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

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

Facility Information: AES RED OAK LLC

RBLC ID: N J-0036 *Corporate/Company N ame: AES RED OAK LLC

*Facility Name: AES RED OAK LLC A g enc y Name: N EW JERSEY DEPT OF ENV PROTECTION A g enc y Contact: ALIYA KHAN A g enc y Phone: (609) 292-2169 A g enc y Email: ALIYA.KHAN @ DEP.STATE.NJ.US Other Agency Contact Info: VIDHU SUKHEJA PO BOX 027 TRENTON, NJ 08625-0027 (609) 633-1124 Permit Issuance Date: 10/24/2001 ACT Date determination entered in RBLC: 03/22/2002

Date determination last updated: 07/08/2008

Process Information : AES RED OAK LLC

*Process Name: FUEL GAS HEATE R *Process Type: 13.310 Primar y Fuel: N ATURAL GAS Throu g hput: 16.00 Throu g hput Unit: MMBTU/H

Pollutant Information: AES RED OAK LLC - FUEL GAS HEATER

*Pollutant Name Carbon Monoxide *Control Method Code: P *Control Method Description: GOOD COMBUSTION PRACTICE

Emission Limit 1: 0.8600 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 3.1810 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Pa g e 1 of 13 Format RBLC Report

3/19/2010Time/Condition: Standard Emission Limit: 0.0538

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition:

*Pollutant Name N itro g en Oxides (NOx) *Control Method Code: N *Control Method Description: N ONE- CONCLUDED THAT FUEL GAS HEATER HAS FAR LOWER HEAT INPUT RATE AND SUCH NOX CONTROLS ARE N OT PROBABLE BASED ON COST-EFFECTIVENESS Emission Limit 1: 0.1200 Emission Limit 1 Unit: LB/MMBTU Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 1.1970 Emission Limit 2 Unit: LB/H Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.1200

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition:

*Pollutant Name Sulfur Dioxide (SO2) *Control Method Code: P *Control Method Description: N ATURAL GAS FUEL

Emission Limit 1: 0.0690 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.2530 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0043

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition:

*Pollutant Name Volatile Or g anic Compounds (VOC) Pa g e 2 of 13 Format RBLC Report

3/19/2010*Control Method Code: P *Control Method Description: GOOD COMBUSTION PRACTICES

Emission Limit 1: 0.1100 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.4070 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name Part iculate Matter (PM) *Control Method Code: N *Control Method Description: N ONE- PM EMISSIONS ALREADY VERY LOW

Emission Limit 1: 0.1200 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.4330 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0271

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition:

Process Information : AES RED OAK LLC

*Process Name: AUXILIARY BOILE R *Process T y pe: 12.310 Primary Fuel: N ATURAL GAS Throu g hput: 120.00 Throughput Unit: MMBTU/H

Pollutant Information: AES RED OAK LLC - AUXILIARY BOILER Pa g e 3 of 13 Format RBLC Report

3/19/2010*Pollutant Name Carbon Monoxide *Control Method Code: P *Control Method Description: GOOD COMBUSTION PRACTICE

Emission Limit 1: 6.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 10.8000 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0500

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition:

*Pollutant Name N itrogen Oxides (NOx) *Control Method Code: P *Control Method Description: LIMITED OPERATION OF 3600 H/Y R

Emission Limit 1: 0.0360 Emission Limit 1 Unit: LB/MMBTU Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 4.3200 Emission Limit 2 Unit: LB/H Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0360

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition:

*Pollutant Name Sulfur Dioxide (SO2) *Control Method Code: P *Control Method Description: N ATURAL GAS FUEL

Emission Limit 1: 0.5140 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.9260 Emission Limit 2 Unit: T/Y R Pa g e 4 of 13 Format RBLC Report

3/19/2010Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0043

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition:

*Pollutant Name Volatile Or g anic Compounds (VOC) *Control Method Code: P *Control Method Description: GOOD COMBUSTION PRACTICES

Emission Limit 1: 0.4800 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.8640 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name Part iculate Matter (PM) *Control Method Code: P *Control Method Description: GOOD COMBUSTION PRACTICES

Emission Limit 1: 0.7920 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 1.4260 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0066

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition: Pa g e 5 of 13 Format RBLC Report

3/19/2010Process Information : AES RED OAK LLC

*Process Name: AUXILIARY BOILE R - DISTILLATE OIL *Process T y pe: 13.220 Primar y Fuel: DISTILLATE FUEL OIL Throu g hput: 99.00 Throughput Unit: MMBTU/H

Pollutant Information: AES RED OAK LLC - AUXILIARY BOILER - DISTILLATE OIL

*Pollutant Name Carbon Monoxide *Control Method Code: P *Control Method Description: GOOD COMBUSTION PRACTICES

Emission Limit 1: 9.9000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 3.5640 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.1000

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition:

*Pollutant Name N itro g en Oxides (NOx) *Control Method Code: P *Control Method Description: LIMIT BOILER USE TO 3600 H/Y R

Emission Limit 1: 0.1000 Emission Limit 1 Unit: LB/MMBTU Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 9.9000 Emission Limit 2 Unit: LB/H Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.1000

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition: Pa g e 6 of 13 Format RBLC Report

3/19/2010*Pollutant Name Sulfur Dioxide (SO2) *Control Method Code: P *Control Method Description: LOW SULFUR OIL (NO PERCENTAGES GIVEN)

Emission Limit 1: 5.0210 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 1.8070 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0507

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition:

*Pollutant Name Volatile Organic Compounds (VOC) *Control Method Code: P *Control Method Description: GOOD COMBUSTION PRACTICES

Emission Limit 1: 0.4950 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.1780 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name Part iculate Matter (PM) *Control Method Code: P *Control Method Description: LIMITED USE

Emission Limit 1: 3.9600 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 1.4260 Emission Limit 2 Unit: T/Y R Pa g e 7 of 13 Format RBLC Report

3/19/2010Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: 0.0400

Standard Emission Limit Unit: LB/MMBTU

Standard Limit Avg. Time/Condition:

Process Information : AES RED OAK LLC

*Process Name: EMERGENCY GENERATO R *Process Type: 17.110 Primar y Fuel: DIESEL FUEL Throughput: 49.00 Throu g hput Unit: MMBTU/H

Pollutant Information: AES RED OAK LLC - EMERGENCY GENERATOR

*Pollutant Name Sulfur Dioxide (SO2) *Control Method Code: P *Control Method Description: LOW SULFUR FUEL

Emission Limit 1: 2.4500 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.6100 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name Volatile Or g anic Compounds (VOC) *Control Method Code: P *Control Method Description: GOOD COMBUSTION

Emission Limit 1: 12.0400 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 3.0100 Pa g e 8 of 13 Format RBLC Report

3/19/2010Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name Part iculate Matter (PM) *Control Method Code: P *Control Method Description: LIMITED USE

Emission Limit 1: 2.6700 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 0.6700 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name Carbon Monoxide *Control Method Code: P *Control Method Description: GOOD COMBUSTION PRACTICE

Emission Limit 1: 1.1100 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 2.7800 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition: Pa g e 9 of 13 Format RBLC Report

3/19/2010*Pollutant Name N itro g en Oxides (NOx) *Control Method Code: P *Control Method Description: LIMITED USE

Emission Limit 1: 159.6500 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 39.9900 Emission Limit 2 Unit: T/Y R Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

Process Information : AES RED OAK LLC

*Process Name: THREE 501 F TURBINES WITH HRSG *Process T y pe: 15.210 Primar y Fuel: N ATURAL GAS Throu g hput: 1967.00 Throu g hput Unit: MMBTU/H AT HHV

Pollutant Information: AES RED OAK LLC - THREE 501 F TURBINES WITH HRSG

*Pollutant Name Carbon Monoxide *Control Method Code: N *Control Method Description: Emission Limit 1: 504.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 12.2000 Emission Limit 2 Unit: PPM @ 15% 02 Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition: Pa g e 10 of 13 Format RBLC Report

3/19/2010*Pollutant Name Ammonia (NH3) *Control Method Code: N *Control Method Description: N H3 EMISSIONS ARE FROM SCR. NO EMISSION LIMIT IS GIVEN. Emission Limit 1: Emission Limit 1 Unit: Emission Limit 1 Avg. Time/Condition: N ot Available

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) *Control Method Code: A *Control Method Description: SC R - MODIFIED FROM 42.1 GAL NH3/H TO 72.11 GAL NH3/H AND FROM 20% TO 19% NH3 SOLUTION Emission Limit 1: 111.0000 Emission Limit 1 Unit: LB/H Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 15.3000 Emission Limit 2 Unit: PPM @ 15% O2 Emission Limit 2 Avg. Time/Condition: ASSUMED 15% O2

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

*Pollutant Name Total Suspended Particulates *Control Method Code: N *Control Method Description: Emission Limit 1: 0.0135 Emission Limit 1 Unit: LB/MMBTU Emission Limit 1 Avg. Time/Condition: Emission Limit 2: Pa g e 11 of 13 Format RBLC Report

3/19/2010Emission Limit 2 Unit: Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

*Pollutant Name Volatile Or g anic Compounds (VOC) *Control Method Code: N *Control Method Description: Emission Limit 1: 0.0041 Emission Limit 1 Unit: LB/MMBTU Emission Limit 1 Avg. Time/Condition: Emission Limit 2: 87.0000 Emission Limit 2 Unit: LB/H Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition:

Process Information : AES RED OAK LLC

*Process Name: COOLING TOWE R - 10 CELL WET MECHANICAL DRAFT *Process T y pe: 99.009 Primary Fuel: Throu g hput: Throughput Unit:

Pollutant Information: AES RED OA K LLC - COOLING TOWER- 10 CELL WET MECHANICAL DRAFT

*Pollutant Name Total Suspended Particulates *Control Method Code: N *Control Method Description: Emission Limit 1: 15.7900 Emission Limit 1 Unit: T/Y R Emission Limit 1 Avg. Pa g e 12 of 13 Format RBLC Report

3/19/2010Time/Condition: Emission Limit 2: 3.6000 Emission Limit 2 Unit: LB/H Emission Limit 2 Avg. Time/Condition: Standard Emission Limit: Standard Emission Limit Unit: Standard Limit Avg. Time/Condition: Pa g e 13 of 13 Format RBLC Report

3/19/2010