Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
PURITY ISOBUTYLENE PLANT
1500 N S ST, PASADENA, TX, 77508
Parent company: ENTERPRISE PRODUCTS OPERATING LLC
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Ethylene | n-Butyl alcohol | Dichloromethane | Biphenyl | Titanium tetrachloride | Total |
|---|---|---|---|---|---|---|
| 2024 | — | — | — | — | — | 31 |
| 2023 | — | — | — | — | — | 127 |
| 2022 | — | — | — | — | — | 118 |
| 2021 | — | — | — | — | — | 161 |
| 2016 | — | — | — | — | — | 4,470 |
| 2015 | — | — | — | — | — | 4,677 |
| 2014 | — | — | — | — | — | 11,426 |
| 2013 | — | — | — | — | — | 2,345 |
| 2012 | — | — | — | — | — | 708 |
| 2011 | 17 | — | — | — | — | 502 |
| 2010 | — | — | — | 29 | — | 99 |
| 2006 | 3,340 | — | — | 546 | — | 4,928 |
| 2005 | 6,837 | — | — | 3,031 | — | 12,090 |
| 2004 | 28,442 | — | — | 3,042 | — | 33,710 |
| 2003 | 35,267 | — | 2,400 | 3,042 | — | 42,985 |
| 2002 | 35,278 | 46,246 | 3,180 | 3,043 | 2,247 | 92,564 |
| 2001 | 35,123 | 46,246 | 3,600 | 3,043 | 2,247 | 92,832 |
| 2000 | 27,605 | 50,508 | 4,038 | 3,155 | 2,247 | 90,120 |
| 1999 | 123,888 | 31,852 | 1,218 | 1,294 | 2,259 | 163,312 |
| 1998 | 123,109 | 28,885 | 2,760 | 1,294 | 2,253 | 161,060 |
| 1997 | 161,369 | 27,834 | 5,108 | 1,294 | 2,265 | 200,615 |
| 1996 | 231,035 | 27,085 | 2,506 | 1,794 | 2,271 | 267,354 |