Furnace 5 Furnace 5 Tons NOx per day30-day rolling average 12/29/20100.295340463 0.295340463 12/30/20100.291519574 0.293430018 12/31/20100.238271079 0.275043705 1/1/2011 0.250740443 0.26896789 1/2/2011 0.324256456 0.280025603 1/3/2011 0.313203644 0.285555276 1/4/2011 0.313598403 0.289561437 1/5/2011 0.312991944 0.292490251 1/6/2011 0.23762192 0.286393769 1/7/2011 0.19385679 0.277140071 1/8/2011 0.299801499 0.279200201 1/9/2011 0.285634218 0.279736369 1/10/20110.156249549 0.270237383 1/11/20110.234652248 0.267695588 1/12/2011 0.31385665 0.270772992 1/13/20110.347795799 0.275586917 1/14/2011 0.29253907 0.276584103 1/15/20110.162674208 0.270255775 1/16/20110.337431355 0.273791332 1/17/20110.282488723 0.274226202 1/18/20110.329819326 0.276873493 1/19/20110.351760487 0.280277448 1/20/20110.314182532 0.281751582 1/21/20110.272902223 0.281382858 1/22/20110.328726042 0.283276586 1/23/20110.286769394 0.283410925 1/24/20110.311842538 0.284463947 1/25/20110.149161277 0.279631709 1/26/20110.340769865 0.281739921 1/27/20110.343768232 0.283807532 1/28/20110.120117906 0.27796678 1/29/20110.217462705 0.275498217 1/30/20110.288232324 0.277163592 1/31/20110.305078154 0.278974849 2/1/2011 0.242367349 0.276245212 2/2/2011 0.294413387 0.275618871 2/3/2011 0.262693049 0.273922025 2/4/2011 0.295765966 0.273347826 2/5/2011 0.30342227 0.275541171 2/6/2011 0.296206112 0.278952815 2/7/2011 0.274445143 0.278107603 2/8/2011 0.587244219 0.28816127 2/9/2011 0.830664749 0.310641777 2/10/20110.298984448 0.312786183 2/11/20110.303307117 0.3124345322/12/20110.323928621 0.31163896

2/13/20110.315622254 0.312408399 2/14/20110.334397533 0.31813251 2/15/20110.289341014 0.316529499 2/16/20110.231620659 0.314833897 2/17/20110.156343114 0.309051356 2/18/2011 0.00898949 0.297625656 2/19/20110.006705813 0.287376432 2/20/2011 0.01420565 0.278753213 2/21/20110.072481951 0.270211744 2/22/2011 1.054208901 0.29579306 2/23/20110.894073153 0.315200748 2/24/20110.167193975 0.315801838 2/25/20110.019741688 0.305100898 2/26/20110.075971089 0.296174327 2/27/20110.252222583 0.300577816 2/28/20110.265051336 0.302164104 3/1/2011 0.291461591 0.302271746 3/2/2011 0.074973579 0.294601593 3/3/2011 0.170097726 0.292192606 3/4/2011 0.261155704 0.291084017 3/5/2011 0.281368708 0.291706539 3/6/2011 0.280038622 0.291182294 3/7/2011 0.300685809 0.291091078 3/8/2011 0.262138342 0.289955486 3/9/2011 0.276265591 0.290016168 3/10/20110.232668119 0.278196964 3/11/20110.183194447 0.256614621 3/12/20110.184676007 0.25280434 3/13/20110.197964407 0.249292916 3/14/20110.005628958 0.238682927 3/15/20110.001935089 0.228226688 3/16/20110.007036261 0.217314646 3/17/20110.098353011 0.210948379 3/18/20110.171701459 0.208951072 3/19/20110.206231568 0.210614021 3/20/20110.176068948 0.216183336 3/21/20110.171877186 0.221689049 3/22/2011 0.19805889 0.22781749 3/23/20110.321000583 0.236101444 3/24/20110.307694792 0.211217641 3/25/2011 0.27613669 0.190619759 3/26/20110.257120155 0.193617298 3/27/20110.275746083 0.202150778 3/28/20110.251565742 0.208003933 3/29/20110.271097804 0.208633107 3/30/20110.286314355 0.2093418743/31/20110.262149514 0.208364805

4/1/2011 0.249106643 0.21416924 4/2/2011 0.239285269 0.216475492 4/3/2011 0.129915685 0.212100825 4/4/2011 0.254679851 0.211211196 4/5/2011 0.282369981 0.211288908 4/6/2011 0.296412006 0.211146448 4/7/2011 0.284556318 0.211893714 4/8/2011 0.274155911 0.211823391 4/9/2011 0.256109787 0.21260478 4/10/20110.244582077 0.214651034 4/11/20110.248134706 0.216766324 4/12/2011 0.17733267 0.2160786 4/13/20110.229074872 0.223526797 4/14/20110.284004298 0.232929104 4/15/20110.286852902 0.242256325 4/16/20110.207796945 0.245904456 4/17/20110.280903313 0.249544518 4/18/20110.074338186 0.245148072 4/19/20110.119796919 0.243272338 4/20/20110.245724589 0.245733918 4/21/20110.105079596 0.242634608 4/22/20110.216544704 0.239152745 4/23/20110.227375643 0.23647544 4/24/20110.295795648 0.237130739 4/25/20110.269403925 0.237540198 4/26/20110.297598041 0.238268597 4/27/20110.320863502 0.240578522 4/28/20110.290211014 0.241215629 4/29/2011 0.25103116 0.240039523 4/30/20110.275843026 0.240495973 5/1/2011 0.293087619 0.241962005 5/2/2011 0.282945043 0.243417331 5/3/2011 0.283765761 0.248545667 5/4/2011 0.277740092 0.249314342 5/5/2011 0.240908668 0.247932298 5/6/2011 0.183752342 0.244176976 5/7/2011 0.255763528 0.243217216 5/8/2011 0.262745852 0.242836881 5/9/2011 0.270422517 0.243313972 5/10/20110.266076027 0.244030437 5/11/20110.247573132 0.244011718 5/12/20110.271900066 0.247163964 5/13/20110.276511778 0.248745195 5/14/20110.299836692 0.249272941 5/15/20110.281332983 0.249088944 5/16/20110.250428158 0.2505099845/17/20110.286472353 0.250695619

5/18/20110.265631231 0.257072054 5/19/2011 0.15478424 0.258238298 5/20/20110.227935902 0.257645341 5/21/20110.290100499 0.263812705 5/22/20110.252404538 0.265008033 5/23/20110.069139112 0.259733482 5/24/20110.333266554 0.260982512 5/25/20110.359918316 0.263999658 5/26/20110.340580064 0.265432392 5/27/20110.348636132 0.266358147 5/28/20110.334799599 0.267844433 5/29/20110.309772528 0.269802478 5/30/20110.370254793 0.272949537 5/31/20110.364884438 0.275342765 6/1/2011 0.372826505 0.278338813 6/2/2011 0.234487024 0.276696189 6/3/2011 0.282846676 0.276866408 6/4/2011 0.294502889 0.278652882 6/5/2011 0.267904573 0.281457957 6/6/2011 0.192531489 0.279350222 6/7/2011 0.323884214 0.281388167 6/8/2011 0.291899583 0.28210407 6/9/2011 0.353297746 0.28501146 6/10/20110.345259489 0.288267672 6/11/20110.367503116 0.29145444 6/12/20110.309838712 0.292565338 6/13/20110.128577861 0.286856711 6/14/2011 0.43434712 0.291957182 6/15/20110.431492578 0.297992662 6/16/20110.348976141 0.300076122 6/17/20110.273688521 0.300344698 6/18/20110.303008344 0.305285502 6/19/20110.329183347 0.308660417 6/20/20110.320691421 0.309680114 6/21/20110.311406452 0.311646845 6/22/2011 0.36262334 0.321429652 6/23/20110.297597648 0.320240689 6/24/20110.248656823 0.316531972 6/25/20110.238422785 0.31312673 6/26/20110.284496031 0.310988726 6/27/20110.319782281 0.310488149 6/28/20110.312234996 0.310570231 6/29/20110.319469757 0.308877397 6/30/20110.304598138 0.306867853 7/1/2011 0.301146929 0.304478534 7/2/2011 0.260556667 0.3053475227/3/2011 0.202251313 0.30266101

7/4/2011 0.188038634 0.299112202 7/5/2011 0.205835483 0.297043232 7/6/2011 0.089706177 0.293615722 7/7/2011 0.191309351 0.289196559 7/8/2011 0.159894836 0.284796401 7/9/2011 0.281954148 0.282418281 7/10/20110.275851518 0.280104682 7/11/20110.237867764 0.275783504 7/12/20110.257077693 0.274024803 7/13/20110.346867094 0.281301111 7/14/20110.261809628 0.275549861 7/15/20110.324521579 0.271984161 7/16/20110.192117499 0.26675554 7/17/2011 0.01552132 0.258149967 7/18/2011 0.00412787 0.248187284 7/19/20110.005986078 0.237414042 7/20/20110.004939799 0.226888988 7/21/20110.129938372 0.220840052 7/22/20110.244490395 0.216902287 7/23/20110.252247092 0.215390602 7/24/2011 0.35394261 0.218900128 7/25/20110.392194153 0.22402584 7/26/2011 0.28743733 0.224123883 7/27/20110.244210547 0.221604826 7/28/20110.264952651 0.220028747 7/29/20110.175925513 0.215243939 7/30/20110.293379477 0.214869984 7/31/20110.215076982 0.212000986 8/1/2011 0.252623089 0.211736533 8/2/2011 0.273990303 0.214127833 8/3/2011 0.19580389 0.214386675 8/4/2011 0.086990951 0.21042519 8/5/2011 0.039209957 0.208741983 8/6/2011 0.148469077 0.207313974 8/7/2011 0.26335631 0.21076269 8/8/2011 0.301596441 0.211417433 8/9/2011 0.212342106 0.209300452 8/10/20110.008690006 0.201661194 8/11/20110.177624017 0.199012738 8/12/20110.248082006 0.195719902 8/13/20110.289862163 0.196654986 8/14/20110.302538829 0.195922228 8/15/20110.287447271 0.199099887 8/16/2011 0.29468101 0.20840521 8/17/20110.239512572 0.216251367 8/18/2011 0.25780024 0.2246451728/19/2011 0.33941491 0.235794342

8/20/20110.174927234 0.237293971 8/21/20110.399068576 0.242446577 8/22/20110.317714177 0.244628813 8/23/20110.301592933 0.242883824 8/24/20110.384932796 0.242641779 8/25/20110.309613151 0.243380973 8/26/20110.319329294 0.245884931 8/27/20110.307670446 0.247308858 8/28/20110.320225857 0.252118869 8/29/20110.183633737 0.248460678 8/30/20110.068562929 0.243576876 8/31/20110.336633843 0.246377234 9/1/2011 0.278132823 0.246515318 9/2/2011 0.264931369 0.248819568 9/3/2011 0.297061031 0.255821904 9/4/2011 0.33727161 0.265757292 9/5/2011 0.258867738 0.269437247 9/6/2011 0.369971166 0.272991076 9/7/2011 0.344262049 0.274413263 9/8/2011 0.341509515 0.278718843 9/9/2011 0.392383526 0.291508627 9/10/20110.116565143 0.289473331 9/11/20110.002093869 0.281273727 9/12/20110.003025276 0.271712497 9/13/20110.003799202 0.26175451 9/14/20110.005215507 0.252346784 9/15/20110.005555648 0.242709272 9/16/20110.004618401 0.234879467 9/17/20110.003757997 0.226411392 9/18/20110.002873754 0.215193353 9/19/20110.015262302 0.209871189 9/20/20110.308788712 0.20686186 9/21/2011 0.19624334 0.202812832 9/22/20110.339720736 0.204083759 9/23/20110.331979508 0.202318649 9/24/20110.336021608 0.203198931 9/25/20110.359460609 0.204536642 9/26/20110.280963143 0.203646398 9/27/20110.087846059 0.195900405 9/28/20110.307813338 0.200039725 9/29/20110.037191176 0.198994 9/30/20110.035386476 0.188952421 10/1/20110.097993763 0.182947786 10/2/20110.409575162 0.187769245 10/3/20110.378358985 0.190479177 10/4/20110.120570845 0.18325581810/5/20110.304105515 0.184763744

10/6/20110.354160515 0.184236723 10/7/20110.348087302 0.184364231 10/8/20110.318988007 0.183613514 10/9/20110.220987308 0.177900307 10/10/20110.317234557 0.184589287 10/11/20110.248001191 0.192786198 10/12/20110.382032065 0.205419758 10/13/20110.371224858 0.217667279 10/14/20110.413284602 0.231269583 10/15/20110.394415883 0.24423159 10/16/20110.390596024 0.257097511 10/17/20110.383737762 0.269763503 10/18/20110.346850745 0.281229403 10/19/20110.374713738 0.293211118 10/20/20110.370974318 0.295283971 10/21/2011 0.33970826 0.300066135 10/22/20110.319013303 0.299375887 10/23/2011 0.37001145 0.300643619 10/24/2011 0.37784091 0.302037596 10/25/20110.364405101 0.302202412 10/26/2011 0.35748046 0.304752989 10/27/20110.353737615 0.313616041 10/28/20110.381277494 0.316064846 10/29/20110.382449234 0.327573448 10/30/2011 0.34505586 0.337895761 10/31/20110.360183491 0.346635419 11/1/20110.357379292 0.344895556 11/2/20110.335625269 0.343471099 11/3/20110.391341292 0.352496781 11/4/2011 0.28021788 0.351700526 11/5/20110.416700455 0.353785191 11/6/20110.425514947 0.356366112 11/7/20110.418882595 0.359695932 11/8/2011 0.40311325 0.365766797 11/9/20110.389135793 0.368163505 11/10/2011 0.39223294 0.372971229 11/11/20110.362840715 0.372331518 11/12/20110.425920681 0.374154712 11/13/20110.341318012 0.371755826 11/14/20110.351069948 0.370310961 11/15/20110.317129159 0.367862066 11/16/20110.245536758 0.363255365 11/17/20110.056663528 0.353582458 11/18/2011 0.2123844 0.34817148 11/19/20110.331874965 0.346868169 11/20/20110.355687887 0.34740082311/21/20110.283466758 0.346215938

11/22/20110.283107579 0.343319142 11/23/20110.327810286 0.341651455 11/24/20110.320379439 0.340183933 11/25/20110.322455337 0.339016429 11/26/20110.223434386 0.334672988 11/27/20110.343365337 0.333409249 11/28/20110.009516712 0.320978165 11/29/20110.003381304 0.309589013 11/30/20110.006180651 0.297788918 12/1/20110.082473331 0.288625386 12/2/2011 0.20081761 0.284131798 12/3/20110.197335736 0.277664946 12/4/20110.309170471 0.278630032 12/5/20110.251839147 0.273134655 12/6/20110.232281991 0.266693557 12/7/20110.247830689 0.260991827 12/8/20110.367954218 0.259819859 12/9/20110.333155128 0.257953837 12/10/20110.320901865 0.255576134 12/11/20110.351105198 0.25518495 12/12/20110.280048743 0.250322552 12/13/20110.314756436 0.249437166 12/14/20110.339445828 0.249049696 12/15/20110.299545584 0.248463577 12/16/20110.297507259 0.250195927 12/17/2011 0.2813684 0.257686089 12/18/20110.325180993 0.261445976 12/19/20110.346959143 0.261948781 12/20/20110.343728468 0.261550134 12/21/20110.204502495 0.258917992 12/22/2011 0.20001044 0.256148087 12/23/20110.318985612 0.255853932 12/24/20110.315906725 0.255704841 12/25/20110.311690871 0.255346026 12/26/20110.323316875 0.258675442 12/27/20110.329525482 0.258214113 12/28/20110.296876829 0.267792784 12/29/20110.314628801 0.278167701 12/30/20110.106377709 0.281507603 12/31/20110.319849885 0.289420154 1/1/2012 0.32104045 0.293427582 1/2/2012 0.29989435 0.296846203 1/3/2012 0.302726257 0.296631396 1/4/2012 0.293245951 0.298011623 1/5/2012 0.147888314 0.2951985 1/6/2012 0.298276084 0.2968800131/7/2012 0.253779342 0.293074184

1/8/2012 0.133441773 0.286417072 1/9/2012 0.35595065 0.287585365 1/10/2012 0.35868038 0.287837871 1/11/2012 0.15115628 0.283541456 1/12/2012 0.004508768 0.273199867 1/13/2012 0.005300774 0.262061698 1/14/2012 0.005147797 0.252248439 1/15/2012 0.003517426 0.242448777 1/16/2012 0.006086887 0.233272727 1/17/2012 0.029186858 0.223406256 1/18/2012 0.02901472 0.212808108 1/19/2012 0.183180784 0.207456519 1/20/2012 0.334554839 0.211791597 1/21/2012 0.338181059 0.216397284 1/22/2012 0.300167594 0.215770017 1/23/2012 0.325833009 0.216100893 1/24/2012 0.281474252 0.215093673 1/25/2012 0.292706262 0.214073319 1/26/2012 0.309275551 0.213398321 1/27/2012 0.321567376 0.214221339 1/28/2012 0.312839276 0.214161689 1/29/2012 0.301614501 0.220669582 1/30/2012 0.312209456 0.220414901 1/31/2012 0.321993727 0.220446677 2/1/2012 0.317432144 0.22103127 2/2/2012 0.220515078 0.218290897 2/3/2012 0.348286483 0.220125581 2/4/2012 0.39549632 0.228379182 2/5/2012 0.378796987 0.231063212 2/6/2012 0.316757524 0.233162484 2/7/2012 0.380274654 0.241390247 2/8/2012 0.370953467 0.241890341 2/9/2012 0.13446022 0.234416336 2/10/2012 0.177798328 0.235304404 2/11/2012 0.3200293 0.245821755 2/12/2012 0.262977491 0.254410979 2/13/2012 0.382213171 0.266979825 2/14/2012 0.361422659 0.278909999 2/15/2012 0.352533279 0.290458212 2/16/2012 0.359319785 0.301462643 2/17/2012 0.36861339 0.312782599 2/18/2012 0.357052957 0.318578338 2/19/2012 0.338574052 0.318712312 2/20/2012 0.340745405 0.31879779 2/21/2012 0.332507664 0.319875792 2/22/2012 0.228937333 0.3166459362/23/2012 0.292460377 0.317012141

2/24/2012 0.32726355 0.31816405 2/25/2012 0.344409838 0.319335193 2/26/2012 0.110982064 0.312315683 2/27/2012 0.2177002 0.30914438 2/28/2012 0.002784562 0.299183382 2/29/2012 0.005955925 0.288974931 3/1/2012 0.327484218 0.289157947 3/2/2012 0.341641021 0.28996491 3/3/2012 0.354782935 0.294440505 3/4/2012 0.356520803 0.294714983 3/5/2012 0.332810559 0.292625457 3/6/2012 0.340083645 0.291335013 3/7/2012 0.387448023 0.293691363 3/8/2012 0.372852247 0.293443949 3/9/2012 0.37700504 0.293645668 3/10/2012 0.367949618 0.301428648 3/11/2012 0.341264741 0.306877528 3/12/2012 0.350370201 0.307888892 3/13/2012 0.364482286 0.311272385 3/14/2012 0.36483792 0.31069321 3/15/2012 0.380392709 0.311325545 3/16/2012 0.366698058 0.311797704 3/17/2012 0.35667728 0.311709621 3/18/2012 0.33506766 0.31059143 3/19/2012 0.033659644 0.299811653 3/20/2012 0.017996769 0.289125743 3/21/2012 0.01210365 0.278171018 3/22/2012 0.008253721 0.267362553 3/23/2012 0.018803662 0.260358098 3/24/2012 0.256851647 0.25917114 3/25/2012 0.392282643 0.261338443 3/26/2012 0.374534946 0.262342613 3/27/2012 0.325404949 0.269490043 3/28/2012 0.381150543 0.274938388 3/29/2012 0.371323411 0.287223016 3/30/2012 0.308320433 0.297301833 3/31/2012 0.223550798 0.293837385 4/1/2012 0.357139645 0.294354006 4/2/2012 0.322046202 0.293262782 4/3/2012 0.307351449 0.291623803 4/4/2012 0.219273153 0.287839223 4/5/2012 0.194184621 0.282975922 4/6/2012 0.015943783 0.270592448