Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
4101 LA HWY 108, WESTLAKE, LA, 70669
Parent company: LYONDELLBASELL FINANCE CO
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Propylene | Ethylene | Ammonia | Cyclohexane | Chlorine | Total |
|---|---|---|---|---|---|---|
| 2024 | 319,937 | 177,222 | 11,539 | — | — | 508,938 |
| 2023 | 288,034 | 161,488 | — | — | — | 449,984 |
| 2022 | 162,973 | 80,693 | — | — | — | 244,022 |
| 2021 | 293,153 | 244,632 | — | — | — | 537,785 |
| 2020 | 171,743 | 138,143 | — | — | — | 309,886 |
| 2019 | 247,673 | 195,382 | — | — | — | 443,055 |
| 2018 | 153,696 | 111,943 | — | — | — | 265,639 |
| 2017 | 238,199 | 163,369 | — | — | — | 401,568 |
| 2016 | 268,535 | 195,505 | — | — | — | 464,040 |
| 2015 | 233,649 | 172,082 | 11,160 | — | — | 416,891 |
| 2014 | 79,199 | 30,529 | — | — | — | 109,728 |
| 2013 | 41,391 | 15,408 | — | — | — | 56,799 |
| 2012 | 113,973 | 43,967 | — | — | — | 157,940 |
| 2011 | 47,790 | 24,659 | — | — | — | 72,449 |
| 2010 | 42,291 | 4,238 | — | — | — | 46,529 |
| 2009 | 49,142 | 8,920 | 13,852 | — | — | 71,914 |
| 2008 | 81,011 | 10,255 | 2,191 | — | — | 93,457 |
| 2007 | 256,942 | 61,725 | — | — | — | 318,667 |
| 2006 | 129,718 | 23,890 | 15,524 | — | — | 169,132 |
| 2005 | 96,586 | 31,611 | — | — | — | 128,197 |
| 2004 | 59,382 | 18,406 | — | — | — | 77,788 |
| 2003 | 41,744 | 21,472 | — | — | — | 63,216 |
| 2002 | 58,309 | 18,902 | — | — | — | 77,244 |
| 2001 | 28,906 | 29,728 | — | 524 | 150 | 59,620 |
| 2000 | 29,094 | 7,406 | — | 519 | 300 | 37,357 |
| 1999 | 17,985 | 6,648 | — | 415 | 300 | 25,413 |
| 1998 | 20,431 | 8,173 | — | 415 | 300 | 29,651 |
| 1997 | 22,273 | 9,377 | — | 404 | 300 | 32,686 |
| 1996 | 28,416 | 10,094 | — | 1,402 | 300 | 40,533 |
| 1995 | 30,876 | 11,281 | — | 859 | 300 | 43,608 |
| 1994 | 62,813 | 16,720 | — | 1,286 | 278 | 81,448 |
| 1993 | 94,868 | 13,967 | — | 1,774 | 250 | 113,402 |
| 1992 | 72,153 | 8,480 | — | 1,500 | 250 | 85,398 |
| 1991 | 49,861 | 13,552 | — | 1,000 | 250 | 67,676 |
| 1990 | 66,879 | 14,700 | — | 1,000 | 250 | 86,928 |
| 1989 | 81,800 | 21,300 | — | 750 | 1,999 | 106,599 |
| 1988 | — | 5,970 | — | 250 | 2,000 | 10,320 |
| 1987 | 60,000 | — | — | 220 | — | 60,220 |