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

Required fields are denoted by "+".

Report Date: 05/05/2010            Control Technology Determinations (Freeform)
Facility Information: GREAT RIVER ENERGY LAKEFIELD JUNCTION STATION

RBLC ID: MN-0052

+ Corporate/Company Name: GREAT RIVER ENERGY

+ Facility Name: GREAT RIVER ENERGY LAKEFIELD JUNCTION STATION Facility County: MARTIN Facility State: MN Facility ZIP Code: 55330 Facility Country: USA Facility Contact Name: DEBRA NELSON Facility Contact Phone: 763-241-2441 Facility Contact Email: DNELSON@GRENERGY.COM EPA Region: 5 Agency Code: MN001 Agency Name: MINNESOTA POLL CTRL AGCY, AIR QUAL DIV Agency Contact: MR. RICHARD CORDES Agency Phone: (651)757-2291 Agency Email: RICHARD.CORDES@STATE.MN.US Other Agency Contact Info: JOHN S. CHIKKALA 520 LAFAYETTE RD. N ST. PAUL, MN 55155 (651) 296-9711

+ Permit Number: 09100058-003

+ SIC Code: 4911 NAICS Code: 221112 Facility Registry System Number: 110008694975 Application Accepted Received Date: 03/04/2002 ACT Permit Issuance Date: 09/10/2003 ACT Date determination entered in RBLC: 09/09/2003 Date determination last updated: 09/19/2003 Permit Type: A: New/Greenfield Facility Permit URL: Facility Description: SIMPLE-CYCLE COMBUSTION TURBINES, NATURAL GAS AS PRIMARY FUEL. Permit Notes: plantwide lead emissions: 0.3 t/yr Previous PageAffected Boundaries: GREAT RIVER ENERGY LAKEFIELD JUNCTION STATION

Facility-wide Emissions: GREAT RIVER ENERGY LAKEFIELD JUNCTION STATION

+ Pollutant Name: Carbon Monoxide Facility-wide Emissions Increase: 1146.2000 (Tons/Year)

+ Pollutant Name: Nitrogen Oxides (NOx) Facility-wide Emissions Increase: 644.1000 (Tons/Year)

+ Pollutant Name: Particulate Matter (PM) Facility-wide Emissions Increase: 193.6000 (Tons/Year)

+ Pollutant Name: Sulfur Oxides (SOx) Facility-wide Emissions Increase: 186.2000 (Tons/Year)

+ Pollutant Name: Volatile Organic Compounds (VOC) Facility-wide Emissions Increase: 36.5000 (Tons/Year)

Process Information: GREAT RIVER ENERGY LAKEFIELD JUNCTION STATION

+ Process Name: TURBINE, SIMPLE CYCLE, NATURAL GAS

+ Process Type: 15.110 Primary Fuel: NATURAL GAS Throughput: 109.00 Throughput Unit: MW Process Notes: modification does not change facility limit.

Pollutant Information: GREAT RIVER ENERGY LAKEFIELD JUNCTION STATION - TURBINE, SIMPLE CYCLE, NATURAL GAS

+ Pollutant Name Carbon Monoxide Pollutant Group(s): ( InOrganic Compounds )

+ CAS Number: 630-08-0 Test Method: Unspecified

+ Control Method Code: P

+ Control Method Description: GOOD COMBUSTION PRACTICES - OPTIMIZED OPERATION OF GAS TURBINE Emission Limit 1: 25.0000 Emission Limit 1 Unit: PPM @ 15% O2 Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit:Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 25.0000 Standard Emission Limit Unit: PPM @ 15% O2 Standard Limit Avg. Time/Condition:

+ Case-by-Case Basis: BACT-PSD Other Applicable Requirements: Did factors, other then air pollution technology considerations influence the BACT decisions?:

+ Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes:

+ Pollutant Name Nitrogen Oxides (NOx) Pollutant Group(s): ( InOrganic Compounds , Oxides of Nitrogen (NOx) , Particulate Matter (PM) )

+ CAS Number: 10102 Test Method: Unspecified

+ Control Method Code: P

+ Control Method Description: DRY LOW NOX, GOOD COMBUSTION PRACTICE Emission Limit 1: 9.0000 Emission Limit 1 Unit: PPM @ 15% O2 Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 9.0000 Standard Emission Limit Unit: PPM @ 15% O2 Standard Limit Avg. Time/Condition:+ Case-by-Case Basis: BACT-PSD Other Applicable Requirements: Did factors, other then air pollution technology considerations influence the BACT decisions?:

+ Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: 11,185 ($/ton) Incremental Cost Effectiveness: Cost Verified (Y/N)?: Yes Dollar Year Used In Cost Estimates: 1999 Pollutants/Compliance Notes:

Process Information: GREAT RIVER ENERGY LAKEFIELD JUNCTION STATION

+ Process Name: TURBINE, SIMPLE CYCLE, FUEL OIL

+ Process Type: 15.190 Primary Fuel: NATURAL GAS Throughput: 109.00 Throughput Unit: MW Process Notes:

Pollutant Information: GREAT RIVER ENERGY LAKEFIELD JUNCTION STATION - TURBINE, SIMPLE CYCLE, FUEL OIL

+ Pollutant Name Nitrogen Oxides (NOx) Pollutant Group(s): ( InOrganic Compounds , Oxides of Nitrogen (NOx) , Particulate Matter (PM) )

+ CAS Number: 10102 Test Method: Unspecified

+ Control Method Code: P

+ Control Method Description: WATER INJECTION GOOD COMBUSTION PRACTICES Emission Limit 1: 42.0000 Emission Limit 1 Unit: PPM @ 15% O2 Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard EmissionStandard Emission Limit: 42.0000 Standard Emission Limit Unit: PPM @ 15% O2 Standard Limit Avg. Time/Condition:

+ Case-by-Case Basis: BACT-PSD Other Applicable Requirements: Did factors, other then air pollution technology considerations influence the BACT decisions?:

+ Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes:

+ Pollutant Name Carbon Monoxide Pollutant Group(s): ( InOrganic Compounds )

+ CAS Number: 630-08-0 Test Method: Unspecified

+ Control Method Code: P

+ Control Method Description: GOOD COMBUSTION PRACTICES - OPTIMIZED OPERATION Emission Limit 1: 20.0000 Emission Limit 1 Unit: PPM @ 15% O2 Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 20.0000 Standard Emission Limit Unit: PPM @ 15% O2 Standard Limit Avg. Time/Condition:

+ Case-by-Case Basis: BACT-PSD Other Applicable Requirements:Did factors, other then air pollution technology considerations influence the BACT decisions?:

+ Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes:

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