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: IVANPAH ENERGY CENTER, L.P.

RBLC ID: NV-0038

+ Corporate/Company Name: IVANPAH ENERGY CENTER, L.P.

+Facility Name: IVANPAH ENERGY CENTER, L.P. Facility County: CLARK Facility State: NV Facility ZIP Code: 89019 Facility Country: USA Facility Contact Name: WILLIAM DAVIS Facility Contact Phone: 2134730086 Facility Contact Email: W.DAVIS@DGC-US.COM EPA Region: 9 Agency Code: NV002 Agency Name: CLARK CO. DEPT. OF AIR QUALITY AND ENVIRONMENTAL MANAGEMENT Agency Contact: MR. DAVID LEE Agency Phone: (702) 455-1673 Agency Email: LEE@CO.CLARK.NV.US Other Agency Contact Info: DAVID C. LEE TEL: (702) 455-1673 FAX: (702) 383-9994 E-MAIL: LEE@CO.CLARK.NV.US

+Permit Number: 1616

+ SIC Code: 4911 NAICS Code: 221112 Facility Registry System Number: NEW, NOT FOUND Application Accepted Received Date: 02/12/2002 ACT Permit Issuance Date: 12/29/2003 ACT Date determination entered in RBLC: 11/14/2005 Date determination last updated: 12/21/2005 Permit Type: A: New/Greenfield Facility Permit URL: Facility Description: A 500 MW ELECTRICAL GENERATING PLANT CONSISTING OF Previous PageFacility Description: A 500 MW ELECTRICAL GENERATING PLANT CONSISTING OF TWO COMBUSTION TURBINE GENERATORS, TWO HEAT RECOVERY STEAM GENERATORS, ONE STEAM TURBINE GENERATOR. THE PROPOSED PLANT IS SURROUNDED BY UNOCCUPIED LAND FOR A DISTANCE OF AT LEAST TWO MILES IN ALL DIRECTIONS. THE UN-IMPROVED ACCESS ROAD TO THE PROPOSED PLANT SITE IS ABOUT 1.6 MILES IN LENGTH. Permit Notes: THE AUTHORITY TO CONSTRUCT (ATC) WAS RENEWED ON JUNE 28, 2005. BASED ON THE CURRENT AIR QUALITY REGULATIONS, THE FIRST EXTENSION OF THE ATC DOES NOT REQUIRE A RE-ANALYSIS OF BACT/LAER. FOR THE RENEWED ATC DATED JUNE 28, 2005, THERE WAS NO NEW BACT/LAER DETERMINATION.

Affected Boundaries: IVANPAH ENERGY CENTER, L.P.

+Boundary (Class 1 Area or US Border Name): Grand Canyon NP Boundary Type (Class 1 or Intl Border): CLASS1 Distance: Between 100km and 250km Class 1 Area State: AZ

+Boundary (Class 1 Area or US Border Name): Joshua Tree Boundary Type (Class 1 or Intl Border): CLASS1 Distance: Between 100km and 250km Class 1 Area State: CA

Facility-wide Emissions: IVANPAH ENERGY CENTER, L.P.

+Pollutant Name: Carbon Monoxide Facility-wide Emissions Increase: 148.9700 (Tons/Year)

+Pollutant Name: Nitrogen Oxides (NOx) Facility-wide Emissions Increase: 122.3600 (Tons/Year)

+Pollutant Name: Particulate Matter (PM) Facility-wide Emissions Increase: 98.6200 (Tons/Year)

+Pollutant Name: Sulfur Oxides (SOx) Facility-wide Emissions Increase: 13.5200 (Tons/Year)

+Pollutant Name: Volatile Organic Compounds (VOC) Facility-wide EmissionsFacility-wide Emissions Increase: 48.9200 (Tons/Year)

Process Information: IVANPAH ENERGY CENTER, L.P.

+Process Name: LARGE COMBUSTION TURBINES, COMBINED CYCLE & COGENERATION

+Process Type: 15.210 Primary Fuel: NATURAL GAS Throughput: 500.00 Throughput Unit: MW Process Notes: THE PRINCIPAL PROCESS EQUIPMENT CONSISTS OF TWO WESTINGHOUSE 501 FD COMBUSTION TURBINE GENERATORS, TWO HEAT RECOVERY STEAM GENERATORS, AND ONE STEAM TURBINE GENERATOR.

Pollutant Information: IVANPAH ENERGY CENTER, L.P. - LARGE COMBUSTION TURBINES, COMBINED CYCLE & COGENERATION

+Pollutant Name Particulate matter, filterable < 10 μ (FPM10) Pollutant Group(s): ( Particulate Matter (PM) )

+ CAS Number: PM Test Method: Unspecified

+ Control Method Code: B

+ Control Method Description: GOOD COMBUSTION CONTROL AND USE OF PIPELINE-QUALITY NATURAL GAS Emission Limit 1: 11.2500 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 49.3000 Emission Limit 2 Unit: T/YR Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0 Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

+ Case-by-Case Basis: LAER Other Applicable Requirements: SIP , OPERATING PERMIT Did factors, other then air pollution technology considerations influence the BACT decisions?: Y+Percent Efficiency: Compliance Verified: No Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: THE EMISSION LIMITS LISTED ABOVE APPLY TO EACH COMBUSTION TURBINE GENERATOR WITH THE DUCT BURNER ON.

+Pollutant Name Volatile Organic Compounds (VOC) Pollutant Group(s): ( Volatile Organic Compounds (VOC) )

+ CAS Number: VOC Test Method: Unspecified

+ Control Method Code: B

+ Control Method Description: GOOD COMBUSTION CONTROL AND CATALYTIIC OXIDATION Emission Limit 1: 2.3000 Emission Limit 1 Unit: PPMVD Emission Limit 1 Avg. Time/Condition: 15% OXYGEN, ONE HOUR AVERAGE Emission Limit 2: 5.6000 Emission Limit 2 Unit: LB/H Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0 Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

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

+Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: 2005Pollutants/Compliance Notes: EMISSION LIMIT 2 APPLIES TO EACH COMBUSTION TURBINE GENERATOR WITH THE DUCT BURNER ON.

+Pollutant Name Sulfur Dioxide (SO2) Pollutant Group(s): ( InOrganic Compounds , Oxides of Sulfur (SOx) )

+ CAS Number: 7446-09-5 Test Method: Unspecified

+ Control Method Code: P

+ Control Method Description: USE OF PIPELINE-QUALITY NATURAL GAS Emission Limit 1: 1.5500 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 6.7500 Emission Limit 2 Unit: T/YR Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0 Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

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

+Percent Efficiency: Compliance Verified: No Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: THE EMISSION LIMITS APPLY TO EACH COMBUSTION TURBINE GENERATOR WITH THE DUCT BURNER ON.

+Pollutant Name Ammonia (NH3) Pollutant Group(s): ( InOrganic Compounds )

+ CAS Number: 7664-41-7 Test Method: Unspecified

+ Control Method Code: P

+ Control Method+ Control Method Description: GOOD SCR REAGENT INJECTION CONTROL Emission Limit 1: 10.0000 Emission Limit 1 Unit: PPMVD Emission Limit 1 Avg. Time/Condition: 15% OXYGEN, ONE HOUR AVERAGE Emission Limit 2: 25.8000 Emission Limit 2 Unit: LB/H Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0 Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

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

+Percent Efficiency: Compliance Verified: No Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: EMISSION LIMIT 2 APPLIES TO EACH COMBUSTION TURBINE GENERATOR WITH THE DUCT BURNER ON.

+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: B

+ Control Method Description: DRY LOW NOX COMBUSTION CONTROL IN COMBINATION WITH SELECTIVE CATALYTIC REDUCTION Emission Limit 1: 2.0000 Emission Limit 1 Unit: PPMVD Emission Limit 1 Avg. Time/Condition: 15% OXYGEN, ONE HOUR AVERAGE Emission Limit 2: 13.9600 Emission Limit 2 Unit: LB/HEmission Limit 2 Avg. Time/Condition: Standard Emission Limit: 2.0000 Standard Emission Limit Unit: PPM@ 15% O2 Standard Limit Avg. Time/Condition: 15% OXYGEN, ONE HOUR AVERAGE

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

+Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: 10,909 ($/ton) Incremental Cost Effectiveness: 35,439 ($/ton) Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: 2003 Pollutants/Compliance Notes: EMISSION LIMIT 2 APPLIES TO EACH COMBUSTION TURBINE GENERATOR WITH THE DUCT BURNER ON.

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

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

+ Control Method Code: B

+ Control Method Description: GOOD COMBUSTION CONTROL AND CATALYTIC OXIDATION Emission Limit 1: 4.0000 Emission Limit 1 Unit: PPMVD Emission Limit 1 Avg. Time/Condition: 15% OXYGEN, ONE HOUR AVERAGE Emission Limit 2: 17.0000 Emission Limit 2 Unit: LB/H Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 4.0000 Standard Emission Limit Unit: PPM @ 15% O2 Standard Limit Avg. Time/Condition: 15% OXYGEN, ONE HOUR AVERAGE

+ Case-by-Case Basis: LAEROther Applicable Requirements: SIP , OPERATING PERMIT Did factors, other then air pollution technology considerations influence the BACT decisions?: Y

+Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: 8,392 ($/ton) Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: 2003 Pollutants/Compliance Notes: EMISSION LIMIT 2 APPLIES TO EACH COMBUSTION TURBINE GENERATOR WITH THE DUCT BURNER ON.

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