houston air enforcement issues john d. wilson galveston-houston association for smog prevention
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Houston Air Enforcement Issues
John D. Wilson
Galveston-Houston Association for Smog Prevention
www.ghasp.org
SOME Enforcement Problems
• Not enough enforcement staff
• Lousy data (regulate what exactly?)
• Cooling tower leak case study
• Flare destruction efficiency
• Not enough enforcement staff
Unreported VOC Emissions (TRI)
50
100
150
200
250
Texas Louisiana
Mill
ions
of
Po
unds
Unreportedair pollution
Reported airpollution
Unreported VOC Emissions (TRI)
79 million pounds102 plants
38 million pounds27 plants
25 million pounds28 plants
9 million pounds22 plants
25 50 75
Houston-Galveston-Brazoria
Beaumont-Port Arthur
Baton Rouge
Chicago-Gary-Lake County
Unreported VOC Emissions(TRI - Nationwide)
UnreportedVOCs
ReportedVOCs
Hydrochloric acid Methanol
Sulfuric acid
Ammonia
Other air toxics
Not Just Vapor: Cooling Towers
Cooling Tower EmissionsMeasured
Emission RateOK GF Leak
AllowedEvidence
Problems
Texas Petrochemicals, Houston 572,248 < 1 100 - -
Shell, Deer Park 515,000 < 1 - 74 26
ExxonMobil, Baytown 495,915 8 - 55 37
Enterprise Products, Mont Belvieu 373,096 2 - 98 -
Crown Central, Pasadena 264,264 2 - - 98
Chevron Phillips, Cedar Bayou 34,803 100 - - -
Union Carbide, Texas City 29,872 100 - - -
Valero Refining, Houston 14,742 20 48 - 32
ExxonMobil, Houston 6,321 100 - - -
Total 2,306,262 5 % 27 % 44 % 25 %
Underreported Flare Pollution
“Clean” Flare “Dirty” Flare
Houston Air Enforcement Issues
John D. Wilson
Galveston-Houston Association for Smog Prevention
www.ghasp.org
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