NOTE: Draft determinations are marked with a " * " beside the RBLC ID.

Report Date: 02/14/2010 Control Technology Determinations (Freeform)

Facility Information: PORT WASHINGTON GENERATING STATION

RBLC ID: WI-0227 *Facilit y Name: PORT WASHINGTON GENERATING STATION A g enc y Name: WISCONSIN DEPT OF NATURAL RESOURCES Agency Contact: MR. JEFFREY C. HANSON A g enc y Phone: (608)266-6876 Agency Email: JEFFREY.H ANSON@DNR.STATE.WI.US Other Agency Contact Info: JEFFREY C. HANSON (608) 266-6876

DATA ENTRY DON C. FAITH III (608) 267-3135

HTTP://DNR.WI.GOV/OR G/AW/AIR/PERMITS/APM

_ TOC.HTM *Permit Number: 04-RV-175 Permit Issuance Date: 10/13/2004 ACT Date determination entered in RBLC: 03/06/2006

Date determination last updated: 08/31/2006

Process Information : PORT WASHINGTON GENERATING STATION

*Process Name: COMBINED CYCLE COMBUSTI ON TURBINES (4 W/ DUCT BURNER, HRSG) *Process T y pe: 16.210 Primary Fuel: N ATURAL GAS Throu g hput: 2096.00 Throughput Unit: MMBTU/H

Pollutant Information: PORT WASHINGTON GENERATING STATION - COMBINED CYCLE COMBUSTION TURBINES (4 W/ DUCT BURNER, HRSG)

*Pollutant Name Sulfuric Acid (mist, vapors, etc) Emission Limit 1: 0.8000 Emission Limit 1 Unit: GR/100 DSCF Emission Limit 1 Avg. Time/Condition: SULFURIC ACID MIST

Emission Limit 2: 2.2700 Emission Limit 2 Unit: LB/H Emission Limit 2 Avg. Time/Condition: SULFURIC ACID MIST

Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Format RBLC Report

3/6/2010Time/Condition:

*Pollutant Name Particulate matter, filterable < 10 Â μ (FPM10) Emission Limit 1: 33.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: (EACH UNIT)

Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name Sulfur Dioxide (SO2) Emission Limit 1: 1.4800 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: (EACH UNIT)

Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name N itro g en Oxides (NOx) Emission Limit 1: 3.0000 Emission Limit 1 Unit: PPM @ 15% O2 Emission Limit 1 Avg. Time/Condition: 30 DAY ROLLING AVG. EACH

Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 3.0000 Standard Emission Limit Unit: PPM @15% O2

Standard Limit Avg. Time/Condition:

*Pollutant Name Carbon Monoxide Emission Limit 1: 3.0000 Emission Limit 1 Unit: PPM @ 15% O2 Emission Limit 1 A vg. CALENDAR DAY AVG. Format RBLC Report Format RBLC Report

3/6/2010Time/Condition: Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 3.0000 Standard Emission Limit Unit: PPM@15% O2

Standard Limit Avg. Time/Condition:

*Pollutant Name Volatile Or g anic Compounds (VOC) Emission Limit 1: 1.2000 Emission Limit 1 Unit: PPMDV @15% O2 Emission Limit 1 Avg. Time/Condition: CALENDAR DAY AVG. W/ DUCT BURNERS

Emission Limit 2: 0.8000 Emission Limit 2 Unit: PPMDV @15% O2 Emission Limit 2 Avg. Time/Condition: CALENDAR DAY AVG. W/O DUCT BURNERS

Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

Process Information : PORT WASHINGTON GENERATING STATION

*Process Name: DIESEL ENGINE GENERATOR (P05 / S05) *Process T y pe: 17.210 Primar y Fuel: DIESEL FUEL OIL Throughput: 7.60 Throu g hput Unit: MMBTU/H

Pollutant Information: PORT WASHINGTON GENERATING STATION - DIESEL ENGINE GENERATOR (P05 / S05)

*Pollutant Name Volatile Or g anic Compounds (VOC) Emission Limit 1: 2.1500 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: MAX. 500 HRS / 12 MO. ROLLING

Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Format RBLC Report Format RBLC Report

3/6/2010Standard Limit Avg. Time/Condition: N OT AVAILABLE

*Pollutant Name Sulfur Trioxide Emission Limit 1: 0.5900 Emission Limit 1 Unit: LB/H H2SO4 Emission Limit 1 Avg. Time/Condition: MAX. 500 HR./ 12 MO. ROLLING9(SEE NOTES)

Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name Particulate matter, filterable < 10 Â μ (FPM10) Emission Limit 1: 0.8900 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: MAX. OF 500 HOURS / 12 MO (ROLLING).

Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name Sulfur Dioxide (SO2) Emission Limit 1: 0.3800 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: MAX. OF 500 HRS / 12 MO. ROLLING

Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name N itrogen Oxides (NOx) Emission Limit 1: 27.3600 Emission Limit 1 Unit: LB/H Format RBLC Report Format RBLC Report

3/6/2010Emission Limit 1 Avg. Time/Condition: MAX. 500 HR. / 12 MO. ROLLING

Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition: N OT AVAILABLE

*Pollutant Name Carbon Monoxide Emission Limit 1: 18.8500 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: MAX. 500 HR. / 12 MO. ROLLING

Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition: N OT AVAILABLE

Process Information : PORT WASHINGTON GENERATING STATION

*Process Name: N ATURAL GAS FIRED AUXILLIARY BOILE R *Process T y pe: 13.310 Primary Fuel: N ATURAL GAS Throu g hput: 97.10 Throughput Unit: MMBTU/H

Pollutant Information: PORT WASHINGTON GENERATING STATION - NATURAL GAS FIRED AUXILLIARY BOILER

*Pollutant Name Particulate matter, filterable < 10 Â μ (FPM10) Emission Limit 1: 0.7400 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0076 Standard Emission Limit LB/MMBTU Format RBLC Report Format RBLC Report

3/6/2010Unit: Standard Limit Avg. Time/Condition: CALCULATED

*Pollutant Name Sulfur Dioxide (SO2) Emission Limit 1: 0.0600 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0060 Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition: CALCULATED

*Pollutant Name N itrogen Oxides (NOx) Emission Limit 1: 13.7000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.1410 Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition: CALCULATED

*Pollutant Name Carbon Monoxide Emission Limit 1: 7.7700 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0800 Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition: CALCULATED

*Pollutant Name Volatile Or g anic Compounds (VOC) Emission Limit 1: 0.5300 Format RBLC Report Format RBLC Report

3/6/2010Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0055 Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition: *SEE NOTES

*Pollutant Name Sulfur Trioxide Emission Limit 1: 0.0900 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: SULFURIC ACID

Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0009 Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition: CALCULATED

Process Information : PORT WASHINGTON GENERATING STATION

*Process Name: GAS HEATER (P06, S06) *Process Type: 13.310 Primar y Fuel: N ATURAL GAS Throughput: 10.00 Throu g hput Unit: MMBTU/H

Pollutant Information: PORT WASHINGTON GE NERATING STATION - GAS HEATER (P06, S06)

*Pollutant Name Particulate matter, filterable < 10 Â μ (FPM10) Emission Limit 1: 0.0800 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0080 Standard Emission Limit LB/MMBTU Format RBLC Report Format RBLC Report

3/6/2010Unit: Standard Limit Avg. Time/Condition: CALCULATED

*Pollutant Name Sulfur Dioxide (SO2) Emission Limit 1: 0.0200 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0020 Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition: CALCULATED

*Pollutant Name N itrogen Oxides (NOx) Emission Limit 1: 0.1000 Emission Limit 1 Unit: LBS/MMBTU Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.3600 Emission Limit 2 Unit: LB/H Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.1000 Standard Emission Limit Unit: LBS/MMBTU

Standard Limit Avg. Time/Condition:

*Pollutant Name Carbon Monoxide Emission Limit 1: 0.4700 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0470 Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition: CALCULATED

*Pollutant Name Volatile Or g anic Compounds (VOC) Emission Limit 1: 0.0600 Format RBLC Report Format RBLC Report

3/6/2010Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0060 Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition: CALCULATED

Process Information : PORT WASHINGTON GENERATING STATION

*Process Name: FUEL OIL STORAGE TANK (T01) *Process Type: 42.005 Primar y Fuel: DISTILLATE FUEL OIL Throu g hput: Throu g hput Unit:

Pollutant Information: PORT WASHINGTON GENERATING STATION - FUEL OIL STORAGE TANK (T01)

*Pollutant Name Volatile Organic Compounds (VOC) Emission Limit 1: Emission Limit 1 Unit: Emission Limit 1 Avg. Time/Condition: *SEE NOTES

Emission Limit 2: Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition: Format RBLC Report Format RBLC Report

3/6/2010