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: AEP WATERFORD ENERGY LLC

RBLC ID: OH-0255

+ Corporate/Company Name: AMERICAN ELECTRIC POWER

+Facility Name: AEP WATERFORD ENERGY LLC Facility County: WASHINGTON Facility State: OH Facility ZIP Code: 43235 Facility Country: USA Facility Contact Name: MARK HIGGEN Facility Contact Phone: Facility Contact Email: EPA Region: 5 Agency Code: OH001 Agency Name: OHIO ENVIRONMENTAL PROTECTION AGENCY Agency Contact: MS. CHERYL SUTTMAN Agency Phone: (614)644-3617 Agency Email: CHERYL.SUTTMAN@EPA.STATE.OH.US Other Agency Contact Info: CHERYL E. SUTTMAN 122 S. FRONT ST. COLUMBUS, OH 43215 614-644-3617

+Permit Number: 06-06739

+ SIC Code: 4911 NAICS Code: 221112 Facility Registry System Number: 110012193492 Application Accepted Received Date: 06/05/2000 ACT Permit Issuance Date: 03/29/2001 ACT Date determination entered in RBLC: 04/10/2003 Date determination last updated: 05/12/2008 Permit Type: Both B: (Add new process to existing facility) &C: (Modify process at existing facility) Permit URL: Facility Description: THREE 170 MW NATURAL GAS-FIRED COMBUSTION TURBINES; STAGE I SIMPLE CYCLE TO STAGE II COMBINED CYCLE Permit Notes: THREE 170 MW NATURAL GAS-FIRED COMBUSTION TURBINES; Previous PagePermit Notes: THREE 170 MW NATURAL GAS-FIRED COMBUSTION TURBINES; STAGE I SIMPLE CYCLE TO STAGE II COMBINED CYCLE, WITH ADDING 3 HEAT RECOVERY STEAM GENERATORS; W/ DUCT BURNERS; AND AXULIARY NATURAL GAS-FIRED 85.2 MMBTU/HR BOILER; DIESEL-FIRED EMERGENCY GENERATOR AND FIRE PUMP; A 2-CELL BLOW-DOWN COOLING TOWER; 9.3 MMBTU/HR NATURAL GAS-FIRED HEATER. ORIGINAL PERMIT WAS PTI# 06-06206 ISSUED TO AEP; PERMIT # CHANGED 06-06739 W/ STARTUP/SHUTDOWN EMISSIONS ADDED

Affected Boundaries: AEP WATERFORD ENERGY LLC

Facility-wide Emissions: AEP WATERFORD ENERGY LLC

+Pollutant Name: Carbon Monoxide Facility-wide Emissions Increase: 1128.9000 (Tons/Year)

+Pollutant Name: Nitrogen Oxides (NOx) Facility-wide Emissions Increase: 460.9000 (Tons/Year)

+Pollutant Name: Particulate Matter (PM) Facility-wide Emissions Increase: 310.8000 (Tons/Year)

+Pollutant Name: Sulfur Oxides (SOx) Facility-wide Emissions Increase: 170.0000 (Tons/Year)

+Pollutant Name: Volatile Organic Compounds (VOC) Facility-wide Emissions Increase: 97.3000 (Tons/Year)

Process Information: AEP WATERFORD ENERGY LLC

+Process Name: COMBUSTION TURBINES (3), SIMPLE CYCLE

+Process Type: 15.110 Primary Fuel: NATURAL GAS Throughput: 170.00 Throughput Unit: MW Process Notes: 3 turbines 170 MW each, w/ DLN. Phase I Emission Limitations

Pollutant Information: AEP WATERFORD ENERGY LLC - COMBUSTION TURBINES (3), SIMPLE CYCLE

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

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

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 33.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 28.1000 Emission Limit 2 Unit: T/YR 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?: U

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

+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 BURNERS (DLN), STAGE I Emission Limit 1: 64.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition:Emission Limit 2: 54.4000 Emission Limit 2 Unit: T/YR 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?: U

+Percent Efficiency: 90.000 Compliance Verified: Unknown Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: LIMITS ARE FOR EACH TURBINE.

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

+ CAS Number: PM Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 18.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 15.3000 Emission Limit 2 Unit: T/YR Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0 Standard Emission Limit Unit: Standard Limit Avg.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: Yes Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: Limits are for each turbine.

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

+ CAS Number: VOC Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 3.2000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 2.7000 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: Did factors, other then air pollution technology considerations influence the BACT decisions?: U+Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: LIMITS ARE FOR EACH TURBINE.

+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: N

+ Control Method Description: Emission Limit 1: 12.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 10.2000 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: Did factors, other then air pollution technology considerations influence the BACT decisions?:

+Percent Efficiency: Compliance Verified: Yes Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/CompliancePollutants/Compliance Notes: Limits are for each turbine.

+Pollutant Name Sulfuric Acid (mist, vapors, etc) Pollutant Group(s): ( InOrganic Compounds , Particulate Matter (PM) )

+ CAS Number: 7664-93-9 Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.4800 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.4100 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: N/A Other Applicable Requirements: SIP Did factors, other then air pollution technology considerations influence the BACT decisions?:

+Percent Efficiency: Compliance Verified: Yes Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: Limits are for each turbine.

+Pollutant Name Formaldehyde Pollutant Group(s): ( Hazardous Air Pollutants (HAP) , Organic Compounds (all) , Volatile Organic Compounds (VOC) )

+ CAS Number: 50-00-0 Test Method: Unspecified

+ Control Method Code: N+ Control Method Description: Emission Limit 1: 0.2300 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.2000 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: N/A Other Applicable Requirements: SIP Did factors, other then air pollution technology considerations influence the BACT decisions?:

+Percent Efficiency: Compliance Verified: Yes Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: Limits are for each turbine.

+Pollutant Name Visible Emissions (VE) Pollutant Group(s):

+ CAS Number: VE Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 10.0000 Emission Limit 1 Unit: % OPACITY Emission Limit 1 Avg. Time/Condition: 6 MINUTE AVERAGE Emission Limit 2: 0 Emission Limit 2 Unit: Emission Limit 2 Avg.Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 10.0000 Standard Emission Limit Unit: % OPACITY Standard Limit Avg. Time/Condition: 6 MINUTE AVERAGE

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

+Percent Efficiency: Compliance Verified: Yes Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: LIMITS FOR EACH TURBINE.

Process Information: AEP WATERFORD ENERGY LLC

+Process Name: BOILER, NATURAL GAS

+Process Type: 13.310 Primary Fuel: NATURAL GAS Throughput: 85.20 Throughput Unit: MMBTU/H Process Notes:

Pollutant Information: AEP WATERFORD ENERGY LLC - BOILER, NATURAL GAS

+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: N

+ Control Method Description: Emission Limit 1: 3.0700 Emission Limit 1 Unit: LB/HEmission Limit 1 Avg. Time/Condition: Emission Limit 2: 13.4000 Emission Limit 2 Unit: T/YR Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0360 Standard Emission Limit Unit: LB/MMBTU 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: Yes Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes:

+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: LOW S NATURAL GAS, 2 GR/100 SCF Emission Limit 1: 0.0500 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.2200 Emission Limit 2 Unit: T/YR Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0006 Standard EmissionStandard Emission Limit Unit: LB/MMBTU 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: Yes 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: N

+ Control Method Description: Emission Limit 1: 6.3000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 27.6000 Emission Limit 2 Unit: T/YR Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0740 Standard Emission Limit Unit: LB/MMBTU Standard Limit Avg. Time/Condition:

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

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

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

+ CAS Number: VOC Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.3500 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.0041 Emission Limit 2 Unit: LB/MMBTU Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0041 Standard Emission Limit Unit: LB/MMBTU 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: Yes Cost Effectiveness: Incremental Cost Effectiveness:Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes:

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

+ CAS Number: PM Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.4300 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 1.8700 Emission Limit 2 Unit: T/YR Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0050 Standard Emission Limit Unit: LB/MMBTU 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: Yes Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes:

+Pollutant Name Visible Emissions (VE) Pollutant Group(s):

+ CAS Number: VETest Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 20.0000 Emission Limit 1 Unit: % OPACITY Emission Limit 1 Avg. Time/Condition: 6 MINUTE AVERAGE Emission Limit 2: 0 Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 20.0000 Standard Emission Limit Unit: % OPACITY Standard Limit Avg. Time/Condition: 6 MINUTE AVERAGE

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

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

Process Information: AEP WATERFORD ENERGY LLC

+Process Name: TURBINES (3), COMBINED CYCLE, W/O DUCT FIRING

+Process Type: 15.210 Primary Fuel: NATURAL GAS Throughput: 170.00 Throughput Unit: MW Process Notes: (3) GE 7FA COMBUSTION TURBINES OPERATING IN COMBINED CYCLE MODE W/O DUCT FIRING. CONTROLLED BY DRY LOW NOX (DLN) COMBUSTORS AND SELECTIVE CATALYTIC REDUCTION (SCR). STAGE II EMISSION LIMITATIONS.Pollutant Information: AEP WATERFORD ENERGY LLC - TURBINES (3), COMBINED CYCLE, W/O DUCT FIRING

+Pollutant Name Formaldehyde Pollutant Group(s): ( Hazardous Air Pollutants (HAP) , Organic Compounds (all) , Volatile Organic Compounds (VOC) )

+ CAS Number: 50-00-0 Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.2300 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 1.0600 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: N/A Other Applicable Requirements: SIP 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: LIMITS FOR EACH TURBINE.

+Pollutant Name Sulfuric Acid (mist, vapors, etc) Pollutant Group(s): ( InOrganic Compounds , Particulate Matter (PM) )

+ CAS Number: 7664-93-9Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.4800 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 2.3000 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: N/A Other Applicable Requirements: SIP 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: LIMITS FOR EACH TURBINE.

+Pollutant Name Visible Emissions (VE) Pollutant Group(s):

+ CAS Number: VE Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 10.0000 Emission Limit 1 Unit: % OPACITY Emission Limit 1 Avg. Time/Condition: 6 MINUTE AVERAGE Emission Limit 2: 0Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 10.0000 Standard Emission Limit Unit: % OPACITY Standard Limit Avg. Time/Condition: 6 MINUTE AVERAGE

+ Case-by-Case Basis: N/A Other Applicable Requirements: SIP 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: LIMITS FOR EACH TURBINE.

+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 (DLN) AND SELECTIVE CATALYTIC REDUCTION (SCR). Emission Limit 1: 25.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 146.9000 Emission Limit 2 Unit: T/YR Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 3.5000 Standard Emission Limit Unit: PPM @ 15% O2 Standard Limit Avg.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?: U

+Percent Efficiency: 90.000 Compliance Verified: Unknown Cost Effectiveness: 11,325 ($/ton) Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: 2000 Pollutants/Compliance Notes: LIMITS ARE FOR EACH TURBINE. COST ANALYSIS IS FOR ONE SYSTEM. STARTUP EMISSIONS FOR NOX IN MODIFICATION OF 3/20/07: 418 LB/CYCLE AND 27.4 T/YR

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

+ CAS Number: PM Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 21.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 100.0000 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: Did factors, other thenDid 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: EMISSION LIMITS FOR EACH TURBINE.

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

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

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 33.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 366.6000 Emission Limit 2 Unit: T/YR 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?: U

+Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: Incremental Cost Effectiveness:Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: LIMITS FOR EACH TURBINE. STARTUP EMISSIONS FOR CO IN MODIFICATION OF 3/20/07: 1127 LB/CYCLE AND 150.1 T/YR

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

+ CAS Number: VOC Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 3.2000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 31.8000 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: Did factors, other then air pollution technology considerations influence the BACT decisions?: U

+Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: LIMITS FOR EACH TURBINE. STARTUP EMISSIONS FOR VOC IN MODIFICATION OF 3/20/07: 97 LB/CYCLE AND 10.6 T/YR

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

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

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 26.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 123.1000 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: N/A Other Applicable Requirements: SIP 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: LIMITS FOR EACH TURBINE.

Process Information: AEP WATERFORD ENERGY LLC

+Process Name: TURBINES (3), COMBINED CYCLE, W/ DUCT FIRING

+Process Type: 15.210 Primary Fuel: NATURAL GAS Throughput: 170.00 Throughput Unit: MW Process Notes: (3) GE 7FA COMBUSTION TURBINES OPERATING IN COMBINED CYCLE MODE AND DUCT FIRING, CONTROLLED BY DRY LOW NOX (DLN) AND SELECTIVE CATALYTIC REDUCTION (SCR). PHASE II EMISSION LIMITATIONS.Pollutant Information: AEP WATERFORD ENERGY LLC - TURBINES (3), COMBINED CYCLE, W/ DUCT FIRING

+Pollutant Name Visible Emissions (VE) Pollutant Group(s):

+ CAS Number: VE Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 10.0000 Emission Limit 1 Unit: % OPACITY Emission Limit 1 Avg. Time/Condition: 6 MINUTE AVERAGE Emission Limit 2: 0 Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 10.0000 Standard Emission Limit Unit: % OPACITY Standard Limit Avg. Time/Condition: 6 MINUTE AVERAGE

+ Case-by-Case Basis: N/A Other Applicable Requirements: SIP 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 Ammonia (NH3) Pollutant Group(s): ( InOrganic Compounds )

+ CAS Number: 7664-41-7 Test Method: Unspecified+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 30.6000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 123.1000 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: N/A Other Applicable Requirements: SIP 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: LIMITS FOR EACH TURBINE.

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

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

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 69.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 366.6000 Emission Limit 2 Unit: T/YREmission Limit 2 Avg. Time/Condition: Standard Emission Limit: 15.0000 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?: U

+Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: LIMITS FOR EACH TURBINE. STARTUP EMISSIONS FOR CO IN MODIFICATION OF 3/20/07: 1127 LB/CYCLE AND 150.1 T/YR

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

+ CAS Number: VOC Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 6.8000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 31.8000 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-PSDOther Applicable Requirements: Did factors, other then air pollution technology considerations influence the BACT decisions?: U

+Percent Efficiency: Compliance Verified: Unknown Cost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: LIMITS FOR EACH TURBINE. STARTUP EMISSIONS FOR VOC IN MODIFICATION OF 3/20/07: 97 LB/CYCLE AND 10.6 T/YR

+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 (DLN) COMBUSTORS AND SELECTIVE CATALYTIC REDUCTION (SCR) Emission Limit 1: 30.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 146.9000 Emission Limit 2 Unit: T/YR Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 3.5000 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?: U

+Percent Efficiency: 90.000 Compliance Verified: UnknownCost Effectiveness: 11,325 ($/ton) Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: 2000 Pollutants/Compliance Notes: LIMITS FOR EACH TURBINE. STARTUP EMISSIONS FOR NOX IN MODIFICATION OF 3/20/07: 418 LB/CYCLE AND 27.4 T/YR

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

+ CAS Number: PM Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 25.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 100.0000 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: 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: LIMITS FOR EACH TURBINE.+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: N

+ Control Method Description: Emission Limit 1: 14.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 56.6000 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: 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: LIMITS FOR EACH TURBINE.

+Pollutant Name Sulfuric Acid (mist, vapors, etc) Pollutant Group(s): ( InOrganic Compounds , Particulate Matter (PM) )

+ CAS Number: 7664-93-9 Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.5600 Emission Limit 1 Unit: LB/HEmission Limit 1 Avg. Time/Condition: Emission Limit 2: 2.3000 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: N/A Other Applicable Requirements: SIP 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: LIMITS FOR EACH TURBINE.

+Pollutant Name Formaldehyde Pollutant Group(s): ( Hazardous Air Pollutants (HAP) , Organic Compounds (all) , Volatile Organic Compounds (VOC) )

+ CAS Number: 50-00-0 Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.2600 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 1.0600 Emission Limit 2 Unit: T/YR Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

+ Case-by-Case Basis: N/A Other Applicable Requirements: SIP 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: LIMITS FOR EACH TURBINE.

Process Information: AEP WATERFORD ENERGY LLC

+Process Name: EMERGENCY GENERATOR

+Process Type: 17.110 Primary Fuel: DIESEL Throughput: 1000.00 Throughput Unit: KW Process Notes: 1000 KW EMERGENCY DIESEL FUEL FIRED GENERATOR, 1341 HP. LIMITED TO 500 H/YR OF OPERATION.

Pollutant Information: AEP WATERFORD ENERGY LLC - EMERGENCY GENERATOR

+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: N

+ Control Method Description: Emission Limit 1: 0.8200 Emission Limit 1 Unit: T/YR Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0 Standard Emission Limit Unit: Standard Limit Avg. Time/Condition: Not Available

+ 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: Standardized limit not available. Unit limited to 500 hours per 12 month period.

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

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

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.2200 Emission Limit 1 Unit: T/YR Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0 Standard Emission Limit Unit: Standard Limit Avg. Time/Condition: Not Available+ 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: Standardized limit not available. Unit limited to 500 hours per 12 month period.

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

+ CAS Number: VOC Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.0200 Emission Limit 1 Unit: T/YR Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit: 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: Did factors, other then air pollution technology considerations influence the BACT decisions?:

+Percent Efficiency: Compliance Verified: UnknownCost Effectiveness: Incremental Cost Effectiveness: Cost Verified (Y/N)?: No Dollar Year Used In Cost Estimates: Pollutants/Compliance Notes: Unit limited to 500 hours per 12 month period.

+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: LOW SULFUR FUEL Emission Limit 1: 0.0100 Emission Limit 1 Unit: T/YR Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit: 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: 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: Unit limited to 500 hours per 12 month period.+Pollutant Name Particulate matter, filterable < 10 μ (FPM10) Pollutant Group(s): ( Particulate Matter (PM) )

+ CAS Number: PM Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.0100 Emission Limit 1 Unit: T/YR Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit: 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: 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: Unit limited to 500 hours per 12 month period.

Process Information: AEP WATERFORD ENERGY LLC

+Process Name: FIRE WATER PUMP

+Process Type: 17.210 Primary Fuel: DIESEL Throughput: 290.00 Throughput Unit: KW Process Notes: 290 KW EMERGENCY DIESEL FUEL FIRE WATER PUMP, 389 HP.Process Notes: 290 KW EMERGENCY DIESEL FUEL FIRE WATER PUMP, 389 HP. LIMITED TO 500 H/YR OPERATION.

Pollutant Information: AEP WATERFORD ENERGY LLC - FIRE WATER PUMP

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

+ CAS Number: VOC Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.0200 Emission Limit 1 Unit: T/YR Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit: 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: 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: Unit limited to 500 hours per 12 month period.

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

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

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.0500 Emission Limit 1 Unit: T/YR Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit: 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: 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: Standardized limit not available. Unit limited to 500 hours per 12 month period.

+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: LOW SULFUR FUEL Emission Limit 1: 0.0030 Emission Limit 1 Unit: T/YR Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0Emission Limit 2 Unit: 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: 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: Unit limited to 500 hours per 12 month period.

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

+ CAS Number: PM Test Method: Unspecified

+ Control Method Code: N

+ Control Method Description: Emission Limit 1: 0.0170 Emission Limit 1 Unit: T/YR Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit: 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: 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: Unit limited to 500 hours per 12 month period.

+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: N

+ Control Method Description: Emission Limit 1: 0.2400 Emission Limit 1 Unit: T/YR Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0 Emission Limit 2 Unit: 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: 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: Standardized limit not available. Unit limited to 500 hours per 12 month period.

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