- Executive Director’s Response to EPA Order on Petitions VI-2014-04 and VI-2014-05, Permit Numbers: O1668 and O1669, Shell Chemical LP and Shell Oil Company
- Supplemental TCEQ Response to Petition Orders
- Draft Permit O1668 and O1669
- Statement of Basis (SOB) for O1668 and O1669
- TCEQ's Response to EPA Order on Petitions VI-2014-04 and VI-2014-05 Permit Numbers: O1668 and O1669 Shell Chemical LP and Shell Oil Company (PDF)(13 pp, 357 K, December 21, 2015)
- Supplement to Permit for Shell Chemical Permit Renewal (PDF)(4 pp, 200 K, February 4, 2016)
- Shell Deer Park Draft Permit O1668 (PDF)(802 pp, 13 MB, April 4, 2014)
- Shell Deer Park SOB - O1668 (PDF)(177 pp, 1 MB, March 3, 2016)
- Shell Deer Park Draft Permit O1669 (PDF)(808 pp, 15 MB, April 4, 2014)
- Shell Deer Park SOB - O1669 (PDF)(168 pp, 1 MB, March 3, 2016)
- Shell Deer Park - EPA Comment letter (PDF)(7 pp, 5 MB, May 3, 2016)