3 May, 2007 13:22

FACILITY DESCRIPTION: Potential-to-emit (by item)

Show: Active Records Only

AQD Facility ID:

Facility Name: US Steel Corp - Minntac

Item Pollutant

Hourly 

Potential 

(lbs/hr)

Unrestricted 

Potential 

(tons/yr)

Limited 

Potential 

(tons/yr)

Actual 

Emissions 

(tons/yr)

EU001

NOx 27.733 121.472 121.472 10.330

SOx 54.860 240.287 240.287 0.020

EU002

NOx 27.733 121.472 121.472 13.990

SOx 54.860 240.287 240.287 0.030

MINNESOTA POLLUTION CONTROL AGENCY 

AIR QUALITY 

520 LAFAYETTE ROAD 

ST. PAUL, MN 55155-4194

13700005
3 May, 2007 13:22

FACILITY DESCRIPTION: Potential-to-emit (by item)

Show: Active Records Only

AQD Facility ID:

Facility Name: US Steel Corp - Minntac

Item Pollutant

Hourly 

Potential 

(lbs/hr)

Unrestricted 

Potential 

(tons/yr)

Limited 

Potential 

(tons/yr)

Actual 

Emissions 

(tons/yr)

MINNESOTA POLLUTION CONTROL AGENCY 

AIR QUALITY 

520 LAFAYETTE ROAD 

ST. PAUL, MN 55155-4194

13700005

EU003

NOx 33.333 146.000 146.000 12.400

SOx 65.938 288.806 288.806 0.030

EU004

NOx 40.800 178.704 178.704 16.130

SOx 80.708 353.499 353.499 0.030
3 May, 2007 13:22

FACILITY DESCRIPTION: Potential-to-emit (by item)

Show: Active Records Only

AQD Facility ID:

Facility Name: US Steel Corp - Minntac

Item Pollutant

Hourly 

Potential 

(lbs/hr)

Unrestricted 

Potential 

(tons/yr)

Limited 

Potential 

(tons/yr)

Actual 

Emissions 

(tons/yr)

MINNESOTA POLLUTION CONTROL AGENCY 

AIR QUALITY 

520 LAFAYETTE ROAD 

ST. PAUL, MN 55155-4194

13700005

EU005

NOx 40.800 178.704 178.704 15.890

SOx 80.708 353.499 353.499 0.030

EU006

NOx 15.126 66.253 66.253

SOx 0.995 4.357 4.357

EU007

NOx 35.034 153.447 153.447

SOx 5.529 24.216 24.216
3 May, 2007 13:22

FACILITY DESCRIPTION: Potential-to-emit (by item)

Show: Active Records Only

AQD Facility ID:

Facility Name: US Steel Corp - Minntac

Item Pollutant

Hourly 

Potential 

(lbs/hr)

Unrestricted 

Potential 

(tons/yr)

Limited 

Potential 

(tons/yr)

Actual 

Emissions 

(tons/yr)

MINNESOTA POLLUTION CONTROL AGENCY 

AIR QUALITY 

520 LAFAYETTE ROAD 

ST. PAUL, MN 55155-4194

13700005

EU008

NOx 22.714 99.486 99.486

SOx 3.584 15.700 15.700

EU009

NOx 6.637 29.070 29.070

SOx 0.436 1.912 1.912

EU010

NOx 6.560 28.733 28.733 0.385

SOx 12.977 56.837 56.837 0.003
3 May, 2007 13:22

FACILITY DESCRIPTION: Potential-to-emit (by item)

Show: Active Records Only

AQD Facility ID:

Facility Name: US Steel Corp - Minntac

Item Pollutant

Hourly 

Potential 

(lbs/hr)

Unrestricted 

Potential 

(tons/yr)

Limited 

Potential 

(tons/yr)

Actual 

Emissions 

(tons/yr)

MINNESOTA POLLUTION CONTROL AGENCY 

AIR QUALITY 

520 LAFAYETTE ROAD 

ST. PAUL, MN 55155-4194

13700005

EU011

NOx 6.560 28.733 28.733 0.385

SOx 12.977 56.837 56.837 0.003

EU012

NOx 24.943 109.250 109.250

SOx 1.640 7.184 7.184

EU028

NOx 0.190 0.834 0.834 0.009

SOx 0.001 0.005 0.005 0.000

EU031

SOx 0.698 3.059 3.059 0.003

NOx 0.194 0.850 0.850 0.001

EU032

SOx 0.698 3.059 3.059 0.003

NOx 0.194 0.850 0.850 0.001
3 May, 2007 13:22

FACILITY DESCRIPTION: Potential-to-emit (by item)

Show: Active Records Only

AQD Facility ID:

Facility Name: US Steel Corp - Minntac

Item Pollutant

Hourly 

Potential 

(lbs/hr)

Unrestricted 

Potential 

(tons/yr)

Limited 

Potential 

(tons/yr)

Actual 

Emissions 

(tons/yr)

MINNESOTA POLLUTION CONTROL AGENCY 

AIR QUALITY 

520 LAFAYETTE ROAD 

ST. PAUL, MN 55155-4194

13700005

EU051

NOx 21.671 94.918 94.918

SOx 1.425 6.242 6.242

EU142

SOx 0.698 3.059 3.059 0.030

NOx 0.194 0.850 0.850 0.040

EU143

SOx 0.698 3.059 3.059 0.030

NOx 0.194 0.850 0.850 0.040
3 May, 2007 13:22

FACILITY DESCRIPTION: Potential-to-emit (by item)

Show: Active Records Only

AQD Facility ID:

Facility Name: US Steel Corp - Minntac

Item Pollutant

Hourly 

Potential 

(lbs/hr)

Unrestricted 

Potential 

(tons/yr)

Limited 

Potential 

(tons/yr)

Actual 

Emissions 

(tons/yr)

MINNESOTA POLLUTION CONTROL AGENCY 

AIR QUALITY 

520 LAFAYETTE ROAD 

ST. PAUL, MN 55155-4194

13700005

EU215

NOx 19.264 84.376 84.376 0.380

SOx 3.040 13.316 13.316 0.020

EU216

NOx 19.264 84.376 84.376 0.080

SOx 3.040 13.316 13.316 0.010
3 May, 2007 13:22

FACILITY DESCRIPTION: Potential-to-emit (by item)

Show: Active Records Only

AQD Facility ID:

Facility Name: US Steel Corp - Minntac

Item Pollutant

Hourly 

Potential 

(lbs/hr)

Unrestricted 

Potential 

(tons/yr)

Limited 

Potential 

(tons/yr)

Actual 

Emissions 

(tons/yr)

MINNESOTA POLLUTION CONTROL AGENCY 

AIR QUALITY 

520 LAFAYETTE ROAD 

ST. PAUL, MN 55155-4194

13700005

EU225

NOx 982.800 4304.664 4304.664 1065.800

SOx 78.000 341.640 341.640 383.880

EU261

NOx 842.352 3689.502 3689.502 2012.200

SOx 133.000 582.540 582.540 517.640

EU282

NOx 842.352 3689.502 3689.502 1948.300

SOx 93.730 410.537 410.537 371.410

EU315

NOx 842.352 3689.502 3689.502 1499.900

SOx 112.000 490.560 490.560 455.340

EU334

NOx 842.352 3689.502 3689.502 1904.700

SOx 168.000 735.840 735.840 320.920

EU383

NOx 25.313 110.873 110.873 0.380

SOx 1.665 7.291 7.291 0.030

EU384

NOx 27.783 121.690 121.690 0.420

SOx 1.827 8.002 8.002 0.030
3 May, 2007 13:22

FACILITY DESCRIPTION: Potential-to-emit (by item)

Show: Active Records Only

AQD Facility ID:

Facility Name: US Steel Corp - Minntac

Item Pollutant

Hourly 

Potential 

(lbs/hr)

Unrestricted 

Potential 

(tons/yr)

Limited 

Potential 

(tons/yr)

Actual 

Emissions 

(tons/yr)

MINNESOTA POLLUTION CONTROL AGENCY 

AIR QUALITY 

520 LAFAYETTE ROAD 

ST. PAUL, MN 55155-4194

13700005

EU385

NOx 22.967 100.597 100.597 0.350

SOx 1.510 6.615 6.615 0.020

EU386

NOx 22.967 100.597 100.597 0.350

SOx 1.510 6.615 6.615 0.020

EU387

NOx 9.384 41.104 41.104

SOx 0.617 2.703 2.703
3 May, 2007 13:22

FACILITY DESCRIPTION: Potential-to-emit (by item)

Show: Active Records Only

AQD Facility ID:

Facility Name: US Steel Corp - Minntac

Item Pollutant

Hourly 

Potential 

(lbs/hr)

Unrestricted 

Potential 

(tons/yr)

Limited 

Potential 

(tons/yr)

Actual 

Emissions 

(tons/yr)

MINNESOTA POLLUTION CONTROL AGENCY 

AIR QUALITY 

520 LAFAYETTE ROAD 

ST. PAUL, MN 55155-4194

13700005

EU389

SOx 0.001 0.005 0.005 0.000

NOx 0.190 0.834 0.834 0.022

EU390

SOx 0.000 0.002 0.002

NOx 0.076 0.334 0.334

EU401

SOx 0.051 0.221 0.221 0.119

NOx 8.425 36.900 36.900 19.900
TABLE 1:

US Steel - Title V Permit Renewal Application

PTE Summary

Emission 

Unit Number

Stack Vent 

Number

Control 

Equipment 

Number Description NOx SOx

EU001 SV001 Utility Plant Heating Boiler #1 121.472 240.287

EU002 SV002 Utility Plant Heating Boiler #2 121.472 240.287

EU003 SV003 Utility Plant Heating Boiler #3 146.000 288.806

EU004 SV004 Utility Plant Heating Boiler #4 178.704 353.499

EU005 SV005 Utility Plant Heating Boiler #5 178.704 353.499

EU006 SV006 Utility Utility Plant Diesel Generator Plant Diesel Generator 66.253 4.357

EU007 SV007 Utility Plant Diesel Generator 153.447 24.216

EU008 SV008 Utility Plant Diesel Generator 99.486 15.700

EU009 SV009 Utility Plant Diesel Fire Pump 29.070 1.912

EU010 SV010 MES Heating Boiler #1 28.733 56.837

EU011 SV011 MES Heating Boiler #2 28.733 56.837

EU012 SV012 MES Diesel Generator 109.250 7.184

EU028 SV019 Zinc Melt Furnace - Coarse Crusher 0.834 0.005

EU031 0.850 3.059

EU032 0.850 3.059

EU051 SV029 Diesel Generator 94.918 6.242

EU142 0.850 3.059

EU143 0.850 3.059

EU215 SV098 Diesel Generator 84.376 13.316

EU216 SV099 Diesel Generator 84.376 13.316

EU223 CE145

SV086 Zinc Melt Furnace - Fine Crusher

SV020 Zinc Melt Furnace - Coarse Crusher

EU223 CE145

EU224 CE146

EU225 CE147

EU226

EU259 CE101

EU260 CE102

EU261 CE103

EU262

EU280 CE111

EU281 CE112

EU282 CE113

EU283

EU313 CE123

EU314 CE124

EU315 CE125

EU316 CE126

SV127 L5 Waste Gas Stack 3,689.502 410.537

SV144 L6 Waste Gas Stack 3,689.502 490.560

4,304.664 341.640

SV118 L4 Waste Gas Stack 3,689.502 582.540

SV103 L3 Waste Gas Stack

EU316 CE126

EU332 CE133

EU333 CE134

EU334 CE135

EU335 CE136

EU383 SV183 Diesel Generator 110.873 7.291

EU384 SV184 Diesel Generator 121.690 8.002

EU385 SV185 Diesel Generator 100.597 6.615

EU386 SV186 Diesel Generator 100.597 6.615

EU387 SV187 Air Compresor 41.104 2.703

EU389 SV189 Electric Shop Curing Oven 0.834 0.005

EU390 SV190 Burnout Oven 0.334 0.002

EU399 SV198 Heaters (25 units, Ltr 8/10/01) 36.900 0.221

Totals 21,104.827 4,281.107

SV151 L7 Waste Gas Stack 3,689.502 735.840
TABLE 3:

US Steel - Title V Permit Renewal Application

Heating Boiler PTE Calculations

EU001 Heating Boiler #1 EU002 Heating Boiler #2 EU003 Heating Boiler #3 EU004 Heating Boiler #4

SV001 SV002 SV003 SV004

Burner Rating 104,000,000 BTU/hr Burner Rating 104,000,000 BTU/hr Burner Rating 125,000,000 BTU/hr Burner Rating153,000,000 BTU/hr

Fuel Natural Gas Fuel Natural Gas Fuel Natural Gas Fuel Natural Gas

Natural Gas Heat Value 1050 BTU/ft3 Natural Gas Heat Value 1050 BTU/ft3 Natural Gas Heat Value 1050 BTU/ft3 Natural Gas Heat Value 1050 BTU/ft3

Back-up Fuel #1 Propane Back-up Fuel #1 Propane Back-up Fuel #1 Propane Back-up Fuel #1 Propane

Propane Heat Value 91,500 BTU/gal Propane Heat Value 91,500 BTU/gal Propane Heat Value 91,500 BTU/gal Propane Heat Value91,500 BTU/gal

Back-up Fuel #2 #2 Fuel Oil Back-up Fuel #2 #2 Fuel Oil Back-up Fuel #2 #2 Fuel Oil Back-up Fuel #2 #2 Fuel Oil

#2 Fuel Oil Heat Value 140,000 BTU/gal #2 Fuel Oil Heat Value 140,000 BTU/gal #2 Fuel Oil Heat Value 140,000 BTU/gal #2 Fuel Oil Heat Value 140,000 BTU/gal

Potential Natural Gas Usage 867,657,143 ft3

/yr Potential Natural Gas Usage 867,657,143 ft3/yr Potential Natural Gas Usage 1,042,857,143 ft3/yr Potential Natural Gas Usage ########### ft3/yr

Potential Propane Usage 9,956,721 gal/yr Potential Propane Usage 9,956,721 gal/yr Potential Propane Usage 11,967,213 gal/yr Potential Propane Usage 14,647,869 gal/yr

Potential #2 Fuel Oil Usage 6,507,429 gal/yr Potential #2 Fuel Oil Usage 6,507,429 gal/yr Potential #2 Fuel Oil Usage 7,821,429 gal/yr Potential #2 Fuel Oil Usage 9,573,429 gal/yr

EU005 Heating Boiler #5 EU010 MES Heating Boiler #1 EU011 MES Heating Boiler #2

SV005 SV010 SV011

Burner Rating 153,000,000 BTU/hr Burner Rating 24,600,000 BTU/hr Burner Rating 24,600,000 BTU/hr

Fuel Natural Gas Fuel Natural Gas Fuel Natural Gas

Natural Gas Heat Value 1050 BTU/ft3 Natural Gas Heat Value 1050 BTU/ft3 Natural Gas Heat Value 1050 BTU/ft3

Back-up Fuel #1 Propane Back-up Fuel #1 Propane Back-up Fuel #1 Propane

Propane Heat Value 91,500 BTU/gal Propane Heat Value 91,500 BTU/gal Propane Heat Value 91,500 BTU/gal

Back-up Fuel #2 #2 Fuel Oil Back-up Fuel #2 #2 Fuel Oil Back-up Fuel #2 #2 Fuel Oil

#2 Fuel Oil Heat Value 140,000 BTU/gal #2 Fuel Oil Heat Value 140,000 BTU/gal #2 Fuel Oil Heat Value 140,000 BTU/gal

Potential Natural Gas Usage 1,276,457,143 ft3

/yr Potential Natural Gas Usage 205,234,286 ft3/yr Potential Natural Gas Usage 205,234,286 ft3/yr

Potential Propane Usage 14,647,869 gal/yr Potential Propane Usage 2,355,148 gal/yr Potential Propane Usage 2,355,148 gal/yr

Potential #2 Fuel Oil Usage 9,573,429 gal/yr Potential #2 Fuel Oil Usage 1,539,257 gal/yr Potential #2 Fuel Oil Usage 1,539,257 gal/yr

PTE Natural Gas

Pollutant

Emission Factor 

(lb/ft3)

EU001 

PTE 

(lbs/yr)

EU001 

PTE 

(tons/yr)

EU002 

PTE 

(lbs/yr)

EU002 

PTE 

(tons/yr)

EU003 

PTE 

(lbs/yr)

EU003 

PTE 

(tons/yr)

EU004 

PTE 

(lbs/yr)

EU004 

PTE 

(tons/yr)

EU005 

PTE 

(lbs/yr)

EU005 

PTE 

(tons/yr)

EU010 

PTE 

(lbs/yr)

EU010 

PTE 

(tons/yr)

EU011 

PTE 

(lbs/yr)

EU011 

PTE 

(tons/yr)

SOx 6.00E-07 521 0.260 521 0.260 626 0.313 766 0.383 766 0.383 123 0.062 123 0.062

NOx 2.80E-04 242944 121.472 242944 121.472 292000 146.000 357408 178.704 357408 178.704 57,466 28.733 57,466 28.733
TABLE 3:

US Steel - Title V Permit Renewal Application

Heating Boiler PTE Calculations

Propane PTE

Pollutant

Emission Factor 

(lb/gal)

EU001 

PTE 

(lbs/yr)

EU001 

PTE 

(tons/yr)

EU002 

PTE 

(lbs/yr)

EU002 

PTE 

(tons/yr)

EU003 

PTE 

(lbs/yr)

EU003 

PTE 

(tons/yr)

EU004 

PTE 

(lbs/yr)

EU004 

PTE 

(tons/yr)

EU005 

PTE 

(lbs/yr)

EU005 

PTE 

(tons/yr)

EU010 

PTE 

(lbs/yr)

EU010 

PTE 

(tons/yr)

EU011 

PTE 

(lbs/yr)

EU011 

PTE 

(tons/yr)

SOx 1.80E-05 179 0.090 179 0.090 215 0.108 264 0.132 264 0.132 42 0.021 42 0.021

NOx 1.90E-02 189,178 94.589 189,178 94.589 227,377 113.689 278,310 139.155 278,310 139.155 44,748 22.374 44,748 22.374

#2 Fuel Oil PTE

Pollutant

Emission Factor 

(lb/gal)

EU001 

PTE 

(lbs/yr)

EU001 

PTE 

(tons/yr)

EU002 

PTE 

(lbs/yr)

EU002 

PTE 

(tons/yr)

EU003 

PTE 

(lbs/yr)

EU003 

PTE 

(tons/yr)

EU004 

PTE 

(lbs/yr)

EU004 

PTE 

(tons/yr)

EU005 

PTE 

(lbs/yr)

EU005 

PTE 

(tons/yr)

EU010 

PTE 

(lbs/yr)

EU010 

PTE 

(tons/yr)

EU011 

PTE 

(lbs/yr)

EU011 

PTE 

(tons/yr)

SOx 7.39E-02 480,574 240.287 480,574 240.287 577,613 288.806 706,998 353.499 706,998 353.499 113,674 56.837 113,674 56.837

NOx 2.40E-02 156,178 78.089 156,178 78.089 187,714 93.857 229,762 114.881 229,762 114.881 36,942 18.471 36,942 18.471

Emission Summary

Pollutant

EU001 

PTE 

(tons/yr)

EU002 

PTE 

(tons/yr)

EU003 

PTE 

(tons/yr)

EU004 

PTE 

(tons/yr)

EU005 

PTE 

(tons/yr)

EU010 

PTE 

(tons/yr)

EU011 

PTE 

(tons/yr)

SOx 240.287 240.287 288.806 353.499 353.499 56.837 56.837

NOx 121.472 121.472 146.000 178.704 178.704 28.733 28.733


TABLE 4:

US Steel - Title V Permit Renewal Application

Diesel Enigines PTE Calculations

EU006 Diesel Genenrator - UP EU007 Diesel Generator - UP EU008 Diesel Generator - UP

SV006 SV007 SV008

Max. Capacity 24.5 gals/hr Max. Capacity 78.2 gals/hr Max. Capacity 50.7 gals/hr

306 HP 1072 HP 697 HP

EU009 Diesel Fire Pump - UP EU012 Diesel Generator - MES EU051 Diesel Generator - Turn Bin Wet Scrubbers

SV009 SV012 SV029

Max. Capacity 10.75 gals/hr Max. Capacity 40.4 gals/hr Max. Capacity 35.1 gals/hr

175 HP 536 HP 483 HP

EU215 Diesel Generator - Conc. Wet Scrubbers EU383 Diesel Generator - Aggl. Line 7 EU384 Diesel Generator - Aggl. Line 7 EU216 Diesel Generator

SV098 SV183 SV184 SV099

Max Capacity 43 gals/hr Max. Capacity 41 gals/hr Max. Capacity 45 gals/hr Max. Capacity 43 gal/hr

670 HP 536 HP 483 HP 670 HP

EU385 Diesel Generator - Aggl. Line 7 Diesel Generator - Aggl. Line 7 EU386 Diesel Generator - Aggl. Line 7 Diesel Generator - Aggl. Line 7 EU387 Air Compressor Air Compressor

SV185 SV186 SV187

Max. Capacity 37.2 gals/hr Max. Capacity 37.2 gals/hr Max. Capacity 15.2 gal/hr

483 HP 483 HP

Diesel Heat Value: 140,000 BTU/gal

Pollutant

* <600 HP 

Emission 

Factor 

(lbs/MMBTU)

* >600 HP 

Emission 

Factor 

(lbs/MMBTU)

EU006 

PTE 

(lbs/yr)

EU006 

PTE 

(tons/yr)

EU007 

PTE 

(lbs/yr)

EU007 

PTE 

(tons/yr)

EU008 

PTE 

(lbs/yr)

EU008 

PTE 

(tons/yr)

EU009 

PTE 

(lbs/yr)

EU009 

PTE 

(tons/yr)

EU012 

PTE 

(lbs/yr)

EU012 

PTE 

(tons/yr)

EU051 

PTE 

(lbs/yr)

EU051 

PTE 

(tons/yr)

EU215 

PTE 

(lbs/yr)

EU215 

PTE 

(tons/yr)

EU216 

PTE 

(lbs/yr)

EU216 

PTE 

(tons/yr)

EU383 

PTE 

(lbs/yr)

EU383 

PTE 

(tons/yr)

EU384 

PTE 

(lbs/yr)

EU384 

PTE 

(tons/yr)

EU385 

PTE 

(lbs/yr)

EU385 

PTE 

(tons/yr)

EU386 

PTE 

(lbs/yr)

EU386 

PTE 

(tons/yr)

EU387 

PTE 

(lbs/yr)

EU387 

PTE 

(tons/yr)

SOx 0.2900 0.5050 8,714 4.357 48,432 24.216 31,400 15.700 3,823 1.912 14,369 7.184 12,484 6.242 26,631 13.316 26,631 13.316 14,582 7.291 16,005 8.002 13,230 6.615 13,230 6.615 5,406 2.703

NOx 4.4100 3.2000 132,506 66.253 306,894 153.447 198,971 99.486 58,141 29.070 218,500 109.250 189,836 94.918 168,753 84.376 168,753 84.376 221,745 110.873 243,379 121.690 201,193 100.597 201,193 100.597 82,208 41.104

* Note: The emission factors for criteria pollutants and HAPs were taken from AP-42 Table 3.3-1 and Table 3.3-2 respectively for <600 HP engines. The emission factors for the criteria pollutants and HAPs were taken from AP-42 Table 3.4-1, Table 3.4-2, and Table 3.4-3 respectively for the >600 HP engines. 
TABLE 9:

US Steel - Title V Permit Renewal Application

Zinc Melt Furnaces PTE Calculations

EU028 Zinc Melt Furnace - Coarse Crusher EU031 Zinc Melt Furnace - Coarse Crusher EU032 Zinc Melt Furnace - Coarse Crusher 

SV019 SV020 SV020

Burner Rating 2,000,000 Btu/hr Max. Rated Capacity 9.7 gals/hr Max. Rated Capacity 9.7 gals/hr

Heat Value - Natural Gas 1050 Btu/ft3Sulfur Content of Fuel Oil 0.5 % Sulfur Content of Fuel Oil 0.5 %

Potential Natural Gas Usage 16,685,714 ft3

/yr Heat Value of #2 Fuel Oil 140000 BTU/gal Heat Value of #2 Fuel Oil 140000 BTU/gal

Potential #2 Fuel Oil Usage 84972 gals/yr Potential #2 Fuel Oil Usage 84972 gals/yr

EU142 Zinc Melt Furnace - Fines Crusher EU143 Zinc Melt Furnace - Fines Crusher 

SV086 SV086

Max. Rated Capacity 9.7 gals/hr Max. Rated Capacity 9.7 gals/hr

Sulfur Content of Fuel Oil 0.5 % Sulfur Content of Fuel Oil 0.5 %

Heat Value of #2 Fuel Oil 140000 BTU/gal Heat Value of #2 Fuel Oil 140000 BTU/gal

Potential #2 Fuel Oil Usage 84972 gals/yr Potential #2 Fuel Oil Usage 84972 gals/yr

Fuel Oil Furnaces

Pollutant

Emission Factor 

(lbs/gal)

EU031 

PTE 

(lbs/yr)

EU031 

PTE 

(tons/yr)

EU032 

PTE 

(lbs/yr) EU032 PTE (tons/yr)

EU142 

PTE 

(lbs/yr)

EU142 

PTE 

(tons/yr)

EU143 

PTE 

(lbs/yr)

EU143 

PTE 

(tons/yr)

SOx 7.20E-02 6,118 3.059 6,118 3.059 6,118 3.059 6,118 3.059

NOx 2.00E-02 1,699 0.850 1,699 0.850 1,699 0.850 1,699 0.850

Natural Gas Furnace

Pollutant

Emission Factor 

(lbs/ft3)

EU028 

PTE 

(lbs/yr)

EU028 

PTE 

(tons/yr)

SOx 6.00E-07 10.011 0.005

NOx 1.00E-04 1668.571 0.834
TABLE 10:

US Steel - Title V Permit Renewal Application

Misc. Ovens PTE Calculations

EU389 Electric Shop Curing Oven

SV189

Max. Rated Capacity 2 MMBTU/hr

Sulfur Content of Fuel Oil 0 %

Heat Value of Natural Gas 1050 BTU/ft3

Potential Natural Gas Usage 16,685,714 ft3

/yr

EU390 Burnout Oven

SV190

Max. Rated Capacity 0.8 MMBTU/hr

Sulfur Content of Fuel Oil 0 %

Heat Value of Natural Gas 1050 BTU/ft3

Potential Natural Gas Usage 6,674,286 ft3

/yr

Pollutant

Emission 

Factor 

(lb/ft3)

EU389 

PTE 

(lbs/yr)

EU389 

PTE 

(tons/yr)

EU390 

PTE 

(lbs/yr)

EU390 

PTE 

(tons/yr)

SOx 6.00E-07 10 0.005 4 0.002

NOx 1.00E-04 1,669 0.834 667 0.334
TABLE 14:

US Steel - Title V Permit Renewal Application

Space Heater PTE Calculations

Space Heaters

SV198

EU399

Max. Capacity 88,460,000 Btu/hr

Fuel Natural Gas

Heat Value: 1050 Btu/ft3

Max. Throughput: 738,009,143 ft3

/yr

Pollutant

Emission 

Factor 

(lb/ft3)

EU399 

PTE 

(lbs/yr)

EU399 

PTE 

(tons/yr)

SOx 6.00E-07 443 0.221

NOx 1.00E-04 73,801 36.900
TABLE 15:

US Steel - Title V Permit Renewal Application

PTE Calculations

Line 3 - SV1032

Line 4 - SV118 Line 5 - SV127 Line 6 - SV1441

Line 7 - SV1511

Total

Heat Required (BTU/LT) 585,000 420,000 420,000 420,000 420,000

Max Production (LT/hr) 240 436 436 436 436

Heat Input (MMBTU/hr) 140.4 183.12 183.12 183.12 183.12

Fluxstone Ratio (lb/LT) 0 0 0 0 0

Avg Fluxstone Use (ton/hr) 0 0 0 0 0

Operating Hours (hr/yr) 8,760 8,760 8,760 8,760 8,760

Air Flow (ACFM) 451,565 640,000 640,000 520,000 520,000

Exit Temp (F) 210 150 150 150 150

Air Flow (DSCFM) 355,860 436,000 437,250 364,400 370,222

NOx

Emission Factor (lb/MMBTU) 7 4.6 4.6 4.6 4.6

PTE (tons/yr) 4304.664 3689.502 3689.502 3689.502 3689.502 19,062.671

SOx

Emission Factor (lb/MMBTU) 78 133 93.73 112 168

PTE (tons/yr) 341.640 582.540 410.537 490.560 735.840 2561.117

3

 The emission factors used were for Sox were taken form stack test information and the highest stack test emission factors was used.