SIP: Get Information or Contact Staff
How to get information on the State Implementation Plan for air quality in Texas and contact relevant staff.
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Contact Staff
You may also call the Air Quality Planning Section program staff at the numbers below. Or e-mail us at siprules@tceq.texas.gov and put the name of your city or local area (such as “Beaumont–Port Arthur”) in the subject line.
Primary contacts
Alison Stokes, SIP Team Leader
(512) 239-4902
Regional contacts
Austin (Ozone)
Denine Calvin
(512) 239-0613
Beaumont–Port Arthur (Ozone)
Vanessa De Arman
(512) 239-5609
Corpus Christi (Ozone)
Vanessa De Arman
(512) 239-5609
Dallas–Fort Worth (Ozone)
Denine Calvin
(512) 239-0613
El Paso
Vanessa De Arman (Particulate Matter)
(512) 239-5609
Alison Stokes (Ozone, Carbon Monoxide)
(512) 239-4902
Houston-Galveston-Brazoria (Ozone)
Vanessa De Arman
(512) 239-5609
Northeast Texas (Ozone)
Denine Calvin
(512) 239-0613
San Antonio (Ozone)
Stephanie Frederick
(512) 239-1001
Victoria (Ozone)
Mary Ann Cook
(512) 239-6739
Cross-State Air Pollution Rule (CSAPR) and Interstate Transport
Alison Stokes
(512) 239-4902
Regional Haze (Statewide Visibility Impairing Pollutants - Particulate Matter, Sulfur Dioxide, and Nitrogen Oxides)
Best Available Retrofit Technology
Margaret Earnest
(512) 239-4581
Sulfur Dioxide
Mary Ann Cook
(512) 239-6739
Particulate Matter
Vanessa De Arman
(512) 239-5609
Nitrogen Dioxide
Margaret Earnest
(512) 239-4581
Lead
Alison Stokes
(512) 239-4902
Mobile Source SIP Revisions
Alison Stokes
(512) 239-4902