### 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

# TA**BLE 1:**

**US Steel - Title V Permit Renewal A pplication**  **PTE Summary**

**Emission Unit Number**  **Stack Vent**

**Number Control** 

**Equipment Number**  **Description NO** **x** 

## SO**x** 

## 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 Plant Diesel Generator 66.253 4.357 Utility Plant Diesel Generator 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 Pum p 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 L3 Waste Gas Stack SV103

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 Com presor 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 Rating 153,000,000 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 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 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/ft 3** **) 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

## TA**BLE 4:**

**US Steel - Title V Permit Renewal A pplication**  **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 **EU386** Diesel Generator - Aggl. Line 7 **EU387** Air Compressor

Diesel Generator - Aggl. Line 7 Diesel Generator - Aggl. Line 7 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.

### TA**BLE 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/ft3 Sulfur 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/ft 3** **) EU028** 

**PTE (lbs/yr)**  **EU028**

**PTE (tons/yr)**  SOx 6.00E-07 10.011 0.005 NOx 1.00E-04 1668.571 0.834

# TA**BLE 10:**

**US Steel - Title V Permit Renewal A pplication**  **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

# TA**BLE 14:**

**US Steel - Title V Permit Renewal A pplication**  **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/ft** **3**

## ) **EU399**

**PTE (lbs/yr)**  **EU399**

**PTE (tons/yr)**  SOx 

## 6.00E-07 443 0.221 NOx 

## 1.00E-04 73,801 36.900

# TA**BLE 15:**

**US Steel - Title V Permit Renewal Application PTE Calculations** 

**Line 3 - SV103 2**  

### Line 4 - SV118 **Line 5 - SV127 Line 6 - SV144**  **1** 

### Line 7 - SV151 **1** 

### 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 **NO x**  

### 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 **SO x**  

### 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.