1. Houston Air Enforcement Issues John D. Wilson Galveston-Houston Association for Smog Prevention www.ghasp.org

2. SOME Enforcement Problems Not enough enforcement staff Lousy data (regulate what exactly?) Cooling tower leak case study Flare destruction efficiency Not enough enforcement staff

3. Unreported VOC Emissions (TRI) 50 100 150 200 250 TexasLouisiana Millions of Pounds Unreported air pollution Reported air pollution

4. Unreported VOC Emissions (TRI) 79 million pounds 102 plants 38 million pounds 27 plants 25 million pounds 28 plants 9 million pounds 22 plants 255075 Houston-Galveston-Brazoria Beaumont-Port Arthur Baton Rouge Chicago-Gary-Lake County

5. Unreported VOC Emissions (TRI - Nationwide) Unreported VOCs Reported VOCs Hydrochloric acid Methanol Sulfuric acid Ammonia Other air toxics

6. Not Just Vapor: Cooling Towers

7. Cooling Tower Emissions Measured Emission Rate OKGF Leak Allowed Evidence Problems Texas Petrochemicals, Houston572,248 < 1100-- Shell, Deer Park515,000 < 1-7426 ExxonMobil, Baytown495,915 8-5537 Enterprise Products, Mont Belvieu373,096 2-98- Crown Central, Pasadena264,264 2--98 Chevron Phillips, Cedar Bayou34,803 100--- Union Carbide, Texas City29,872 100--- Valero Refining, Houston14,742 2048-32 ExxonMobil, Houston6,321 100--- Total2,306,262 5 %27 %44 %25 %

8. Underreported Flare Pollution “Clean” Flare “Dirty” Flare

9. Houston Air Enforcement Issues John D. Wilson Galveston-Houston Association for Smog Prevention www.ghasp.org