Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
EXXONMOBIL CHEMICAL CO BAYTOWN OLEFINS PLANT (PART)
3525 DECKER DR, BAYTOWN, TX, 77520
Parent company: EXXON MOBIL CORP
Carcinogen
PBT
— 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 | Propylene | Ammonia | 1,3-Butadiene | Formaldehyde | Total |
|---|---|---|---|---|---|---|
| 2024 | 91,000 | 67,000 | 175,407 | 31,000 | 32,000 | 538,503 |
| 2023 | 205,000 | 103,000 | 175,573 | 36,000 | 30,000 | 792,527 |
| 2022 | 174,000 | 48,000 | 193,868 | 56,800 | 29,001 | 766,825 |
| 2021 | 226,000 | 147,000 | 192,532 | 43,000 | 29,000 | 849,046 |
| 2020 | 120,000 | 86,000 | 132,132 | 46,000 | 30,000 | 584,114 |
| 2019 | 174,000 | 147,000 | 101,185 | 61,000 | 27,000 | 674,236 |
| 2018 | 185,000 | 40,000 | 122,100 | 36,000 | 30,000 | 576,476 |
| 2017 | 152,000 | 80,000 | 86,346 | 55,000 | 27,000 | 568,318 |
| 2016 | 71,000 | 49,000 | 112,540 | 39,000 | 27,000 | 421,031 |
| 2015 | 84,000 | 51,000 | 122,779 | 35,700 | 27,000 | 416,013 |
| 2014 | 74,979 | 58,122 | 98,942 | 37,960 | 27,383 | 394,733 |
| 2013 | 57,000 | 68,000 | 102,922 | 21,300 | 27,300 | 386,636 |
| 2012 | 99,000 | 107,000 | 117,592 | 20,300 | 30,000 | 487,513 |
| 2011 | 57,698 | 159,642 | 117,420 | 20,805 | 30,226 | 480,205 |
| 2010 | 61,900 | 52,400 | 119,082 | 18,600 | 29,005 | 379,530 |
| 2009 | 91,000 | 56,000 | 106,243 | 19,100 | 27,000 | 407,300 |
| 2008 | 152,500 | 69,000 | 93,904 | 32,900 | 25,300 | 469,132 |
| 2007 | 66,200 | 62,300 | 78,090 | 31,800 | 97,300 | 480,767 |
| 2006 | 61,113 | 134,830 | 72,556 | 25,520 | 101,251 | 559,431 |
| 2005 | 117,986 | 135,459 | 73,094 | 23,821 | 97,993 | 586,739 |
| 2004 | 108,054 | 109,232 | 27,689 | 18,714 | 67,912 | 498,390 |
| 2003 | 65,464 | 66,196 | 7,314 | 24,970 | 68,636 | 420,344 |
| 2002 | 67,459 | 88,802 | 262 | 24,374 | 74,405 | 348,106 |
| 2001 | 31,137 | 59,147 | 139 | 20,068 | 71,911 | 225,766 |
| 2000 | 117,000 | 102,000 | 143 | 37,100 | 69,021 | 386,856 |
| 1999 | 51,000 | 73,000 | 103 | 19,400 | 73,021 | 257,415 |
| 1998 | 54,000 | 63,000 | 160 | 16,100 | 69,000 | 247,319 |
| 1997 | 48,000 | 76,000 | 582 | 19,000 | — | 168,004 |
| 1996 | 36,000 | 61,000 | 432 | 19,000 | — | 141,315 |
| 1995 | 83,000 | 57,000 | 372 | 14,900 | — | 179,875 |
| 1994 | 84,000 | 200,000 | 442 | 23,100 | — | 331,534 |
| 1993 | 92,200 | 189,000 | 22 | 48,000 | — | 356,778 |
| 1992 | 182,000 | 167,000 | 22 | 34,000 | — | 415,501 |
| 1991 | 250,000 | 160,000 | 62 | 113,000 | — | 642,991 |
| 1990 | 304,000 | 143,000 | 72 | 156,000 | — | 838,265 |
| 1989 | 302,000 | 178,000 | 72 | 156,000 | — | 733,556 |
| 1988 | — | — | 72 | 289,000 | — | 378,999 |
| 1987 | 302,000 | — | 72 | — | — | 377,415 |