Bryan W. Shaw, Ph.D., Chairman Carlos Rubinstein, Commissioner Toby Baker, Commissioner Zak Covar, Executive Director TEXAS COMMISSION ON ENVIRONMENTAL QUALITY Protecting Texas by Reducing and Preventing Pollution December 14, 2012 MR WAYNE ADAMS SR VP CENTURY EXPLORATION HOUSTON LLC 10210 GROGANS MILL RD THE WOODLANDS TX 77380-1143 Permit by Rule Registration Number: Location/City/County: Project Description/Unit: Regulated Entity Number: Customer Reference Number: New or Existing Site: Renewal Date (if applicable): 106441 Fr Vidor Go N On Fm 105 For 4.1 Mi To Fm 1131 And Continue W 1.7 Mi Turn R Onto Revere Ln And Go N 1.2 Mi Veer L Onto Rifle Range Rd And Continue 0.5 Mi Turn R And Continue N 2.0 Mi Go L And Travel S 0.3 Mi Turn L And Continue S 0.4 Mi To Facility, Vidor, Orange County Keith Davis Production Facility RN106529621 CN603138280 New None Century Exploration Houston, LLC has certified the site wide emissions associated with the Keith Davis Production Facility under Title 30 Texas Administrative Code §§ 106.352 (l) (effective 2/27/11), 106.492, 106.512. For rule information see: www.tceq.texas.gov/permitting/air/nav/numerical_index.html Planned MSS emissions for blowdowns, blowcase vessels, and sampling have been reviewed. These authorized MSS emissions are included on the emissions table. No other planned MSS emissions have been represented or reviewed. The company is also reminded that these facilities may be subject to and must comply with other state and federal air quality requirements. In addition, under the General Requirements for all Permit by Rules, § 106.2 states that particular requirements only apply “where construction is commenced on or after the effective date of the relevant permit by rule.” This certification is taken under the authority delegated by the Executive Director of the TCEQ. If you have questions, please contact Mr. Robert Chavez at (512) 239-0442. Sincerely, Anne M. Inman, P.E., Manager Rule Registrations Section Air Permits Division cc: Air Section Manager, Region 10 - Beaumont Project Number: 184046 P.O. Box 13087 • Austin, Texas 78711-3087 • 512-239-1000 • tceq.texas.gov How is our customer service? tceq.texas.gov/customersurvey printed on recycled paper Emission Sources - Certified Emission Rates Registration Number 106441 This table lists the certified emission rates and all sources of air contaminants on the applicant’s property covered by this registration. The emission rates shown are those derived from information submitted as part of the registration for PBR. ESTIMATED EMISSIONS EPN / Emission Source Specific VOC or Other Pollutants VOC NOx CO PM10 PM 2.5 SO2 HAPs lbs/hr tpy lbs/hr tpy lbs/hr tpy lbs/hr tpy lbs/hr tpy lbs/hr tpy lbs/hr tpy 0.01 0.02 0.09 0.39 0.07 0.31 0.01 0.04 0.01 0.04 <0.01 <0.01 <0.01 0.01 HT1 0.5MMBtu/hr/Heater Treater <0.01 <0.01 0.04 0.18 0.04 0.18 <0.01 0.01 <0.01 0.01 <0.01 <0.01 <0.01 <0.01 REB1-0.25 MMBtu/hr Reboiler <0.01 <0.01 0.02 0.09 0.02 0.09 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 COMP1/625 hp Caterpillar 398TA 0.16 0.68 0.69 3.02 0.69 3.02 0.1 0.44 0.1 0.44 <0.01 <0.01 0.17 0.74 COMP2/203 hp Caterpillar 3306TA 0.03 0.13 0.9 3.94 1.79 7.84 0.03 0.13 0.03 0.13 <0.01 <0.01 0.05 0.22 COMP3/830 hp Caterpillar 399 TA 0.73 3.2 3.66 16.03 7.32 32.06 0.13 0.57 0.13 0.57 <0.01 0.02 0.22 1.96 COMP4/1067 hp Waukesha 7042 GU 0.14 0.61 4.7 20.59 9.41 41.22 0.15 0.66 0.15 0.66 <0.01 0.02 0.25 1.09 MSS-COMP1/Compressor Blowdown MSS-COMP2/Compressor Blowdown MSS-COMP3/Compressor Blowdown MSS-COMP4/Compressor Blowdown TL1/Truck loading 23.21 0.14 0.77 <0.01 11.6 0.07 0.39 <0.01 38.68 0.93 1.28 0.03 38.68 0.93 1.28 0.03 0.63 LN1 -1.0MMBtu/hr/Line Heater 0.39 0.16 1.49 TL2/Truck loading 0.55 0.19 0.03 0.01 FUG1/Fugitives 1.46 6.39 0.07 0.32 FUG2/Fugitives 0.09 0.39 <0.01 0.02 LOTANK/Lube Oil Tank <0.01 <0.01 <0.01 <0.01 GLYTANK/Glycol Tank <0.01 <0.01 <0.01 <0.01 BLCS1/Blowcase VesselCondensed Liquids 0.04 <0.01 <0.01 <0.01 BLCS2/Blowcase VesselCompressor Skid Fluids 0.42 0.16 0.01 <0.01 PC-Pneumatic Controllers 0.31 1.37 0.01 0.05 MSS-SAMPLE/Sampling emissions 2.71 0.02 0.09 <0.01 FL1/Facility Flare 6.28 TOTAL EMISSIONS (TPY): MAXIMUM OPERATING SCHEDULE: 8.72 24.13 Hours/Day 0.15 46.82 89.87 Days/Week 1.86 1.86 Weeks/Year 0.06 Hours/Year 0.23 4.36 8760