### 2007 Criteria Point Emissions Ranking Report for top 100 Point Sources for CO

ID Facility Name CO % of CO total Cumulative

% for CO Point Source State Total (tons) 29,225 100

06100004 Minnesota Power Inc - Boswell Energy Ctr 3,074.70 10.52 10.52 14100004 Xcel Energy - Sherburne Generating Plant 2,377.43 8.13 18.66 07100002 Boise White Paper LLC - Intl Falls 1,804.57 6.17 24.83 01700002 Sappi Cloquet LLC 1,738.88 5.95 30.78 06100001 Blandin Paper/Rapids Energy Center 1,414.31 4.84 35.62 11900002 American Crystal Sugar - E Grand Forks 1,172.09 4.01 39.63 03700011 Flint Hills Resources LP - Pine Bend 662.87 2.27 41.90 11900001 American Crystal Sugar - Crookston 662.83 2.27 44.17 13700005 US Steel Corp - Minntac 658.25 2.25 46.42 08300038 ADM Corn Processing - Marshall 619.32 2.12 48.54 02700001 American Crystal Sugar - Moorhead 510.91 1.75 50.29 13700027 Hibbing Public Utilities Com mission 456.15 1.56 51.85 03700003 Xcel Energy - Black Dog 455.16 1.56 53.40 16300003 Marathon Petroleum Co LLC 454.17 1.55 54.96 13700028 Virginia Dept of Public Utilities 434.52 1.49 56.45 13700015 Minnesota Power Inc - ML Hibbard 350.92 1.20 57.65 00900011 Verso Paper Co - Sartell Mill 344.53 1.18 58.83 03700016 Gopher Resource Corp 337.93 1.16 59.98 08900012 Great Lakes Gas Transmission - Station 2 336.42 1.15 61.13 12300055 Gerdau Ameristeel US Inc - St Paul Mill 336.07 1.15 62.28 05300015 Xcel Energy - Riverside Generating Plant 330.41 12300063 District Energy St Paul Inc-Hans O'Nyman 282.81 07500003 Northshore Mining Co - Silver Bay 245.24 03100001 Minnesota Power - Tac Harbor Energy Ctr 232.33 15100038 Fibrominn Biomass Power Plant 209.40 00700019 Norbord Minnesota 206.04 05300844 The Toro Co - Lyndale 184.14 13500008 Polaris Industries Inc - Roseau 169.56 06900014 Great Lakes Gas Transmission - Station 1 166.61 01300015 Xcel Energy - Key City /Wilmarth 166.04 03500031 iLevel by

Weyerhaeuser 151.39 04900007 USG Interiors Inc - Red Wing 149.43 14300014 Heartland Corn Products 149.16 12300012 Xcel Energy - High Bridge 148.98 11100002 Otter Tail Power Co - Hoot Lake Plant 147.53 06700005 Willmar Municipal Utilities 139.53 14100041 Waste Management Inc -Elk River Landfill 137.92 16300005 Xcel Energy - Allen S King Generating 130.42 13700113 United Taconite LLC - Fairlane Plant 117.49 13700061 Hibbing Taconite Co 113.81 08500002 Hutchinson Utilities Commission -Plant 1 108.95 05301050 University

of MN - Twin Cities 108.30 00300019 Cummins Power Generation Inc/Onan Corp 106.97 03500002 Wausau Paper Printing & Writing LLC 104.74 09100058 Great River Energy - Lakefield Junction 103.75 03700138 Pine Bend Landfill 103.1213700013 Minnesota Power - Laskin Energy Center 100.29 09900048 Great River Energy - Pleasant Valley 95.18 04300041 Corn Plus 83.08 01700006 USG Interiors Inc - Cloquet 82.56 04900005 Xcel Energy - Red Wing Generating Plant 81.64 02900004 Great Lakes Gas Transmission - Station 3 78.97 14100003 Great River Energy - Elk River 78.43 05300011 NRG Energy Center Minneapolis LLC 76.18 03700043 Seneca Wastewater Treatment Plant 74.70 15100026 Chippewa Valley Ethanol Co LLLP 73.72 13700031 Georgia-Pacific - Duluth Hardboard 72.85 07500019 Louisiana-Pacific Corp - Two Harbors 71.87 16300087 LSP Cottage Grove Cogeneration Facility 70.83 05700005 Ainsworth Engineered (USA) LLC - Bemidji 65.49 12900014 Southern Minnesota Beet Sugar Coop 63.31 12900046 Alliance Pipeline - Olivia 23-A 62.59 17100089 Veolia ES Rolling Hills Landfill Inc 62.36 03700192 WMRenewable Energy LLC - Burnsville 60.46 04700059 Alliance Pipeline - Albert Lea 25-A 59.00 01300098 Mankato Energy Center LLC 58.86 10900011 Rochester Public Utilities - Silver Lake 58.67 05700002 Potlatch Land & Lumber LLC - Bemidji 58.35 12300694 3M - Administrative Offices - Maplewood 57.77 04700055 POET Biorefining - Glenville East 56.32 10700012 Viking Gas Transmission - Ada 54.93 11900029 Viking Gas Transmission - Angus 53.98 16300001 Andersen - Main 52.37 01700003 Alltrista Consumer Products Co 52.17 01300007 CHS Oilseed Processing - Mankato 51.26 01500007 Acme-Ochs Plant 51.21 13700063 US Steel - Keewatin Taconite 47.78 09100059 CHS Oilseed Processing - Fairmont 47.78 06300025 Heron Lake BioEnergy LLC 47.19 14500008 Order of St Benedict/St John's Abbey 46.06 13900003 Rahr Malting Co - Shakopee 45.59 09500004 Viking Gas Transmission - Milaca 43.65 10500053 Minnesota Soybean Processors - Brewster 43.34 13100071 Faribault Energy Park 43.12 10900084 Mayo Medical Center Rochester 43.03 13700083 Ainsworth Engineered (USA) LLC-Cook OSB 42.97 03700014 Northern Natural Gas Co - Farmington 42.23 11100016 Viking Gas Transmission - Frazee 40.99 03900028 Al-Corn Clean Fuel 40.77 03700280 Endres Processing LLC 40.76 05300400 Covanta Hennepin Energy Resource Co LP 40.69 01300006 ADM - Mankato 40.40 16900012 Badger Foundry Co 40.06 11300014 Arctic Cat Inc 38.63 09900002 Hormel Foods Corp/QPP - Austin 38.51 15300006 Central Bi-Products - Long Prairie 38.45 05300121 Midwest Asphalt - Eden Prairie 36.80 13700022 Duluth SteamCooperative Association 35.8513500002 Marvin Windows & Doors 35.39

12300410 Waldorf Corp - A Rock-Tenn Co 35.171 year %

change 3 year %

change 5.44 12.36

27.09 222.10 1.38 3.69 -3.74 5.47 11.44 23.73 101.12 90.08 13.16 95.98 -31.83 -41.56 22.05 154.17 -6.15 25.24 0.72 96.87 14.53 110.66 115.84 104.74 7.98 44.64 -1.75 -0.90 84.38 210.54 -10.36 2.09 -3.10 -5.49 9.58 -3.39 -13.95 -10.05 -34.28 -32.54

### 2007 Criteria Point Emissions Ranking Report for top 100 Point Sources for NOx

ID Facility Name NOx % of NOx total Cumulative

% for NOx Point Source State Total (tons) 133,333 100.00

14100004 Xcel Energy - Sherburne Generating Plant 25,684.11 19.26 19.26 06100004 Minnesota Power Inc - Boswell Energy Ctr 14,429.72 10.82 30.09 05300015 Xcel Energy - Riverside Generating Plant 12,340.52 9.26 39.34 13700005 US Steel Corp - Minntac 10,246.68 7.69 47.03 03700003 Xcel Energy - Black Dog 5,982.51 4.49 51.51 13700113 United Taconite LLC - Fairlane Plant 4,263.22 3.20 54.71 13700061 Hibbing Taconite Co 4,114.05 3.09 57.80 16300005 Xcel Energy - Allen S King Generating 3,902.63 2.93 60.72 07500003 Northshore Mining Co - Silver Bay 3,897.23 2.92 63.65 13700063 US Steel - Keewatin Taconite 3,618.70 2.71 66.36 12300012 Xcel Energy - High Bridge 3,188.29 2.39 68.75 03100001 Minnesota Power - Tac Harbor Energy Ctr 2,987.77 2.24 70.99 13700062 ArcelorMittal Minorca Mine Inc 2,918.47 2.19 73.18 11100002 Otter Tail Power Co - Hoot Lake Plant 1,743.74 1.31 74.49 03700011 Flint Hills Resources LP - Pine Bend 1,447.24 1.09 75.57 10900011 Rochester Public Utilities - Silver Lake 1,338.48 1.00 76.58 06900014 Great Lakes Gas Transmission - Station 1 1,257.21 0.94 77.52 01700002 Sappi Cloquet LLC 1,215.67 0.91 78.43 13700013 Minnesota Power - Laskin Energy Center 931.98 0.70 79.13 12900014 Southern Minnesota Beet Sugar Coop 929.26 0.70 79.83 11900002 American Crystal Sugar - E Grand Forks 907.14 07100002 Boise White Paper LLC - Intl Falls 829.31 13900005 Anchor Glass Container Corp - Shakopee 758.66 11900001 American Crystal Sugar - Crookston 732.60 13700015 Minnesota Power Inc - ML Hibbard 726.65 02900004 Great Lakes Gas Transmission - Station 3 701.23 00900011 Verso Paper Co - Sartell Mill 679.67 01300015 Xcel Energy - Key City /Wilmarth 628.93 13700027 Hibbing Public Utilities Com mission 588.57 06100001 Blandin Paper/Rapids Energy Center 575.62 02700001 American Crystal Sugar - Moorhead 571.63 04900005 Xcel Energy - Red Wing Generating Plant 550.53 16300003 Marathon Petroleum Co LLC 537.56 03700015 Xcel Energy - Inver Hills Generating Plt 487.19 13700028 Virginia Dept of Public Utilities 467.01 10700012 Viking Gas Transmission - Ada 446.85 11900029 Viking Gas Transmission - Angus 440.69 05300400 Covanta Hennepin Energy Resource Co LP 439.28 03700014 Northern Natural Gas Co - Farmington 437.77 13700022 Duluth SteamCooperative Association 419.79 08500002 Hutchinson Utilities Commission -Plant 1 402.35 09500004 Viking Gas Transmission - Milaca 356.83 11100016 Viking Gas Transmission - Frazee 334.49 08300038 ADM Corn Processing - Marshall 327.82 05300011 NRG Energy Center Minneapolis LLC 288.20 14100003 Great River Energy - Elk River 273.1915300004 Viking Gas Transmission - Cushing 269.22

12300063 District Energy St Paul Inc-Hans O'Nyman 252.40 03500002 Wausau Paper Printing & Writing LLC 230.65 09900001 Austin Utilities - NE Power Station 211.47 08900012 Great Lakes Gas Transmission - Station 2 195.99 02500002 Northern Natural Gas Co - North Branch 194.53 15100038 Fibrominn Biomass Power Plant 186.40 00700019 Norbord Minnesota 184.85 13900010 Xcel Energy - Blue Lake 183.61 06700005 Willmar Municipal Utilities 177.53 10900084 Mayo Medical Center Rochester 157.73 12300053 Metropolitan Wastewater Treatment Plant 157.00 05301050 University

of MN - Twin Cities 155.91 00900035 Knife River Corp N Central Sauk Rapids 147.88 13700083 Ainsworth Engineered (USA) LLC-Cook OSB 144.46 01300007 CHS Oilseed Processing - Mankato 135.51 09900048 Great River Energy - Pleasant Valley 133.71 12300410 Waldorf Corp - A Rock-Tenn Co 133.12 01300006 ADM - Mankato 127.27 08300056 Northern Border Pipeline - Compressor 12 125.51 03500031 iLevel by

Weyerhaeuser 120.60 03700064 Xcel Energy - Wescott LNG Plant 116.33 09100043 Northern Border Pipeline - Compressor 13 115.41 12300694 3M - Administrative Offices - Maplewood 115.29 09100007 Interstate Power & Light - Fox Lake 112.06 05301018 Barton Sand & Gravel Co - Nonmetallic 107.90 00300019 Cummins Power Generation Inc/Onan Corp 107.83 01700006 USG Interiors Inc - Cloquet 98.39 12300055 Gerdau Ameristeel US Inc - St Paul Mill 98.05 04900007 USG Interiors Inc - Red Wing 96.14 09900002 Hormel Foods Corp/QPP - Austin 95.93 03700016 Gopher Resource Corp 92.03 13700031 Georgia-Pacific - Duluth Hardboard 89.52 14100041 Waste Management Inc -Elk River Landfill 82.83 08500049 3M - Hutchinson Tape Manufacturing Plant 81.15 10900005 Olmsted Waste-to-Energy Facility 79.70 01300091 Southern MN Constr Co Inc - Nonmetallic 77.10 12900046 Alliance Pipeline - Olivia 23-A 76.95 10900008 St Marys 75.54 14500008 Order of St Benedict/St John's Abbey 75.06 01700011 Northern Natural Gas Co - Wrenshall LNG 73.18 15300006 Central Bi-Products - Long Prairie 72.47 02700022 Busch Agricultural Resources - Moorhead 70.06 10900097 Milestone Materials - Nonmetallic 69.86 15100026 Chippewa Valley Ethanol Co LLLP 65.43 09100058 Great River Energy - Lakefield Junction 65.34 14500003 Melrose Dairy Proteins LLC 65.03 14300014 Heartland Corn Products 64.72 04700059 Alliance Pipeline - Albert Lea 25-A 64.31 16300025 3M - Cottage Grove Corporate Incinerator 62.98 01700019 Northern Natural Gas Co - Carlton 62.36 13900013 CertainTeed Corp 60.5704100032 Central Specialties Inc - Nonmetallic 60.33

05700005 Ainsworth Engineered (USA) LLC - Bemidji 60.221 year %

change 3 year %

change -0.54 -10.25

1.96 2.52 7.93 14.32 28.60 2.73 19.94 -17.97 -17.26 -15.22 25.97 93.39 -25.87 -33.51 -45.06 -67.16 4.64 -10.41 6.85 -38.93 -35.59 -47.48 -7.20 -11.43 -0.93 3.22 -9.45 -1.25 -14.57 -30.78 19.57 6.54 -6.02 24.55 5.21 -7.82 -58.53 -59.45 -5.60 18.59

### 2007 Criteria Point Emissions Ranking Report for top 100 Point Sources for Pb

ID Facility Name Pb % of Pb total Cumulative

% for Pb 1 year %

change 3 year %

change Point Source State Total (tons) 11.86 100 -10.08 -46.84 Note: Lead emissions for 2005 and later where updated by many facilities to better site specific emission factors instead of generic emission factors. 00300156 Federal Cartridge Co - Anoka 0.94 7.93 7.93 0.00 #DIV/0! 00900026 Grede Foundries Inc St Cloud Foundry 0.80 6.75 14.68 -46.24 -41.53 13700005 US Steel Corp - Minntac 0.79 6.68 21.36 -6.82 1484.14 01300004 Dotson Co Inc 0.66 5.60 26.95 -7.82 20.67 03700016 Gopher Resource Corp 0.60 5.06 32.01 9.12 22.48 15700015 Federal-Mogul Corp Powertrain Systems 0.50 4.20 36.22 18.63 13.24 06100004 Minnesota Power Inc - Boswell Energy Ctr 0.38 3.24 39.46 -3.85 -1.39 05300602 Rosemount Inc - Eden Prairie Facility 0.33 2.78 42.24 #DIV/0! 3200.00 12300088 Northern Iron of St Paul LLC 0.29 2.42 44.66 -10.48 -20.42 03700003 Xcel Energy - Black Dog 0.27 2.27 46.93 -7.05 -3.73 07100002 Boise White Paper LLC - Intl Falls 0.26 2.20 49.13 -3.22 -9.90 11900002 American Crystal Sugar - E Grand Forks 0.26 2.17 51.30 7.12 2.84 05300376 Inno-Flex Corp 0.24 2.02 53.32 14.29 #DIV/0! 07500003 Northshore Mining Co - Silver Bay 0.24 2.00 55.32 -5.16 -59.12 12900014 Southern Minnesota Beet Sugar Coop 0.22 1.88 57.21 -17.24 -6.90 05300004 Schwing America Inc 0.22 1.85 59.06 #DIV/0! 266.67 10900011 Rochester Public Utilities - Silver Lake 0.21 1.77 60.83 31.25 -4.55 05300099 Prospect Foundry Inc 0.20 1.71 62.55 12.88 -59.36 14100004 Xcel Energy - Sherburne Generating Plant 0.20 1.71 64.25 6.63 -96.48 13700082 Northern Castings Corp 0.20 1.65 65.90 -18.58 -62.42 04100020 Lakes Area Paving Inc 0.19 14500050 Midcon Asphalt Co - Sauk Centre Plant 0.19 05300006 Smith Foundry 0.18 12300093 Bethesda Rehabilitation Hospital 0.17 12300012 Xcel Energy - High Bridge 0.17 13700061 Hibbing Taconite Co 0.15 13700027 Hibbing Public Utilities Com mission 0.15 12300055 Gerdau Ameristeel US Inc - St Paul Mill 0.15 07300003 Municipal Castings Inc 0.1599000091 Central Specialties Inc - Plant 1 0.14

02700001 American Crystal Sugar - Moorhead 0.12 13700028 Virginia Dept of Public Utilities 0.11 06700005 Willmar Municipal Utilities 0.11 01300006 ADM - Mankato 0.10 11900001 American Crystal Sugar - Crookston 0.09 12300056 Pier Foundry 0.09 05300015 Xcel Energy - Riverside Generating Plant 0.08 09900001 Austin Utilities - NE Power Station 0.08 03700043 Seneca Wastewater Treatment Plant 0.07 16900012 Badger Foundry Co 0.06 13700022 Duluth SteamCooperative Association 0.06 13700113 United Taconite LLC - Fairlane Plant 0.06 04900082 Fil-Mor Express Inc 0.06 03700280 Endres Processing LLC 0.05 07900007 River Bend Asphalt Co 0.05 99000275 River Bend Asphalt Co - Plant 2 0.05 14300016 Seneca Foods Corp - Arlington 0.05 00900011 Verso Paper Co - Sartell Mill 0.04 12300063 District Energy St Paul Inc-Hans O'Nyman 0.04 13700015 Minnesota Power Inc - ML Hibbard 0.04 16900007 Midwest Metal Products Inc 0.04 01300048 River Bend Asphalt Co - Cedar Grove 0.04 16900086 Wincraft Inc 0.04 05301050 University

of MN - Twin Cities 0.04 06100001 Blandin Paper/Rapids Energy Center 0.04 03700011 Flint Hills Resources LP - Pine Bend 0.04 11100002 Otter Tail Power Co - Hoot Lake Plant 0.03 14100003 Great River Energy - Elk River 0.03 16300025 3M - Cottage Grove Corporate Incinerator 0.03 99000161 Central Specialties Inc - Plant 2 0.03 16900072 TRWAutomotive - Machine Bldg Division 0.03 16300005 Xcel Energy - Allen S King Generating 0.02 14500008 Order of St Benedict/St John's Abbey 0.02 11900051 Polk Cnty

Solid Waste Resource Recovery 0.02 13100017 AAF/McQuay International - Faribault 0.02 05300098 Hitchcock Industries a CPP Co 0.0205300657 Ziegler Inc - Bloomington 0.02

03500002 Wausau Paper Printing & Writing LLC 0.02 08300038 ADM Corn Processing - Marshall 0.02 03100001 Minnesota Power - Tac Harbor Energy Ctr 0.02 13700013 Minnesota Power - Laskin Energy Center 0.02 15100038 Fibrominn Biomass Power Plant 0.01 13700032 Northshore Mining Co - Babbitt 0.01 05300400 Covanta Hennepin Energy Resource Co LP 0.01 01700002 Sappi Cloquet LLC 0.01 12300622 Cardiac Pacemakers Inc/Boston Scientific 0.01 00503003 Daggett Truck Line Inc 0.01 13700006 Duluth Brass Manufacturing Inc 0.01 03900004 Energy

Economics Inc 0.01 05300882 Enviro-Chem Inc - Plant 2 0.01 03700270 Inthermo Inc 0.01 99000063 Mark Sand & Gravel Acquisition - Plant 8 0.01 13900098 MCES - Blue Lake WWTP 0.01 99000316 Minn-Dak Asphalt Inc - Boeing 600 0.01 06100039 NorthPrint International Inc - 8th St 0.01 04900038 Red Wing Solid Waste Boiler Facility 0.01 09300033 RIE Coatings 0.01 03700205 Rosemount Aerospace Inc - Burnsville 0.01 01900041 Rosemount Inc - Chanhassen Facility 0.01 07900022 Seneca Foods Corp - Montgomery 0.01 99000043 Southern MN Constr Co Inc - Plant 4 0.01 07100019 Specialty

Minerals Inc 0.01 10300024 Taylor Corp - Mankato Campus 0.01 14700029 Truth Hardware Corp - Owatonna 0.01 14700035 Truth Hardware Paint Plant - Owatonna 0.01 16900024 United Machine & Foundry 0.01 09100003 Watonwan Farm Service 0.01 09900002 Hormel Foods Corp/QPP - Austin 0.01 13700031 Georgia-Pacific - Duluth Hardboard 0.01 00700019 Norbord Minnesota 0.01Note: Lead emissions for 2005 and later where updated by many facilities to better site specific emission factors instead of generic emission factors.

### 2007 Criteria Point Emissions Ranking Report for top 100 Point Sources for PM

ID Facility Name PM % of PM total Cumulative

% for PM Point Source State Total (tons) 34,361 100

13700005 US Steel Corp - Minntac 4,090.64 11.91 11.91 06100004 Minnesota Power Inc - Boswell Energy Ctr 2,868.92 8.35 20.25 13700061 Hibbing Taconite Co 2,388.99 6.95 27.21 14100004 Xcel Energy - Sherburne Generating Plant 2,109.32 6.14 33.35 13700062 ArcelorMittal Minorca Mine Inc 1,081.08 3.15 36.49 13700063 US Steel - Keewatin Taconite 976.19 2.84 39.33 13700113 United Taconite LLC - Fairlane Plant 853.47 2.48 41.82 07500003 Northshore Mining Co - Silver Bay 820.29 2.39 44.20 03700011 Flint Hills Resources LP - Pine Bend 478.14 1.39 45.60 11100002 Otter Tail Power Co - Hoot Lake Plant 445.64 1.30 46.89 16300003 Marathon Petroleum Co LLC 388.04 1.13 48.02 00900035 Knife River Corp N Central Sauk Rapids 387.22 1.13 49.15 13700032 Northshore Mining Co - Babbitt 370.22 1.08 50.23 12300012 Xcel Energy - High Bridge 363.25 1.06 51.28 03700003 Xcel Energy - Black Dog 318.35 0.93 52.21 05300015 Xcel Energy - Riverside Generating Plant 307.90 0.90 53.11 13700013 Minnesota Power - Laskin Energy Center 298.36 0.87 53.97 11900002 American Crystal Sugar - E Grand Forks 295.56 0.86 54.83 12900014 Southern Minnesota Beet Sugar Coop 294.02 0.86 55.69 03100001 Minnesota Power - Tac Harbor Energy Ctr 260.08 0.76 56.45 01700006 USG Interiors Inc - Cloquet 242.45 13700011 United Taconite LLC - Thunderbird Mine 238.72 16300005 Xcel Energy - Allen S King Generating 228.81 13700009 Cliffs Erie - Hoy t Lakes 219.67 11900001 American Crystal Sugar - Crookston 213.04 14500029 Martin Marietta Aggregates - St Cloud 197.48 13700027 Hibbing Public Utilities Com mission 194.17 01700002 Sappi Cloquet LLC 183.19 13700043 Duluth Missabe & Iron Range Railway 179.15 03700020 ConAgra Flour Mill - Hastings 177.75 13700073 ME Global Inc 171.94 03100002 Hedstrom Lumber Co Inc - Grand Marais 155.10 05301018 Barton Sand & Gravel Co - Nonmetallic 151.09 03700115 Kraemer Mining & Materials - Burnsville 150.22 01300006 ADM - Mankato 149.95 11900017 Dahlgren & Co Inc 144.96 13700028 Virginia Dept of Public Utilities 142.33 12300088 Northern Iron of St Paul LLC 141.40 16900003 Bay

State Milling Co 135.42 13900005 Anchor Glass Container Corp - Shakopee 126.79 13900013 CertainTeed Corp 126.16 01300007 CHS Oilseed Processing - Mankato 113.81 00700019 Norbord Minnesota 111.73 10500053 Minnesota Soybean Processors - Brewster 109.38 02700001 American Crystal Sugar - Moorhead 107.91 00900011 Verso Paper Co - Sartell Mill 106.9313700082 Northern Castings Corp 106.62

06700023 Minnesota Valley Alfalfa Producers-MnVAP 100.73 10900011 Rochester Public Utilities - Silver Lake 99.27 16100013 Brown Printing Co - Waseca Division 99.15 03700138 Pine Bend Landfill 97.01 99000266 American Iron 96.00 13700031 Georgia-Pacific - Duluth Hardboard 92.03 13700288 KGM Contractors Inc - Nonmetallic 91.74 08300038 ADM Corn Processing - Marshall 91.48 15700015 Federal-Mogul Corp Powertrain Systems 89.86 04900007 USG Interiors Inc - Red Wing 87.52 07900006 ConAgra Food Ingredients Co - New Prague 85.69 12300063 District Energy St Paul Inc-Hans O'Nyman 83.69 13100022 Malt-O-Meal Co - Plant 2 - Northfield 82.39 13900044 Superior Minerals Corp - Savage 82.27 12300055 Gerdau Ameristeel US Inc - St Paul Mill 82.20 05300078 CS McCrossan Inc - Stationary 81.40 03700285 Aggregate Industries Inc - Lakeville 80.99 07300002 Ag Processing Inc - Dawson 80.89 06700005 Willmar Municipal Utilities 78.03 09900002 Hormel Foods Corp/QPP - Austin 77.80 01300004 Dotson Co Inc 76.51 07100002 Boise White Paper LLC - Intl Falls 75.16 13700015 Minnesota Power Inc - ML Hibbard 73.71 06700053 Duininck Bros Inc - Nonmetallic 72.19 07900017 Le Sueur Inc 70.01 14300014 Heartland Corn Products 67.66 07500005 Duluth Missabe & Iron Range Railway Co 67.27 04900001 ADM - Red Wing 65.89 13900003 Rahr Malting Co - Shakopee 65.87 01700043 Ulland Brothers Inc North - Nonmetallic 65.72 03700016 Gopher Resource Corp 65.62 09900001 Austin Utilities - NE Power Station 65.27 16300001 Andersen - Main 63.40 99000288 Central Specialties Inc - Plant 5 60.46 03500031 iLevel by

Weyerhaeuser 60.42 04900040 Foldcraft Co - Kenyon 59.50 10900097 Milestone Materials - Nonmetallic 59.09 14500150 Martin Marietta Materials - Nonmetallic 59.00 99000229 Central Specialties Inc - Plant 3 58.04 00900026 Grede Foundries Inc St Cloud Foundry 55.53 17100009 Dura Supreme Inc 54.49 16900012 Badger Foundry Co 52.93 01500047 Swine Com plex Inc - Feed Mill 49.41 02700022 Busch Agricultural Resources - Moorhead 48.64 99000269 Central Specialties Inc - Plant 4 47.30 05301077 Hardrives Inc - Nonmetallic 46.86 01500007 Acme-Ochs Plant 46.65 11100013 CHS - Fergus Falls French Siding 45.33 03500002 Wausau Paper Printing & Writing LLC 45.31 17300039 Prairie Grain Partners LLC - Boyd 44.50 01100026 LG Everist Inc - Nonmetallic 44.2001300091 Southern MN Constr Co Inc - Nonmetallic 43.84

05700005 Ainsworth Engineered (USA) LLC - Bemidji 43.691 year %

change 3 year %

change -10.29 -34.31

-40.14 -75.80 -15.31 -17.17 11.88 26.24 11.51 -21.75 0.83 6.43 -2.83 -58.33 5.70 28.69 -10.86 -24.90 0.31 -11.36 15.42 24.01 -14.68 -19.74 -3.83 97.54 1.50 93.87 -22.52 -32.56 -6.56 -2.81 27.84 32.68 126.08 125.40 -6.50 -22.22 -18.96 2.13 5.63 -1.87

### 2007 Criteria Point Emissions Ranking Report for top 100 Point Sources for PM10

ID Facility Name PM10 % of PM10 total Cumulative % for PM10 Point Source State Total (tons) 28,835 100

13700005 US Steel Corp - Minntac 3,406.99 11.82 11.82 06100004 Minnesota Power Inc - Boswell Energy Ctr 3,354.44 11.63 23.45 14100004 Xcel Energy - Sherburne Generating Plant 2,522.52 8.75 32.20 13700061 Hibbing Taconite Co 1,531.15 5.31 37.51 13700113 United Taconite LLC - Fairlane Plant 1,039.26 3.60 41.11 03100001 Minnesota Power - Tac Harbor Energy Ctr 1,003.39 3.48 44.59 07500003 Northshore Mining Co - Silver Bay 940.56 3.26 47.85 13700063 US Steel - Keewatin Taconite 795.14 2.76 50.61 13700062 ArcelorMittal Minorca Mine Inc 753.19 2.61 53.22 12900014 Southern Minnesota Beet Sugar Coop 453.42 1.57 54.79 04300041 Corn Plus 422.64 1.47 56.26 11100002 Otter Tail Power Co - Hoot Lake Plant 405.58 1.41 57.67 11900002 American Crystal Sugar - E Grand Forks 376.80 1.31 58.97 12300012 Xcel Energy - High Bridge 360.41 1.25 60.22 03700003 Xcel Energy - Black Dog 312.04 1.08 61.31 13700013 Minnesota Power - Laskin Energy Center 298.22 1.03 62.34 16300003 Marathon Petroleum Co LLC 297.86 1.03 63.37 03700011 Flint Hills Resources LP - Pine Bend 289.27 1.00 64.38 13700032 Northshore Mining Co - Babbitt 283.57 0.98 65.36 16300005 Xcel Energy - Allen S King Generating 220.86 0.77 66.13 02700001 American Crystal Sugar - Moorhead 191.64 11900001 American Crystal Sugar - Crookston 188.91 01700006 USG Interiors Inc - Cloquet 176.69 01700002 Sappi Cloquet LLC 176.08 10900011 Rochester Public Utilities - Silver Lake 165.53 00900035 Knife River Corp N Central Sauk Rapids 161.00 13700011 United Taconite LLC - Thunderbird Mine 136.10 13700009 Cliffs Erie - Hoy t Lakes 121.42 08300038 ADM Corn Processing - Marshall 119.77 13900005 Anchor Glass Container Corp - Shakopee 119.51 07100002 Boise White Paper LLC - Intl Falls 111.67 01300007 CHS Oilseed Processing - Mankato 110.93 01300006 ADM - Mankato 104.46 03500002 Wausau Paper Printing & Writing LLC 103.80 12300063 District Energy St Paul Inc-Hans O'Nyman 98.96 00700019 Norbord Minnesota 96.99 12300055 Gerdau Ameristeel US Inc - St Paul Mill 91.72 03700020 ConAgra Flour Mill - Hastings 88.92 13900013 CertainTeed Corp 83.27 04900007 USG Interiors Inc - Red Wing 83.09 16900003 Bay

State Milling Co 81.89 15100038 Fibrominn Biomass Power Plant 81.07 06700023 Minnesota Valley Alfalfa Producers-MnVAP 80.26 13100022 Malt-O-Meal Co - Plant 2 - Northfield 76.52 09900002 Hormel Foods Corp/QPP - Austin 75.7403700016 Gopher Resource Corp 73.88

03100002 Hedstrom Lumber Co Inc - Grand Marais 72.22 13700043 Duluth Missabe & Iron Range Railway 69.17 16300001 Andersen - Main 65.57 07900017 Le Sueur Inc 65.33 13700031 Georgia-Pacific - Duluth Hardboard 63.47 13700027 Hibbing Public Utilities Com mission 62.88 05301018 Barton Sand & Gravel Co - Nonmetallic 60.75 07300002 Ag Processing Inc - Dawson 58.97 05300015 Xcel Energy - Riverside Generating Plant 55.24 13900003 Rahr Malting Co - Shakopee 54.93 17100009 Dura Supreme Inc 54.49 14300014 Heartland Corn Products 52.68 13700073 ME Global Inc 52.45 01300004 Dotson Co Inc 50.12 13700028 Virginia Dept of Public Utilities 49.50 03500031 iLevel by

Weyerhaeuser 48.94 10500053 Minnesota Soybean Processors - Brewster 48.82 03700115 Kraemer Mining & Materials - Burnsville 48.39 15700015 Federal-Mogul Corp Powertrain Systems 47.88 00900011 Verso Paper Co - Sartell Mill 47.66 99000266 American Iron 44.50 04900001 ADM - Red Wing 43.71 02700022 Busch Agricultural Resources - Moorhead 43.19 07900006 ConAgra Food Ingredients Co - New Prague 42.71 13900044 Superior Minerals Corp - Savage 42.59 04900058 Industrial Hardwood Products Inc 41.37 13700288 KGM Contractors Inc - Nonmetallic 41.15 06100001 Blandin Paper/Rapids Energy Center 40.50 12300088 Northern Iron of St Paul LLC 40.31 09100059 CHS Oilseed Processing - Fairmont 39.68 14700061 Viracon Inc 39.32 16300087 LSP Cottage Grove Cogeneration Facility 38.55 13700082 Northern Castings Corp 37.41 13700015 Minnesota Power Inc - ML Hibbard 36.19 01500007 Acme-Ochs Plant 35.35 13700083 Ainsworth Engineered (USA) LLC-Cook OSB 33.58 12300039 Ford Motor Co - Twin Cities Assembly Plt 33.31 11900017 Dahlgren & Co Inc 32.98 00900026 Grede Foundries Inc St Cloud Foundry 32.69 06700005 Willmar Municipal Utilities 32.30 05300374 Cemstone Products - Minneapolis 31.70 04900029 Land O'Lakes Inc - Pine Island 31.32 06700053 Duininck Bros Inc - Nonmetallic 31.04 16900012 Badger Foundry Co 30.53 03700285 Aggregate Industries Inc - Lakeville 29.88 07900009 Unimin Minnesota Corp - Kasota Plant 29.36 16300014 Tower Asphalt Inc 29.35 04100027 Alexandria Extrusion Co 29.03 07900019 Unimin Minnesota Corp - Ottawa Plant 29.03 06700061 Bushmills Ethanol 28.60 05700005 Ainsworth Engineered (USA) LLC - Bemidji 28.6013100034 IFP Inc - Faribault 28.58

03700138 Pine Bend Landfill 27.90 00300031 Alter-Metal Recycling - Anoka 27.531 year %

change 3 year %

change 1.62 -14.86

-11.72 -61.60 28.68 37.80 -1.81 -4.89 6.12 22.04 34.95 57.95 6.00 243.62 -12.50 33.28 0.47 -47.66 9.83 16.50 -22.51 12.79 283.87 340.65 14.54 -9.40 0.61 -2.63 -22.54 -33.95 -6.41 -2.97 91.69 91.12 -14.39 -27.70 -19.11 -27.34 1.70 127.63 -52.85 -73.12

### 2007 Criteria Point Emissions Ranking Report for top 100 Point Sources for SO2

ID Facility Name SO2 % of SO2 total Cumulative % for SO2 Point Source State Total (tons) 109,011 100

14100004 Xcel Energy - Sherburne Generating Plant 25,493.43 23.39 23.39 06100004 Minnesota Power Inc - Boswell Energy Ctr 21,579.64 19.80 43.18 05300015 Xcel Energy - Riverside Generating Plant 12,971.94 11.90 55.08 03100001 Minnesota Power - Tac Harbor Energy Ctr 5,062.02 4.64 59.73 13700113 United Taconite LLC - Fairlane Plant 3,653.71 3.35 63.08 11100002 Otter Tail Power Co - Hoot Lake Plant 3,574.14 3.28 66.36 03700003 Xcel Energy - Black Dog 3,459.22 3.17 69.53 10900011 Rochester Public Utilities - Silver Lake 2,993.04 2.75 72.27 07500003 Northshore Mining Co - Silver Bay 2,935.40 2.69 74.97 16300005 Xcel Energy - Allen S King Generating 2,548.99 2.34 77.31 12300012 Xcel Energy - High Bridge 2,096.51 1.92 79.23 13700005 US Steel Corp - Minntac 1,811.40 1.66 80.89 03700016 Gopher Resource Corp 1,458.27 1.34 82.23 13700013 Minnesota Power - Laskin Energy Center 1,341.22 1.23 83.46 09900001 Austin Utilities - NE Power Station 1,157.80 1.06 84.52 12900014 Southern Minnesota Beet Sugar Coop 1,148.89 1.05 85.57 03700011 Flint Hills Resources LP - Pine Bend 1,044.35 0.96 86.53 04900007 USG Interiors Inc - Red Wing 941.32 0.86 87.40 00900011 Verso Paper Co - Sartell Mill 885.05 0.81 88.21 13700063 US Steel - Keewatin Taconite 788.21 0.72 88.93 11900002 American Crystal Sugar - E Grand Forks 714.40 03500002 Wausau Paper Printing & Writing LLC 650.97 13700027 Hibbing Public Utilities Com mission 592.84 06700005 Willmar Municipal Utilities 586.32 13700028 Virginia Dept of Public Utilities 571.90 11900001 American Crystal Sugar - Crookston 516.77 02700001 American Crystal Sugar - Moorhead 508.85 08300038 ADM Corn Processing - Marshall 470.91 13700022 Duluth SteamCooperative Association 429.16 13900005 Anchor Glass Container Corp - Shakopee 405.72 13700061 Hibbing Taconite Co 385.79 02700022 Busch Agricultural Resources - Moorhead 373.49 13700015 Minnesota Power Inc - ML Hibbard 354.30 01300007 CHS Oilseed Processing - Mankato 346.06 09100007 Interstate Power & Light - Fox Lake 322.74 01700002 Sappi Cloquet LLC 268.15 16300003 Marathon Petroleum Co LLC 228.25 12300063 District Energy St Paul Inc-Hans O'Nyman 214.48 13700031 Georgia-Pacific - Duluth Hardboard 200.26 05300011 NRG Energy Center Minneapolis LLC 176.88 01300006 ADM - Mankato 163.26 09900002 Hormel Foods Corp/QPP - Austin 153.63 06100001 Blandin Paper/Rapids Energy Center 139.55 15100038 Fibrominn Biomass Power Plant 134.30 03700070 Sanimax amx LLC 112.9808500049 3M - Hutchinson Tape Manufacturing Plant 108.99

07100002 Boise White Paper LLC - Intl Falls 94.88 03700043 Seneca Wastewater Treatment Plant 93.37 04900001 ADM - Red Wing 91.06 13900003 Rahr Malting Co - Shakopee 89.33 14500008 Order of St Benedict/St John's Abbey 82.38 12300055 Gerdau Ameristeel US Inc - St Paul Mill 76.40 10900084 Mayo Medical Center Rochester 74.55 12300694 3M - Administrative Offices - Maplewood 73.76 10900010 Associated Milk Producers Inc -Rochester 73.43 12300410 Waldorf Corp - A Rock-Tenn Co 72.02 10500001 Swift Pork Co - Worthington 69.03 04900005 Xcel Energy - Red Wing Generating Plant 62.71 04300041 Corn Plus 58.71 05300127 Owens Corning Roofing & Asphalt LLC Mpls 58.06 05300329 Methodist Hospital 50.71 05300061 Abbott Northwestern Hospital 47.74 14500032 Associated Milk Producers - Paynesville 42.47 05700006 Lamb Weston/RDO Frozen 42.46 13700062 ArcelorMittal Minorca Mine Inc 41.57 07300002 Ag Processing Inc - Dawson 36.49 12300030 Regions Hospital 33.70 01900001 Bongards' Creameries 33.06 01300015 Xcel Energy - Key City /Wilmarth 32.37 13700032 Northshore Mining Co - Babbitt 31.61 16900013 Malteurop North America Inc - Winona 28.99 14500003 Melrose Dairy Proteins LLC 28.97 12300053 Metropolitan Wastewater Treatment Plant 28.30 12300323 International Paper Co 26.84 15300006 Central Bi-Products - Long Prairie 26.01 12700013 Central Bi-Products - North Redwood 24.18 01500007 Acme-Ochs Plant 24.04 12300042 Macalester College 21.89 14500026 St Cloud State University 21.03 13700108 College of St Scholastica 20.79 05300241 General Mills Operations Inc -James Ford 19.01 14100003 Great River Energy - Elk River 18.97 06300025 Heron Lake BioEnergy LLC 18.45 13700278 Tate & Lyle Ingredients Americas Inc 18.14 99000179 AB Environmental 17.71 12300016 3M - St Paul Main Plant 17.03 05700005 Ainsworth Engineered (USA) LLC - Bemidji 16.82 11900016 University

of Minnesota - Crookston 16.47 99000022 Hardrives Inc - Plant 41 16.17 00700019 Norbord Minnesota 15.25 11500034 FCI Sandstone 14.83 99000289 Ulland Brothers Inc - Plant 3 14.11 04900062 Dairy

Farmers of America Inc - Zumbrota 13.75 99000018 Duininck Bros Inc - Port Plant 6 13.63 07900008 Interstate Power & Light - Montgomery 13.46 03700018 McNamara Contracting Inc 13.17 13900013 CertainTeed Corp 12.8803700078 Marigold Foods Inc - Farmington 12.64

04100021 Pope/Douglas Solid Waste Management 12.63 05300370 Joyner's Die Casting & Plating Co 12.061 year %

change 3 year %

change -7.80 -18.10

3.04 2.49 5.75 9.37 28.98 4.94 -6.03 -9.16 10.31 46.07 11.17 32.03 -6.47 9.25 26.51 -5.91 5.58 1.92 -82.25 -90.21 -38.45 -44.92 -11.89 -8.73 -6.04 -15.90 -16.74 -16.96 -44.28 -46.84 -6.42 15.75 -12.71 -8.64 -25.90 -18.31 8.41 -6.78 -0.37 14.32

### 2007 Criteria Point Emissions Ranking Report for top 100 Point Sources for VOC

ID Facility Name VOC % of VOC total Cumulative

% for VOC Point Source State Total (tons) 24,350 100

16300001 Andersen - Main 1,062.84 4.36 4.36 16300003 Marathon Petroleum Co LLC 871.75 3.58 7.94 08500049 3M - Hutchinson Tape Manufacturing Plant 625.58 2.57 10.51 01300006 ADM - Mankato 614.78 2.52 13.04 11900001 American Crystal Sugar - Crookston 562.37 2.31 15.35 01300007 CHS Oilseed Processing - Mankato 557.05 2.29 17.64 03700011 Flint Hills Resources LP - Pine Bend 480.79 1.97 19.61 09100059 CHS Oilseed Processing - Fairmont 439.29 1.80 21.41 06100001 Blandin Paper/Rapids Energy Center 439.24 1.80 23.22 11900002 American Crystal Sugar - E Grand Forks 375.99 1.54 24.76 08300038 ADM Corn Processing - Marshall 374.27 1.54 26.30 12300039 Ford Motor Co - Twin Cities Assembly Plt 325.06 1.33 27.63 07300002 Ag Processing Inc - Dawson 292.47 1.20 28.84 14100004 Xcel Energy - Sherburne Generating Plant 285.14 1.17 30.01 05300301 Pechiney

Plastic Packaging Inc - St L Pk 275.13 1.13 31.14 02700001 American Crystal Sugar - Moorhead 274.03 1.13 32.26 14700012 Crown Cork & Seal Co Inc - Owatonna 273.81 1.12 33.39 13500002 Marvin Windows & Doors 253.28 1.04 34.43 10500053 Minnesota Soybean Processors - Brewster 238.54 0.98 35.41 00900011 Verso Paper Co - Sartell Mill 223.60 0.92 36.32 09700025 Genmar Minnesota Inc 221.74 12300054 Rexam Beverage Can Co - St Paul (Eva) 204.71 07100002 Boise White Paper LLC - Intl Falls 204.49 01900022 Medallion Cabinetry Inc 197.76 14500016 NuStar - Sauk Centre Terminal 193.27 04300041 Corn Plus 184.17 03900014 McNeilus Truck & Manufacturing Inc 181.83 10900093 Rochester Medical Corp - Site 2 172.86 08300023 Mid Continent Cabinetry 165.25 05301149 FilmTec Corp 157.63 17100009 Dura Supreme Inc 152.65 12300601 SuperClean Brands Inc 151.69 13900001 Silgan Containers Mfg Corp - Savage 150.38 00900026 Grede Foundries Inc St Cloud Foundry 147.76 14100001 Crystal Cabinet Works Inc 131.11 05300408 Genpak LLC 129.68 16100013 Brown Printing Co - Waseca Division 128.63 13100005 Multek Flexible Circuits Inc-Sheldahl Rd 127.53 01300002 Crown Cork & Seal Co Inc - Mankato 125.36 00700019 Norbord Minnesota 123.53 17100085 Minnesota Diversified Products Inc -West 123.28 14100038 Plymouth Foam Inc 122.41 11700018 US Marine Corp 120.89 12300718 Hood Packaging Corp - Arden Hills 120.65 05300778 Styrotech Inc 119.36 04900001 ADM - Red Wing 118.2412300410 Waldorf Corp - A Rock-Tenn Co 114.48

06300021 AGCO Corp Jackson Operations 113.57 13500008 Polaris Industries Inc - Roseau 113.08 04900039 SB Foot Tanning Co 101.33 13700073 ME Global Inc 101.14 06100004 Minnesota Power Inc - Boswell Energy Ctr 95.28 13900013 CertainTeed Corp 90.84 12300070 Magellan Pipeline Co LP - St Paul 89.39 10900022 Crenlo LLC - Plant 2 87.06 13700031 Georgia-Pacific - Duluth Hardboard 84.16 13100022 Malt-O-Meal Co - Plant 2 - Northfield 83.51 14500176 Pan-O-Gold Baking Co 80.13 01700002 Sappi Cloquet LLC 78.61 14300014 Heartland Corn Products 73.07 08500016 Poly

Foam Inc 72.69 05300966 G & K Services - Minneapolis Industrial 71.19 16300010 Newport Terminal Corp 68.08 04100006 Magellan Pipeline Co LP - Alexandria 67.87 11100056 Lund Boat Co 66.38 11700025 Suzlon Rotor Corp 66.23 10900051 Halcon Corp 65.67 13700005 US Steel Corp - Minntac 65.34 03300025 Ethanol 2000 LLP 65.32 04500049 POET Biorefining - Preston 65.00 00300019 Cummins Power Generation Inc/Onan Corp 63.95 16900012 Badger Foundry Co 62.02 04500037 Strongwell - Chatfield Division 60.77 06700061 Bushmills Ethanol 60.55 14100036 Liberty

Paper Inc 59.70 05300384 RR Donnelley Maple Grove 59.40 09700026 Central MN Ethanol Cooperative 59.08 08500038 Plato Woodwork Inc 58.60 09100028 Brand FX Body Co dba Glasstite 58.21 14700061 Viracon Inc 58.14 10300024 Taylor Corp - Mankato Campus 57.72 05300113 Nico Products Inc 57.14 05300015 Xcel Energy - Riverside Generating Plant 56.50 12300704 Metz Baking Co of Roseville 55.40 06900014 Great Lakes Gas Transmission - Station 1 54.89 13700327 Irathane Systems Inc 54.34 04900007 USG Interiors Inc - Red Wing 53.52 16300022 3M Cottage Grove Materials Resource Division 53.01 10900094 Rochester Medical Corp - Site 1 51.79 00300155 Hoffman Enclosures Inc 50.38 05300834 GE Osmonics Inc 49.93 05300138 Northland Alum inumProducts Inc 49.82 14500157 PSI Prefinishing Specialists Inc 49.05 03500031 iLevel by

Weyerhaeuser 48.75 05300905 Woodco Prefinishing Inc 48.59 15300017 RR Donnelley Long Prairie 47.93 10300014 Alumacraft Boat Co 47.40 16300080 3M - Cottage Grove - Tape Manufacturing 47.1515100026 Chippewa Valley Ethanol Co LLLP 47.00 00900034 G & K Services - St Cloud 46.931 year %

change 3 year %

change -0.41 -9.89

-16.90 -27.46 6.90 14.71 12.70 34.06 81.58 71.02 25.47 11254.61 25.43 6.77 10.67 52.79 1.11 52.50 176.64 128.77 17.66 4234.11 15.82 9.74 -2.60 -18.23 -4.34 2.60 1.38 3.72 3.21 -0.31 14.07 6378.09 -9.71 13.64 -18.42 -17.66 -29.76 -36.12 1.69 1.14