West Randolph, Suite 11-500 Chicago, Illinois 60601 Kathleen C. Bassi StephenJ. Bonebrake Andrew N. Sawula 233 South Wacker Drive, Suite 6600 Chicago, IL 60606 Christopher Foley 500 West Madison Street, Suite 2640 Chicago, Illinois 60661

PLEASE TAKE NOTICE that I have todayfiled with the Office ofthe Pollution Control Board the RECOMMENDATION ofthe Illinois Environmental ProtectionAgency, a copyof which is herewith served upon you. Respectfullysubmitted, ILLINOIS ENVIRONMENTAL PROTECTION AGENCY

DATED: January 10, 2013 1021 N. Grand Ave. East P.O. Box 19276 Springfield, IL 62794-9276 (217) 782-5544 By:

### Øe,~

- DanaVetterhoffer / Assistant Counsel Division ofLegal Counsel MIDWEST GENERATION, LLC, Petitioner, PCB 13-024 (Variance-Air) 

### ) ) ) ) ) ) ) ) ) )
NOTICE Attachment 11BEFORE THE ILLINOIS POLLUTION CONTROL BOARD MIDWEST GENERATION, LLC, 

### ) ) Petitioner, 

### ) ) PCB 13-024 v. 

### ) (Variance-Air) 

### ) ILLINOIS ENVIRONMENTAL 

### ) PROTECTION AGENCY, 

### ) ) Respondent. 

### ) RECOMMENDATION The Illinois Environmental Protection Agency (“Illinois EPA” or “Agency”), by its attorney, herebyresponds to the Petition forVariance (“Petition”) ofMidwest Generation, LLC (“MWG” or “Petitioner”) from certain provisions ofthe Illinois Combined Pollutant Standard (“CPS”) and from provisions in the Illinois Pollution Control Board’s (“Board”) Order in Midwest Generation, LLC

— Waukegan Generating Station v. Illinois Environmental Protection Agency, PCB 12-121 (Aug. 23, 2012) (“Waukegan Order”). Pursuant to Section 37(a) ofthe Illinois Environmental Protection Act (“Act”) [415 ILCS 5/37(a) (2010)] and 35 Ill. Adm. Code 104.216, the Illinois EPA neither supports norobjectsto the Board granting MWG’s Petition as specified inthis Recommendation. In support ofits recommendation, the Illinois EPA states as follows. I. PROCEDURAL HISTORY 1. On November 30, 2012, MWG filed its Petition withthe Board, requesting a variance fromthe system-wide sulfur dioxide (“SO2”) emission rates setforth in 35 Ill. Adm. Code 225.295(b) from January 1, 2015, to December 31, 2016, with regard to the Crawford Generating Station in Cook County (“Crawford”), the Joliet Generating Station in Will County (“Joliet”), the Powerton Generating Station in Tazewell County (“Powerton”), the WaukeganGenerating Station in Lake County (“Waukegan”), and the Will CountyGenerating Station in Will County (“Will County”). To align with this requested relief, MWG also seeks avariance from, oramendments to, portions ofthe Waukegan Order in which the Board ordered MWG to complywith the Section 225.295(b) emission rates. Finally, MWG requests avariance fromthe requirement set forth in 35 Ill. Adm. Code 225.296(a)(2) regarding installation ofcertain SO2 control equipment on Waukegan Unit 8 by December 31, 2014; MWG requests a five-month delay in such requirement, to May31, 2015. 2. Pursuant to the Board’s procedural rules, the Illinois EPA must provide public notice ofanypetition forvariance within 14 days afterthe filing ofthe petition. 35 Ill. Adm. Code 104.214(a); See also, 415 ILCS 5/37(a) (2010). Additionally, the Illinois EPA must provide written notice ofa petition to the CountyState’s Attorney, the Chairman ofthe County Board, each member ofthe General Assemblyfrom the legislative district affected, and any person in the countywho has in writing requested notice ofvariance petitions. 35 Ill. Adm. Code 104.2 14(b). Pursuantto these requirements, the Illinois EPApublished notice ofMWG’s Petition in the Joliet HeraldNews on December 12, 2012; the PeoriaJournal Staron December 11, 2012; the Waukegan News-Sun on December 12, 2012; and the Lav~dale News/Westside Times on December 13, 2012. Consistentwith Section 104.214(b), the Illinois EPA mailed notice ofthe Petition on December 11, 2012. 3. Section 104.214(f) ofthe Board’s procedural rules provides, “Within 21 days afterthe publication ofnotice, the Agency must filewith the Board a certification ofpublication that statesthe date on which the notice was published and must attach a copyofthe published notice.” 35 Ill. Adm. Code 104.214(f). In accordancewith this requirement, the Illinois EPA filed a Certification ofPublication with the Board on December 13, 2012.

24. To date, the Illinois EPA has received one written comment regarding the Petition. William Uhirnan submitted a comment dated December 13, 2012, on behalfofUhlman Farms in Morton, IL. A copyofthe comment is attached as Exhibit A. 5. Unless otherwise ordered bythe hearing officeror Board, the Illinois EPA is required to make a recommendation to the Board on the disposition ofa petition forvariance within forty-five (45) days ofthe filing ofthe petition or any amendment thereto, or at least thirty (30) days before a scheduled hearing, whichever is earlier. 35 Ill. Adm. Code 104.216. On December 17, 2012, the Illinois EPA agreed to file its recommendation byJanuary 10, 2013. II. BACKGROUND REGARDING AFFECTED FACILITIES 6. MWG explains in its Petition that as of2013, it “will or legally could generate electricity from coal-fired units at five electric generating stations in Illinois, all subjectto the CPS,” namely Crawford, Joliet, Powerton, Waukegan, and Will County. Petition at 11 ,footnote omitted. The Illinois EPA accepts and incorporates byreference MWG’s description ofits facilities in Section II ofits Petition. Petition at 11-15. 7. MWG statesthatthe Board’s Waukegan Order required that MWG shut downthe coal-fired electric-generating unit (“EGU”) at Fisk bythe end of2012, and that Fisk is therefore not affected bythe requested variance. Petition at 11, footnote 5. The Waukegan Order also required that Petitioner shut down the coal-fired units at Crawford by December31, 2014. Petition at 12. Petitioner assertsthat, while it ceased operation ofsuch units bythe end of August 2012, it maintains the permits issued to Crawford and could therefore “legally generate electricityfromthese coal-fired units throughthe end of2014.” Petition at 12. 8. MWG indicatesthat it intends to complywiththe CPS SO2rate standards, and with requirements regarding the installation offlue gas desulfurization (“FGD”) equipment on

3designated units, throughthe use ofultra-low sulfur coal and drysorbent injection ofTrona. Petition at 15. MWG explains that it controls particulate matter (“PM”) emissions from its coalfired boilers via electrostatic precipitators (“ESPs”), anumber ofwhich must be upgraded or supplemented byother PM control measures, as injection ofTrona increasesthe particulate loading to ESPs. Petition at 15-16 9. To the best ofthe Illinois EPA’s knowledge, there are no state enforcement actions against MWG cuffentlypending before the Board. 10. Otherpending permits associated with Petitioner’s facilities are set forth in detail in Exhibit 2 to the Petition, incorporated byreference into the Agency’s Recommendation. III. RELIEF REOUESTED 11. Petitioner requests relieffrom the following provisions ofthe CPS: Section 225.295 Combined Pollutant Standard: Emissions Standards for NOx and SO2
b) Emissions Standards for SO2. Beginning in calendar year 2013 and continuing in each calendar year thereafter, the CPS group must comply withthe applicable CPS group average annual SO2 emissions rate listed as follows:

Year lbs/mmBtu

2015 0.28 2016 0.195

Section 225.296 Combined Pollutant Standard: Control Technology Requirements for NOx, SO2, and PM Emissions a) Control Technology Requirements for NOx and SO2.

42) On orbefore December31, 2014, the owneror operator must eitherpermanentlyshut down or install and have operational FGD equipment on Waukegan 8; 35 Ill. Adm. Code 225.295(b) and 225.296(a)(2). 12. Consistentwith the reliefrequested above, MWG also requests avariance from,
oradjustmentsto, Condition 1(a) ofthe Board’s Waukegan Order, which provides: The Board grants Midwest Generation, LLC

—Waukegan Generation Station (Midwest Generation) avariance forWaukegan Unit 7.

. . fromthe requirements of Section225.296(a)(l) and (c)(1) subject tothe following conditions: 1. During the period ofthevariance, Midwest Generationmust: (a) complywiththe system-wide SO2emissions rate setforth in Section 225.295(b),
Waukegan Orderat20. 13. In conjunctionwith these requests, MWG proposes to complywith a system-wide SO2 annual emission rate of0.38 ib/niniBtu in 2015 and 2016. Petition at 22. MWG also commits to: 1) achieving a mass SO2 emission level no greaterthan 39,000 tons peryear in 2015, and no greaterthan 37,000 tons peryear in 2016; 2) emitting no morethan 57,000 tons ofSO2 in 2013 and no morethan 54,000 tons ofSO2 in 2014; and 3) not operating the Crawford coal-fired units in 2013 and 2014, thetwo years priorto the date ofshutdown required bythe Waukegan Order. Petition at 22. MWG will then complywith the SO2 annual emission rate of0.15 lb/mmBtu in 2017, as required bythe CPS. Petition at 23. 14. Finally, MWG proposes afive-month delayofthe requirementto either complete installation ofFGD equipment on Waukegan Unit 8 or shut downthe unit byDecember 31, 2014. MWG “commits to not operateWaukegan Unit 8 after December 31, 2014, until installation ofthe FGD equipment is complete.” Petition at 23.
5IV. FACTS PRESENTED IN THE PETITION 15. Pursuantto 35 Ill. Adm. Code 104.216(a), the Illinois EPA conducted an investigation ofthe facts alleged in MWG’s Petition, which included discussions with representatives ofMWG. To the extent ofthe information currently available to the Illinois EPA and its level ofexpertise, the Illinois EPA does not disagree with the facts set forth in MWG’s Petition, except as otherwise specified inthis Recommendation. 16. As discussed supra, the Illinois EPA has received one public comment regarding the Petition. V. ENVIRONMENTAL IMPACT 17. Section 104.216(b)(2) ofthe Board’s rules requires thatthe Illinois EPAstatethe location ofthe nearest air monitoring station maintained bythe Agency, where applicable. 35 Ill. Adm. Code 104.216(b)(2). The Illinois EPA confirms the locations ofthe air monitoring stations relative to MWG’s facilities as set forth in Exhibit 1 ofthe Petition, as of2010; however, in 2011, several monitors and/or sites included in Exhibit 1 were shut down. Specifically, in Lake County, the ozone monitorand site in Waukegan and the PM2.5 monitor in Zionwere discontinued. In Will County, the SO2 monitor and site inJoliet and the PM,0 monitor in Joliet
were discontinued. Affidavit ofErnest Kierbach, attached as Exhibit B. The 2011 Illinois AnnualAir Quality Report (“2011 Report”) reflects the current locations ofthe air monitoring stations in Lake, Will, and Tazewell Counties. Affidavit ofErnest Kierbach. The Illinois EPA attaches pertinent portions ofthe 2011 Report as Exhibit C.’ 18. Petitioner statesthatthe additional compliance commitments it proposes in connection with its requested relief, as described above, will ensure a net environmental benefit;

1 The2011 Reportwas most likelynot available to Petitioner atthetime the Petition forVariance was filed; itwas posted on the Illinois EPA’s website on or about November30, 2012. 6such commitments will ensure thattotal SO2 tons ofemissions are less than projected underthe 

### CPS. Petition at 2, 8-10. 19. Under MWG’s proposed mass emission limits for2013-2016, total actual tons of SO2 emissions from units permitted to operate during that period would be “less than expected based upon historical average 2008-2011 heat input and the CPS rates.” Petition at 44. Meeting such mass emission limits will provide a cumulative net reduction of3,181 tons ofSO2 overthe four-yeartenm Petition at 44. 20. Additionally, MWG explains thatthe early shutdown ofCrawford inAugust 2012 reduced SO2 emissions by approximately 1,249 tons in that year. Petition at 45. MWG proposes “to commit to no furtheroperation ofthe coal-fired units at Crawford.” Petition at 45. 21. MWG estimates that its proposed SO2 emission commitments will reduce other pollutants as well, including nitrogen oxides (“NO~”) by approximately 8,503 tons; PM by3,169 tons; mercuryby 135 pounds; and carbon dioxide (“C02”) by 16 million tons. The early shutdown at Crawford also resulted in reductions ofthese pollutants in 2012. Petition at 45. 22. MWG explains that the five-month delay in eitherinstalling FGD equipment on Waukegan Unit 8 orshutting down the unit will have no adverse impact on emissions, as MWG commits that it will not operate the unit during the deferral period. Petition at 45. 23. Petitioner indicates that system-wide reductions ofmercurywill notbe negatively impacted bythe requested variance, and PM emissions will not increase; MWG will continue to operate its activated carbon injection systems to control mercuryemissions, and will continue to operate its ESPsto control PM. Petition at 47-49. 24. The Illinois EPA notesthatthe calculated net environmental benefit is smaller thanthat calculated forpreviousvariances granted to Ameren Energy Resources on September

720, 2012, and to Midwest Generation, LLC on August 23, 2012. See Board Order inAmeren Energy Resources v. Illinois Environmental Protection Agency, PCB 12-126 (Sept. 20, 2012) (“Ameren Order”); Waukegan Order. These previously granted variances provided fora net environmental benefit of64,964 and 8,385 tons ofSO2 reductions, respectively, whereas MWG is proposing 3,181 tons ofSO2 reduction in this variance request. Ameren Order at 25; Midwest Generation, LLC

— Waukegan Generating Station v. Illinois Environmental Protection Agency, PCB 12-121, Petition forVariance at 21. As this is MWG’s second variance request inthe same year, it would be preferablethat a stronger case be made to again amend avoluntaryagreement and expend the considerable resources required by numerous parties to reviewthe merits ofthe variance request. 25. However, the amounts ofcreditable SO2 emission reductions set forth byMWG above are consistentwith the data currently availableto, and reviewed by, the Illinois EPA during the course ofits investigation ofMWG’s Petition. In particular, the emission reduction credits available as a result ofMWG ‘s proposed mass emission limitations are quantifiable and creditable. Furthermore, the determination by MWG showing anet environmental benefit in 502 emissions overthe term ofthevariance is consistentwiththe method utilized in similar previous variance requests. VI. ARBITRARYAND UNREASONABLE HARDSHIP 26. In considering whetherto grant ordenyavariance pursuantto Section 35(a) of the Act, the Board is required to determine whetherthe Petitioner has shownthat itwould suffer
an arbitraryorunreasonable hardship ifrequired to complywith the regulation orpermit requirement at issue. 415 ILCS 5/35(a) (2010). The Board’s rules require that Illinois EPA estimatethe costthat compliancewould impose onthe petitioner and on others, as well as the

8injurythatthe grant ofthe variance would impose onthe public. 35 Ill. Adrn. Code 104.21 6(b)(5). 27. MWG claims, “The need forthis variance arises from a combination of circumstances that were not foreseen, and could not have been expected to be foreseen, when the CPS was adopted in 2007.” Petition at 29. 28. First, MWG states that “the deregulated status ofpowergenerators in Illinois and the uneven playing field created bythe imposition ofstringent Illinois requirements coupled with the deferral ofcomparable federal requirements thatwould have helped to level the competitive playing field” contribute to an arbitraryand unreasonable hardship. Petition at 29. 29. MWG indicates that Illinois has a deregulated energymarket, placing Illinois facilities at a competitive disadvantage with facilities located in regulated states, where generators are allowed to recoverthe costs ofcapital projects from a consumerbase through rates. Petition at 31. Illinois electricitygenerators, onthe otherhand, are “entirelydependent on wholesale prices inthe competitive powerprice market fortheir revenue stream.” Petition at 31. 30. Further, Petitioner claims that certain Illinois emission reduction requirements, including those set forth in the Illinois Clean Air Interstate Rule (“CAIR”) and Illinois Mercury Rule, are significantlymore stringentthanthose in otherstates, andthat federal rules that would have required MWG’s competitors to incur costs similarto those undertaken by MWG have been remanded orvacated. Petition at 4-5, 29-30. For example, “the mercuryreduction requirements ofthe CPS continued to apply aftervacaturofthe [federal CleanAir Mercury Rule], and the NON, SO2, and PM reduction requirements ofthe CPS

. . . , not necessaryfor compliance with current [National Ambient Air Quality Standards] orotherfederal requirements, continue to apply in Illinois.” Petition at 30,footnote omitted.

931. MWG cites “substantial uncertainty regarding future regulatoryrequirements that applyto all coal-fired power generators.” Petition at 32. Petitioner states thatthe federal CAIR “remains the operative transport rule controlling NO~ and 

### SO2,” despite the D.C. Circuit Court’s holding that such program is “fatally flawed.” Petition at 32. The program intended to replace the CAIR, the Cross StateAir Pollution Rule (“CSAPR”), has been vacated, and it is uncertain whetherthe CSAPR will be reinstated orwhetherthe United States Enviromnental Protection Agency (“USEPA”) will promulgate a “second successorto the CAIR.” Petition at 32-33. MWG argues that “manyof[its] competitorsthat are not subject to the [CPS] can await certainty before making some ofthe capital decisions and expenditures that Midwest Generation has already begun to make.” Petition at 33. MWG goes to statethat “the regulatoryambiguity irtherent in knowing that the current program, i.e., the CAIR, is legally insufficient and not knowing what will replace it creates significant uncertaintyforfunding pollution control work.” Petition at 33. 32. Similarly, MWG explains thatthe Mercuryand AirToxics Standards (“MATS”), which requires reductions ofemissions ofmercury, hazardous metals, and hydrogen chloride from coal-and oil-fired EGUs, has been appealed. MWG argues, “The uncertainties inherent in
an appeal, including what changes in the relevant requirements might arise as a result ofthe appeal, make planning more difficult.

. . and suggest the need for control plan flexibility.” Petition at 34-35. 33. Second, MWG states that its current financial condition necessitates the granting ofthe variance. Petition at 36. 34. Petitioner explains that, to date, it has spent morethan $170 million in capital costs for CPS compliance, and that it incurs significant operating costs on an ongoing basis.

10Petition at 36. MWG plans to spend approximately$230 million in 2013 and 2014, “including forplanned controls at Powerton Unit 6 and Waukegan Unit 7 to complywith the 

### CPS 2013 and 2014 SO2 emission rates and the Waukegan Unit 7 control equipment requirements.” Petition at 5-6, 

### 26, 36. 35. MWG estimates that an additional $210 million in capital expenditures in 2013 and 2014 is necessaryto complywith the 2015 and 2016 CPS system-wide SO2 emission rates and to install FGD equipment on Waukegan Unit 8. Petition at 37. 36. Petitioner explains that it is facing significant financial challenges, due in partto steep reductions inthe price ofnatural gas and the resulting lower energy prices. Petition at 37. Additionally, MWG reports lower “capacityprices and revenues,” estimating an 85% decline in capacityrevenues in 2013, compared to 2010 and 2011 revenues. Petition at 37-38. MWG expects capacityrevenues to increase, however, in 2014 and 2015. Petition at 38. 37. MWG explains that it has also experienced substantial increases in fuel costs, with as-delivered fuel costs 60% higher inthe first nine months of2012 than during the same period in 2008. Petition at 38. With lower revenues and increased costs, MWG experienced a net loss of$63 million during the firstthree quarters of2012. Petition at 38. Petitioner estimates that operating losses and deficits are likelyto continue through 2014. Petition at 38. 38. MWG explains that thus far, it has been largely dependent on its indirect parent corporation, Edison Mission Energy (“EME”), to “fund its cash flow deficits and environmental retrofits,” but that EME’s own financial challenges “throw into question its abilityto provide funding to [MWG] to install additional controls required to complywith the CPS system-wide rates in 2015 and 2016.” Petition at 39. Both MWG and EME may need to file forprotection under Chapter 11 ofthe U.S. Bankruptcy Code and/orengage in financial restructuring. Petition

11at 39-40. MWG requests time to “workthrough its financial constraints and operating revenue issues” so that it can complywith the CPS and satisfy its other obligations aswell. Petition at 40. 39. MWG statesthat it has been unable to identifyothersources offunding forthe capital needed to install controls necessaryto achieve the 2015 and 2016 CPS system-wide SO2 emission rates. Petition at 40. Edison International, EME’s parent company, has statedthat it will not invest new funds in MWG, and MWG does not believethat “EME [or MWG] has a reasonable likelihood ofsecuring financing forthese additional control costs from an unrelated third party intime to complywith the current CPS schedule.” Petition at 40-41. 40. MWG assertsthat, ifthe requested variance is denied, Petitionerwould be faced with two possible compliance alternatives. Petition at42. MWG could attempt to fund in 2013 and 2014 the additional $210 million in control costs necessaryto complywith the portions of the CPS at issue. MWG explains that funding “would be uncertain at best and such a large additional expenditure could threaten Midwest Generation’sviability and that ofits Stations.” Petition at 42. Alternatively, MWG could be forced to significantlycurtail generation from other coal-fired units in MWG’s fleet that do not have Trona injection systems installed. Petition at 42. These curtailments could substantially reduce MWG’s revenues, result in penalties under MWG’s capacity contracts, or require regulatoryapproval to address grid reliabilityconcerns. Petition at 42. 41. MWG indicates that either ofthesetwo scenarios could adversely impact its employees, the providers ofgoods and services purchased by MWG, and statetax revenues. Petition at 43. 42. On the otherhand, Petitioner asserts thatthe effect ofgrantingthe variance would be to shift $210 million in control costs out of2013 and 2014 and into 2015 and 2016, when

12electricity capacity markets are expected to improve and certain federal regulatoryrequirements will go into effect that will help “level the competitive playing field.” Petition at 6. Deferral of these costs also provides MWG time to “conduct its financial restructuring and benefit from market recovery.” Petition at 6. 43. The Illinois EPA does not disagree that certain Illinois emission reduction requirements are more stringent than those required byotherstates or underfederal rules, but notesthat MWG was aware ofseveral ofthese requirements when the 

### CPS was promulgated and that such provisions in fact formed the backdrop fornegotiations between the Illinois EPA and powergenerators. 44. Based on the information currentlyavailableto it and its level ofexpertise, the Illinois EPA is unable to estimatethe cost ofMWG’s compliance withthe CPS provisions at issue. The Illinois EPA does not believethat any injuryto the publicwill result fromthe granting ofthe variance. The Illinois EPA, however, notes the uncertaintyassociated with the Chapter 11 bankruptcyproceedings entered into by MWG and EME in December 2012. See Information Regarding Midwest Generation ‘s Filing Under Chapter 1] ofthe Federal Bankruptcy Code, PCB 13-24 (January 8, 2013). Such proceeding may aid MWG’s compliance with current regulations, but it could also potentiallyhinder MWG’s abilityto complyboth with the CPS and with any Board Order issued regarding MWG’s requested variance. VII. CONSISTENCY WITH FEDERAL LAW 45. Pursuant to Section 35 oftheAct [415 

### ILCS 5/35 (2010)] and 35 Ill. Adm. Code 104.208(a), all petitions forvariances must be consistentwith federal law. MWG statesthatthe requested variance satisfies this requirement. Petition at 50. 46. Petitioner states that it complies withthe federal CAIR, and that itwill continue to

13do so as long as the rule is applicable. Petition at 50. 47. MWG also addresses potential concerns regarding consistencywith portions of Illinois’ federally-approved State Implementation Plan (“SIP”). On June 24, 2011, the Agency submitted portions ofthe 

### CPS, including Sections 225.295(b) and 225.296(a)(2), to USEPAfor inclusion in Illinois’ SIP addressing BestAvailable Retrofit Technology (“BART”) and regional haze. Petition at 50. On July6, 2012, the USEPAapproved Illinois’ submittal. Petition at 50. 48. MWG asserts that states are required to complywiththe limit reflecting BART no laterthan five years after SIP approval; compliance for Illinois is therefore due by mid-2017, approximatelysix months afterthe end ofthe requested variance period. Petition at 50. MWG argues thatbythattime, itwill be complying with the 2017 system-wide SO2 limit set forth in the CPS. Petition at 51. 49. MWG also explains thatthe Illinois EPA “demonstratedthatthe system-wide average SO2 emission rates included in the CPS provide greaterreductions than applying the presumptive BART rate to only BART-eligible units byapplying the ratesto average heat input,” an analysis accepted bythe USEPA. Petition at 51. Therefore, the increase in emissions due to ahigher emissions rate of0.38 lb/mmBtu “still leaves Illinois compliantwith presumptive BART levels.” Petition at 51. 50. The Illinois EPA agrees thatthere is currentlyno federal authoritythat precludes granting the instantvariance request, andthat ifgranted, the Illinois EPAwill submit the variance orderto USEPAfor approval as a SIP revision. VIII. COMPLIANCE PLAN 51. Pursuant to Section 104.204(f) ofthe Board’s rules, the Petitioner is required to present a detailed compliance plan inthe Petition forVariance. 35 Ill. Adm. Code 104.204(f).

1452. MWG’s proposed compliance plan entails: 1) limiting system-wide emissions of SO2 to no morethan 57,000 tons in 2013; 54,000tons in 2014; 39,000tons in 2015; and 37,000 tons in 2016; 2) reporting to theAgency its system-wide mass SO2 emissions for2013, 2014, 2015, and 2016 with each applicable Annual Emissions Report; 3) notoperating the coal-fired boilers at Crawford in 2013 and 2014; 4) not operating Waukegan Unit 8 from January 1, 2015, until completion ofinstallation ofFGD equipment; 5) completing installation and having operational FGD equipment on Waukegan Unit 8, orpermanently shutting down such unit, by May 1, 2015; 5) complying with system-wide annual SO2 emission rate of0.38 lb/mmBtu in 2015 and 2016; and 6) complying with the CAIR, Acid Rain Program, and all other applicable requirements during the term ofthe variance. IX. RECOMMENDATION AND CONCLUSION 53. Section 37(a) ofthe Act and Section 104.216(b)(1l) ofthe Board’s rules require that Illinois EPA make a recommendation to the Board asto the disposition ofthe petition. 415 ILCS 5/37(a) (2010) and 35 Ill. Adm. Code 104.216(b)(1 1). The burden ofproofin avariance proceeding is on the Petitionerto demonstratethat compliance withthe rule or regulation would impose an arbitraryor unreasonable hardship. See, 415 ILCS 5/35(a) (2010) and 35 Ill. Adm. Code 104.238. 54. Forthe reasons set forth above, the Illinois EPA neithersupports norobjects to the Board granting MWG’s Petition as specified in this Recommendation.

15DATED: January 10, 2013 1021 North Grand Avenue East P. 0. Box 19276 Springfield, IL 62794-9276 217 782-5544 Respectfully submitted, ILLINOIS ENVIRONMENTAL PROTECTION AGENCY By:~~. ~ DanaVetterhoffer Assistant Counsel

# EXHIBITA

### Morton, Illinois December 13, 2012 DearMr. Vetterhoffer, We recentlyreadyour Pollution Variance notice in the Peoria Journal Star. We are agricultural producers in Tazewell County notfarfrom the Powerton Generating Station. In recentyearswe have hadto apply Sulfurfertilizerto our land to maximizeyields. We would favor relaxing the sulfuremissions fromthe Powerton facilityto save expenses forourfertilizerand itwould probably save some expense forthe generating station. We will appreciateyourconsideration. Sincerely, William Uhlman
Uhlman Farms 16 MeadowbrookLane Morton, Illinois 61568

# EXHIBIT BBEFORE THE ILLINOIS POLLUTION CONTROL BOARD MIDWEST GENERATION, LLC, 

### ) ) Petitioner, 

### ) ) PCB 13-024 v. 

### ) (Variance-Air) 

### ) ILLINOIS ENVIRONMENTAL 

### ) PROTECTION AGENCY, 

### ) ) Respondent. 

### ) AFFIDAVIT I, Ernest Kierbach, under oath, depose and state as follows: 1. I am the Managerofthe Monitoring Section in the Bureau of Airatthe Illinois Environmental Protection Agency (“Illinois EPA”). 2. Several changes to the Illinois EPA’s airmonitoring networkoccurred from 2010 to 2011, including the following. In Lake County, the ozone monitorand site in Waukegan and the PM25monitor in Zion were discontinued. In Will County, the SO2 monitorand site in Joliet and the PM10 monitor in Jolietwere discontinued. 3. The 2011 IllinoisAnnualAirQuality Reportaccurately reflects the current locations ofthe airmonitoring stations in Lake, Will, andTazewell Counties. 

# (~Z~ Ernest Ki rbach
SUBSCRIBED and SWORN to before me this JO day ofJanuary, 2013. 

## /2 =j—,~-yj)~J

F~&LSEA~ CYNTHIA L. WOLFE NOTARY PUBLIC STATE OF ILLINOIS MYCOMMISSION EXPIRES 11-17-2015

# EXHIBIT CState ofIllinois Illinois Environmental Protection Agency



# Annual Air Quality Report

a 

# Illinois 2011
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- C) 

# 3

November2012

# ILLINOIS ANNUAL AIR QUALITY REPORT 2011

Illinois Environmental Protection Agency Bureau ofAir 1021 North Grand Avenue, East P.O. Box 19276 Springfield, IL 62794-9276

Printed on recycledpaper

### APPENDIX A AIR SAMPLING NETWORK DESCRIPTION OF THE AIR SAMPLING NETWORK
The Illinois air monitoring network is composed of instrumentation owned and operated by both the Illinois Environmental Protection Agency and by cooperating local agencies. This network has been designed to measure ambient air quality levels in the various Illinois Air Quality Control Regions (AQCR). Historically, each AQCR was classified on the basis of known air pollutant concentrations or, where these were not known, estimated air quality. A map of the AQCR’s in Illinois and overlapping into surrounding states can be found at the end of this section. Many local agencies and volunteers cooperate and support the operation of the Illinois air monitoring network. The network contains both continuous and intermittent instruments. The continuous instruments operate throughout the year, while noncontinuous instruments operate intermittently based on the schedule shown in Table Al. This is the official noncontinuous sampling schedule used bythe Illinois EPA during 2011. The illinois network is deployed along the lines described in the Illinois State Implementation Plan. An updated air monitoring plan is submitted to USEPA each year for review. In accordance with USEPA air quality monitoring requirements as set forth in Title 40 of the Code of Federal Regulations, Part 58 (40 CFR 58), five types of monitoring stations are used to collect ambient air data (SLAMS, NAMS, PAMS, SPMS and NCORE). The types of stations are distinguished from one another on the basis of the general monitoring objectives they are designed to meet. The SLAMS, NAMS, PAMS, SPMS and NCORE designations for the sites operated within the State of illinois are provided in the Annual Network Plan (epa. state.il.us/air/monitoring/index.html). All ofthe industrial sites are considered to be SPMS. Table A2 is a summary of the distribution of pollutants through the years along with total number of instruments and total number of sites. The Site Directory is listed in Table A3 and the Monitoring Directory is listed in Table A4. State/LocalAir Monitoring Station (SLAMS) Network

- The SLAMS network is designed to meet a minimum offourbasis monitoring objectives: a. To determine the highest concentrations expected to occur in the area covered by the network. b. To determine representative concentrations in areas ofhigh population density. c. To determine the airquality impact ofsignificant sources orsource categories. d. To determine general background concentration levels. 2. National Air Monitoring Station (NAMS) Network

- The NAMS network is a subset of stations selected from the SLAMS networkwith emphasis given to urban and multisource areas. The primaryobjectives ofthe NAMS network are: a. To measure expected maximum concentrations.

29JANUARY 

### TableAl 2011 Noncontinuous Sampling Schedule

FEBRUARY MARCH

S 

### Mt 10 17 24
S

3 10 17 24 31 M 4 11 18 25
M 4 11 18 25 T 5 12 19 26
T 5 12 19 

### !~I~ J~PRI:



### w 6 13 20 

### IN FUL~



### w 6 

# -~n R 7 14



# —

28

13 

### IN 27 R 7 

### IN 21 28 F 8 

### .~•I 22 29 S 2I16 23 30
F 1 

### IN 15 22 29 S 

### •1

9 16 23 30
OCTOBER SM T W R F S 2.~.3:~45j~J78 ~910 

### TI 16 17 

### II 19 20 21 22 23 25 26 27 28 29 

### Irw~T—~——— S 5 12 19 

### l~

S 4 11 

### •i 25 M 6 13

M 5 

### •i

19 26 T 7

T 

### I. 13 20 27 JUNE



### lii 27 

### IN 21 28 

### w 

### I—

15 22 29 SEP FEM 

### w 7 R 

### I.

9 16 23 30

14 21 28 F 3 10 17 24 S 4 11 18 25
3ER

R 8 15 22 29 F 2 9 16 23 

### IN S 3 10 17 —a,, 

### ~

DECEMBER SM T W R F S 1 23 4 ~ 6 7 ~•S••~•..~ 9 10 

### II~ 12 13 14~ 15 16 

### lIt 18 ~ 20 21 22 24 25 26 27 28 

### II 30 31

Every 6 Day Sampling Schedule 22 Every 3 Day Sampling Schedule SM T W R F S 2 ~ 4 5 6 7 8 

### ~io 

### 1T

16 1718 W20~22



### ~ 30 31 SM T W R F S 1 ~ 3 4 ~

~ 7~JjJ~ 1315 16 17 18 19 

### L~ ~ 27 28 

# ~T~:-~
67T~ 

# ~i1~*

S VIAY M T 

### w 2 R 

### IN 8 F 4 

### •g..~. S 5 10 

### III 6 

# :
11 16 7 12 17 22 13 18 23 14 19 24 29 20 25 30 

### p 26 31 — ~ 28
AJGU:T S M T 

### w 

### •1 R 2 

### II! F 3 8 S 4 9 14 5 10 15 6 11 16 21 12 17 22 

### I..,~...,, 18 23 28 

### IN 24 29 20 

### lii, 30 26 

### •i•~• 27

NOVEMBER S M TIW R F S 

## TIT~II

-~- -~- 

## -~-I_~_ ~~Li ~ 13 i4~ 15116 ~ 18 19 20 21 22)1124 25 26 27 28 

### I!t[ 30

30b. To measure concentrations in areas where poor air quality is combined with high population exposure. c. To provide data useable forthe determination ofnational trends. d. To provide datanecessaryto allow the development ofnationwide control strategies. 3. Photochemical Assessment Monitoring Station (PAMS) Network

- The PAMS network is required in serious, severe, and extreme ozone non-attainment areas to obtain detailed data forozone, precursors (NOx and VOC), and meteorology. VOC and NOx sampling is required forthe period June

- August each year. Ozone sampling occurs during the ozone season, April

- October. Networkdesign is based on four monitoring types. In Illinois PAMS are required in the Chicago metropolitan area only. a. Type 1 sites are located upwind ofthe non-attainment area and are located to measure background levels ofozone and precursors coming into the area b. Type 2 sites are located slightlydownwind ofthe major source areas ofozone precursors. c. Type 3 sites are located atthe area ofmaximum ozone concentrations. d. Type 4 sites are located atthe domain edge ofthe non-attainment area and measure ozone and precursors leaving the area. 4. Special Purpose Monitoring Station (SPMS) Network

- Anymonitoring site that is not a designated SLAMS orNAMS is considered a special purpose monitoring station. Some of the SPMS network objectives are as follows: a. To provide data as a supplementto stations used in developing local control strategies, including enforcement actions. b. To verifythe maintenance ofambient standards in areas notcovered bythe SLAMS/NAMS network. c. To provide data on noncriteria pollutants. 5. National Core Station (NCore) Network

- NCore is a multi pollutant networkthat integrates several advanced measurement systems. It is anticipated that each state operate at least one NCore site by2011. In Illinois, Northbrook and Bondville will be considered NCore sites. Afew ofthe NCore networkobjectives are as follows: a. Support for development ofemission strategies and accountability ofemission strategy progress through tracking long-term trends ofpollutants and theirprecursors. b. Support oflong-term health assessments that contribute to review ofNational Standards. c. Supportto scientific studies ranging across technological, health and atmospheric process disciplines. d. Support to ecosystem assessments recognizing that national air qualitynetworks benefit ecosystems assessments.

31

### TableA2

There were a number of changes to the monitoring network from 2010 to 2011. Five non-source oriented TSP/Lead monitors were discontinued. The discontinued monitors were: Alsip, Summit, Wood River, Peoria and East St. Louis. A special purpose source oriented TSP/Lead monitor was temporarily installed at the Juarez school in Chicago. Five PM25 monitors were discontinued or site access was lost: Champaign, Chicago Southeast Police Station, Zion, Oglesby and Swansea. A replacement PM2.5 site in Champaign was established. Twelve PM10 monitors were discontinued: Alsip, Chicago Carver High School, Midlothian, Blue Island, Summit, Oglesby, Nilwood, Wood River, Peoria, East St. Louis, Joliet and Carbondale. Four sulfur dioxide monitors were discontinued: Chicago Southeast Police Station, Chicago CTA, Joliet and Indiana discontinued the Rural Wabash County monitor. Two ozone monitors were discontinued: Chicago Willis Tower and Waukegan. A replacement ozone site was established in Thomasboro for site access lost in Champaign. An additional replacement ozone site was established at the Springfield Illinois Building in the State Fairgrounds for access lost atthe Springfield Blandco site. 

### Distribution ofAir Monitoring Instruments

2011 2010 2009 2008 2007 Pariculate Matter (PM2.5) 34 38 38 38 38 PM2,5 Air Quality Index 12 13 13 13 13 PM2,5 Speciation 5 5 5 5 6 Particulate Matter(PM10) 5 17 17 17 17 Total Suspended Particulates (TSP) 13 18 13 13 13 Lead 13 18 13 13 13 Continuous Mercury 1 1 1 1 1 Sulfur Dioxide 15 19 19 20 20 Nitrogen Dioxide 7 7 7 7 8 Ozone 34 36 36 36 37 Carbon Dioxide 1 1 1 1 1 Carbon Monoxide 9 9 9 9 9 Volatile Organice Compounds/Toxics 2 2 2 2 4 Wind Systems 17 18 18 18 19 Solar Radiation 2 9 9 9 9

Meteorology 3 3 3 4 4 Total Instruments 173 214 204 206 212 Total Sites 75 84 77 77 79

3265

— Buliiigton—Keokuk Interstate (Iowa-Illinois) 66

— East Central Illinois Intrastate 6?

— Metropolitan Chicago interstate (illinois—Indiana) 66

— Metropolitan Dubuque Interstate (lowa—Illinos--)Eisconsin) 69

— Metropolitan Quad Ci1i~ Interstate (illinois—Iowa) 70

— Metropolitan SL Louis Interstate (illinois—Missouri) 71

— North Central Illinois Intrastate 72

— Paducah—Cairo interstate (Kentucky—lllinos) 73

— Rockford—Janesviile—Beloil Interstate (Iilinois4isconsin) 74

— Southeast Illinois Intrastate 75

— l~’est Central Illinois Intrastate 

# AIR QUALITY CONTROL REGIONS

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ZmoCompl.ogoro 4140866 476201337 170971007 39 Oglorlro IEPA’Ermloo 32840131 457391160 170990007 40 Cooo 1.60001(0 39748049 407511016 171110001 43 001orooll911PloysooolPl0000 33083753 4487’5050 171132003 42 Em Ion IEPA Trmhr 3351(994 441476900 171150013 41 IlmolooMonllor 33198800 441430300 171150110 44 Nohoood ICPA Tosolor 238043 88 416449850 171170002 45 Alloo Cloro 800000 Elom000no> 500001 74735896 430845860 171190008 46 hnomlo Coos Ao Poodonls 74752288 4286713 50 171190010 47 &omlo Coo> Dolomo> Modoool 74836044 42874’6 50 171190024 48 hnomloCol> PiroA 10001 74872763 4’87873 00 171191067 49 Morvo 01105005100001 OsNo TV 242682.59 429059500 171191009 50 >oohlOoxmoslII 11500003 75535388 430(83650 171191010 SI EoloooodmollollAPSTroolor 75710144 429800700 171192007 52 Al1000AUD000 ICImo 74779494 430990000 171192009 53 Wood llooor WolorTroolm000 P906 75112° 3 4 0529500 171191007 54 P00001090903,008 27970738 450732950 1714300’4 P0000 Co000000oool Sooldoog 279.03 50 450874850 171410016 56 Poon.r Coo> OlOoo DoMong 281616 ‘2 450831650 171430017 57 Borlom0110Posmp&sonvn 2765(560 456167400 171430110 98 Mopli100 Clboopolloo P14,01 26742900 44938400 171416210 50 Poono IloogloorIlO. 28(679 94 451372350 171431601 60 Iloom000 Iloldom POn 2 (CIATrodor ‘55745.52 422904950 171570001 61 RooklnlondArsonol 70716975 459888660 171613002 62 EomA too llAl0STrooIor 74723869 4277551 00 171630010 63 E~snog0okI 6000080T500lm003 P9001 27815803 460884050 171670006 64 ~onng6oD Fo&mI DoMong 2733(2.59 4408832 50 171670008 65 ~onogOo9 Ilh000oAgo000dboor Bmldoog 27372800 441244900 17167001’ 66 S8onopfiokllfloooooBoldoop 27400378 441239553 171670014 67 Pokon CooAoloon 3 27527413 449289260 171790004 68 Moosol Connol Do loon 50001 432441 06 4250(7709 171850001 69 Aorlmg 9001. ModooolChoo 27508400 462982200 171950110 70 lolool P osloogE80000lml 601,001 40085446 459785320 171971002 71 IoroslovodCommEDMomloosoooo 400(7337 456403385 171971011 72 flookfordColyll 0 32781172 468160650 172910011 71 160 kford Wmnn90go Coo.oly 1104119 Dopor000000 327392 16 468310760 172910013 74 Rookfordl RoOrso orod Compony 32744000 467863766 172016110 24 29 29 L_i~169~ ‘3 2528 ~ II’~. ~26~22~~ co~72I 14

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### TableA3 2011 Site Directory

AQS ID County City Address MSA I Area Latitude Owner! Represented Longitude Operator 17-001-0007 Adams Quincy John Wood Comm. College IL EPA 1301 South 48th St. Quincy, IL-MO +39.91540937 -91.33586832 17-019-1001 Champaign Bondville State Water Survey Champaign- +40.05224171 Township Rd. 500 E. Urbana, IL -88.37254916 IL EPAISWS 17-019-0006 Champaign Champaign Ameren Substation Champaign- +40.1237962 904 N. Walnut Urbana, IL -88.229531 IL EPA 17-019-0007 Champaign Thomasboro North Thomas St. Champaign- +40.244953 IL EPA Urbana, IL -88.1881 76Chicago17-031-0001 Cook Asp Village Garage Naperville- +41.6709919 4500W. 123rd St. Michigan City, IL- -87.7324569 CCDEC IN-WIChicago17-031-2001 Cook Blue Island Eisenhower High School Naperville- +41.66210943 12700 Sacramento Michigan City, IL- -87.69646652 CCDEC IN-WIChicago17-031-0026 Cook Chicago Cermak Pump Station Naperville- +41.87372041 735 W. Harrison Michigan City, IL- -87.64532569 CCDEC IN-WIChicago17-031-0076 Cook Chicago Com Ed Maintenance Bldg. Naperville- +41.75139998 7801 Lawndale Michigan City, IL- -87.71348815 CCDEC IN-WIChicago17-031 -0063 Cook Chicago CTA Building Naperville- +41.877628 320 S. Franklin Michigan City, IL- -87.635027 IL EPA IN-WIChicago17-031-0072 Cook Chicago Jardine Water Plant Naperville- +41.89581227 1000 E. Ohio Michigan City, IL- -87.60768329 IL EPA IN-WIChicago17-031-0052 Cook Chicago Mayfair Pump Station Naperville- +41.96548483 4850 Wilson Ave. Michigan City, IL- -87.74992806 CCDEC IN-WI 17-031-0110 Cook Chicago Perez Elementar~’ School +41.855917 H.G. Kramer CCDEC 1241 19th St. -87.658419Chicago17-031-0032 Cook Chicago South Water Filtration Plant Naperville- +41.75583241 3300 E. Cheltenham P1. Michigan City, IL- -87.54534967 CCDEC IN-WIChicago17-031-0057 Cook Chicago Springfield Pump Station Naperville- +41.91286212 1745 N. Springfield Ave. Michigan City, IL- -87.72272345 CCDEC IN-WIChicago17-031 -1 003 Cook Chicago Taft High School Naperville- +41.98433233 6545 W. Hurlbut St Michigan City, IL- -87.7920017 CCDEC IN-WIChicago17-031-0064 Cook Chicago University of Chicago Naperville- +41.79078688 5720 S. Ellis Ave. Michigan City, IL- -87.601 64649 CCDEC IN-WIChicago17-031-0022 Cook Chicago Washington High School Naperville- +41 .6871 6544 3535 E. 114th St. Michigan City, IL- -87.53931548 CCDEC IN-WI Chicago 17-031-4002 Cook Cicero Cook CountyTrailer Naperville- +41.85524313 1820S. 51stAve Michigan City, IL- -87.7524697 CCDEC IN-WI

35

### TableA3 2011 Site Directory

MSA I Area Latitude Owner I AQS ID County City Address Represented Longitude OperatorChicagoLiberty School Naperville- +41.86442642 17-031-6005 Cook Cicero CCDEC 13th St. & 50th Ave. Michigan City, IL- -87.74890238 IN-WIChicagoRegional Office Building Naperville- +42.06028469 17-031-4007 Cook Des Plaines IL EPA 9511 W. Harrison St Michigan City, IL- -87.86322543 IN-WIChicagoWater Pumping Station Naperville- +42.06185724 IL EPA 17-031-7002 Cook Evanston 531 E. Lincoln Michigan City, IL- -87.67416716 IN-WIChicagoCook County Trailer Naperville- +41.66812034 CCDEC 17-031 -1 601 Cook Lemont 729 Houston Michigan City, IL- -87.99056969 IN-WIChicagoLyons Village Hall Naperville- +41.80116701 IL EPA 17-031-1016 Cook Township 50th St & Glencoe Michigan City, IL- -87.831 9447 IN-WIChicago4th District Court Building Naperville- +41 .872201 58 CCDEC 17-031-6003 Cook Maywood 1500 Maybrook Dr. Michigan City, IL- -87.8261648 IN-WIChicago4th District Court Building Naperville- +41.8728972 CCDEC 17-031-6006 Cook Maywood 1500 Maybrook Dr. Michigan City, IL- -87.82587249 IN-WI Chicago Com Ed Maintenance Naperville- +41.87211684 CCDEC 17-031-6004 Cook Maywood 1505S. FirstAve Michigan City, IL- -87.82908025 IN-WI Chicago Northbrook Water Plant Naperville- +42.13999619 IL EPA 17-031-4201 Cook Northbrook 750 Dundee Rd. Michigan City, IL- -87.79922692 IN-WI Chicago EPA Trailer Naperville- +41.96519348 17-031-3103 Cook Schiller Park IL EPA 4743 Mannheim Rd. Michigan City, IL- -87.87626473 IN-WIChicagoGraves Elementary School Naperville- +41.78276601 17-031-3301 Cook Summit CCDEC 60th St. & 74th Ave. Michigan City, IL- -87.80537679 IN-WIChicagoMorton Arboretum Naperville- +41 .81 304939 IL EPA 17-043-6001 DuPage Lisle Route 53 Michigan City, IL- -88.0728269 IN-WIChicago17-043-4002 DuPage Naperville City Hall Naperville- +41 .771 07094 IL EPA 400 S. Eagle St. Michigan City, IL- -88.15253365 IN-WI Central Junior High School +39.0671 5932 17-049-1 001 Effingham Effingham Route 45 South Effingham, IL -88.54893401 IL EPA Ten Mile Creek DNR Office +38.08215516 Mt. Vernon, IL IL EPA 17-065-0002 Hamilton Knight Prairie State Route 14 -88.6249434 Illini Junior High School +39.11053947 St. Louis, MO-IL IL EPA 17-083-1 001 Jerse~rviIIe Jerse~’viIle Liberty St. & County Rd. -90.32407986 Chicago Health Department Naperville- +41.78471651 17-089-0007 Kane Aurora IL EPA 1240 N. Highland Michigan City, IL- -88.32937361 IN-WI

36

### TableA3 2011 Site Directory

MSA I Area Latitude Owner! AQS ID County City Address Represented Longitude OperatorChicagoLarsen Junior High School Naperville- +42.0491 4776 IL EPA 17-089-0005 Kane Elgin 665 Dundee Rd. Michigan City, IL- -88.27302929 IN-WI Chicago McKinley School Naperville- +42.050403 IL EPA 17-089-0003 Kane Elgin 258 Lovell St. Michigan City, IL- -88.28001471 IN-WIChicago17-097-1 007 Lake Zion Camp Logan Naperville- +42.4675733 IL EPA Illinois Beach State Park Michigan City, IL- -87.81004705 IN-WI Ottawa-Streator, +41.29301454 17-099-0007 La Salle Oglesby 308 Portland Ave. IL -89.04942498 IL EPA IEPATrailer +39.86683389 17-115-0013 Macon Decatur Decatur, IL IL EPA 2200 N. 22nd -88.92559445 Mueller +39.862542 17-115-0110 Macon Decatur Mueller IL EPA 1226 E. Garfield -88.940894

IEPATrailer +39.39607533 17-117-0002 Macoupin Nilwood St. Louis, MO-IL IL EPA Heaton & Dubois -89.80973892 Clara Barton School +38.8901 8605 17-119-0008 Madison Alton St. Louis, MO-IL IL EPA 409 Main St. -90.14803114 SIU Dental Clinic +38.90308534 17-119-2009 Madison Alton St. Louis, MO-IL IL EPA 1700 Annex St. -90.14316803

Air Products +38.69443831 17-119-0010 Madison Granite City 15th & Madison St. Louis, MO-IL -90.15395426 IL EPA Fire Station #1 +38.70453426 17-119-1007 Madison Granite City 23rd & Madison St. Louis, MO-IL -90.13967484 IL EPA Gateway Medical Center St. Louis, MO-IL +38.7006315 IL EPA 17-119-0024 Madison Granite City 2100 Madison Ave. -90.14476267 Southwest Cable TV +38.72657262 St. Louis, MO-IL IL EPA 17-119-1009 Madison Maryville 200 W. Division -89.95996251 South Roxana Grade School +38.82830334 17-119-1010 Madison South Roxana St. Louis, MO-IL IL EPA Michigan St. -90.05843262 WaterTreatment Plant +38.86066947 17-119-3007 Madison Wood River St. Louis, MO-IL IL EPA 54 N. Walcott -90.10585111 Chicago Cary Grove High School Naperville- +42.221441 66 IL EPA 17-111-0001 McHenr~’ Cars’ 1st St. & Three Oaks Rd. Michigan City, IL- -88.24220734 IN-WI ISU Physical Plant Bloomington- +40.51873537 IL EPA 17-113-2003 McLean Normal Main & Gregory Normal, IL -88.99689571 Pump Station Keystone Steel & +40.653703 17-143-0110 Peoria Bartonville IL EPA Sanitation Rd. Wire -89.643375

Residential Caterpillar- +40.562633 IL EPA 17-143-0210 Peoria Mapleton 9725 W. Wheeler Rd. Mapleton Plant -89.747114 +40.697007 17-143-0037 Peoria Peoria City Office Building Peoria, IL IL EPA 613 N.E. Jefferson -89.58473722 +40.70007197 Commercial Building Peoria, IL IL EPA 17-143-0036 Peoria Peoria 1005 N. University -89.61341 375 Fire Station #8 +40.68742038 17-143-0024 Peoria Peoria Peoria, IL IL EPA MacArthur & Hurlburt -89.60694277 +40.74550393 Peoria Heights High School Peoria, IL IL EPA 17-143-1 001 Peoria Peoria Heights 508 E. Glen Ave. -89.58586902 IEPA Trailer +38.17627761 17-157-0001 Randolph Houston Houston, IL IL EPA Hickory Grove & Fallview -89.78845862

37

### TableA3 2011 Site Directory

MSA I Area Latitude Owner! AQS ID County City Address Represented Longitude Operator Davenport- Rock Rock Island Arsenal +41.51472697 17-161-3002 Rock Island Moline-Rock IL EPA Island 32 Rodman Ave. -90.51735026 Island, IA-IL Agricultural Building +39.83192087 IL EPA 17-167-0012 Sangamon Springfield State Fair Grounds Springfield, IL -89.64416359 Illinois Building +39.831522 17-167-0014 Sangamon Springfield State Fair Grounds Springfield, IL -89.640926 IL EPA +39.7993092 Federal Building Springfield, IL IL EPA 17-167-0008 Sangamon Springfield 6th St. & Monroe -89.64760789 +39.80061377 17-167-0006 Sangamon Springfield Sewage Treatment Plant Springfield, IL IL EPA 3300 Mechanicsburg Rd. -89.591 22532 RAPS Trailer +38.61203448 17-163-0010 St. Clair East St. Louis St. Louis, MO-IL IL EPA 13th & Tudor -90.16047663 Fire Station #3 +40.55646017 17-179-0004 Tazewell Pekin Peoria, IL IL EPA 272 Derby -89.65402807 Gibson County, +38.397276 17-185-0001 Wabash Mount Carmel Division St. Indiana IN-Mt. Carmel, IL -87.773631 Sauk Medical Clinic +41.788383 Sterling Steal Co. IL EPA 17-195-0110 Whiteside Sterling 705 West 3rd St. -89.706728 Chicago Com Ed Training Center Naper-ville- +41.22153707 IL EPA 17-197-1011 Will Braidwood 36400 S. Essex Rd. Michigan City, IL- -88.19096718 IN-WIChicagoPershing Elementary School Naperville- +41.52688509 17-197-1002 Will Joliet IL EPA Midland & Campbell Sts. Michigan City, IL- -88.11647381 IN-WI +42.33498222 Maple Elementary School Rockford, IL IL EPA 17-201-2001 Winnebago Loves Park 1405 Maple Ave. -89.0377748 +42.26767353 17-201-0011 Winnebago Rockford City Hall Rockford, IL IL EPA 425 E. State -89.08785092 Health Department +42.26308105 Rockford, IL IL EPA 17-201-0013 Winnebago Rockford 201 Division St. -89.09276716 J. Rubin & Company Gunite +42.240867 IL EPA 17-201-0110 Winnebago Rockford 305 Peoples Ave. Corporation -89.091 467

38

### TableA4 2011 Monitoring Directory

AQS ID City

17-001-0007 c’4 C’) 0 0 0 C) C) z Quincy a) 0 N 0 0 C) a) 0. U, C” 0. o

— c~ o_ o~ C” 0.

17-019-0004 17-019-0006 17-019-0007 Ca 0 Cl, 0 Ca a) .0 0~ 0. C/,HE 0 >‘ U) •0 c~ C) 0 0 U) > 0 Ci 1< 0Iin C-) 0) 0 0 0 a) a) 

# H

17-019-1001 Bondville 17-031-0001 Alsip 1 7-031-0022 Chicago Washington High School 17-031-0026 Chicago Cermak Pump Station 17-031-0032 Chicago South Water Filtration 17-031-0042 17-031-0050 17-031-0052 Chicago Mayfair Pump Station Chicago 17-031-0057 SpringfIeld Pump Station 17-031-0060 

# I

17-031-0063 17-031-0064 Chicago cTA Building Chicago University ofchicago Chicago 17—031-0072 Jardine Water Plant

— Chicago 1 7-031-0076 com ~ Maintenance

— — 

# I

17-031-0110 Chicago Perez Elementary 17-031-1003 Chicago Taft High School 17-031-1016 Lyons Township 17-031-1601 C = Continuous PM1O T = Trace level monitor

39

### Table A4 2011 Monitoring Directory

C 

### ~

.~ ~ 2 .2 AQSID City < U) >‘ 0

~ 0 ~ ~- .~ 0 (‘4 (‘4 Q

— (‘4 (‘1 (‘4 (‘4 C) ~ (5 5 0 0 0 N ~ Q Q C) C) Z 0 Q~ Q. 0. 0~ U) > i-
~- U) ~ 17-031-1901 17-031-2001 Blue Island 17-031-3103 Schiller Park

~- 17-031-3301 Summit 17-031-4002 Cicero cook CountyTrailer 17-031-6005 Cicero Liberty School 17-031-4007 Des Plaines 17031 4201 Northbrook1 T 1 7-031-6003 Maywood 4 District Court 1 7-031-6004 Maywood Corn Ed Maintenance 1 7-031-6006 Maywood 4 District Court 17031 7002 Evanston 17-043-4002 Naperville 1 7-043-6001 Lisle 17-049-1001 Effingham 17-065-0002 Knight Prairie

----~ ---- 1 7-077-0004 17-083-1001 Jerseyville 1 7-089-0003 Elgin Mckinley School 17-089-0005 21gm Larsen Jr. High School 17-089-0007 17-097-1002 C = Continuous PM1O T = Trace level monitor 1 = Northbrook also measures NOy and black carbon

40

### TableA4 2011 Monitoring Directory

AQS ID City

17-097-1007 C’) C’) o 0 0 o e z a) t 0 N 0 0 C 0 a) 0 a) 0. U) B) C’) 0~ Zion C’) a B) C’) 0~ C’) 0 U) 0 a) a) .0 0~aU)I0 0 > S a) 0 >‘ U) C 0 0 >< 0 a) 0 U) a) C, 0 0 0 a) a)

1 7-099-0007 Oglesby 17-111-0001 Cary 17-113-2003 Normal 17-1 15-0013 Decatur EPA Trailer 17-115-0110 Decatur Mueller 1 7-1 17-0002 Nilwood 17-119-0008 17-119-2009 Alton Clara Barton Elementary Alton siu Dental Clinic 

# H

17-119-0010 Granite City Air Products 

# L

Granite City 1 7-1 19-0024 Gateway Medical Center

— — — — Granite City 17-119-1007 Fire Station #1

— — — 17-119-1 009 Maryville 17-119-1010 17-119-2007 South Roxana

17-119-3007 Wood River 17-143-0024 Peoria Fire Station #8 17-143-0036 Peoria Commercial Building 

# H

-~

Peoria City Office Building 17-143-0037 17-143-0110 17-143-0210 Bartonville Mapleton 17-1 43-1 001 Peoria Heights 17-157-0001 Houston C = Continuous PM1O T Trace level monitor

41

### Table A4 2011 Monitoring Directory

AQS ID City

17-161-3002 0 0 C” 0 0 0 to 0 a) 0. U) Coa0aC’) 0 z a) 0 N 0 Rock Island a
C’)aCL)a17-1 63-0010 17-163-4001 East St. Louis 0 (0 a) .0 a U) I— c~ 0 0 0 U) > 0 C, 0 I— 2 a) 0 >‘ U) (0 C, 0 0 0 a) a) Cu 0 U)

17-167-0006 17-167-0008 Springfield Sewage Treatment Plant Springfield Federal Building 17-167-0012 17-167-0013 17-167-0014 17-179-0004 Pekin 17-185-0001 Mount Carmel 17-1 85-1 001 17-195-0110 Sterling 17-197-0013 17-1 97-1 002 Joliet Pershing Elementary 17-197-1011 Braidwood 17-201-0011 Rockford city Hall 17-201-0013 17-201-0110 Rockford Health Department

Rockford J. Rubin & company 17-201-2001 C = Continuous PM1O T Trace level monitor

42BEFORE THE ILLINOIS POLLUTION CONTROL BOARD MIDWEST GENERATION, LLC, 

## ) ) Petitioner, 

## ) ) PCB 13-024 v. 

## ) (Variance-Air) 

## ) ILLINOIS ENVIRONMENTAL 

## ) PROTECTION AGENCY, 

## ) ) Respondent. 

## ) CERTIFICATE OF SERVICE I, the undersigned, an attorney, statethat I have served electronicallythe attached RECOMMENDATION ofthe Illinois Environmental ProtectionAgencyuponthe following persons: To: John Therriault, Assistant Clerk Kathleen C. Bassi Illinois Pollution Control Board Stephen J. Bonebrake James R. Thompson Center Andrew N. Sawula 100West Randolph, Suite 11-500 233 South Wacker Drive, Suite 6600 Chicago, Illinois 60601-3218 Chicago, IL 60606 Bradley Halloran, Hearing Officer Christopher Foley Illinois Pollution Control Board 500 West Madison Street, Suite 2640 James R. Thompson Center Chicago, Illinois 60661 100 West Randolph, Suite 11-500 Chicago, Illinois 60601 ILLINOIS ENVIRONMENTAL PROTECTION AGENCY By: 

# ~

- 

# If, dA.IIIf DanaVetterhoffer Assistant Counsel Division ofLegal Counsel DATED: January 10, 2013 1021 N. Grand Ave. East P.O. Box 19276 Springfield, IL 62794-9276 (217) 782-5544