Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
2200 OLD SPANISH TRAIL, WESTLAKE, LA, 70669
Parent company: PHILLIPS 66 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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Propylene | Ammonia | Toluene | Total |
|---|---|---|---|---|---|---|
| 2024 | 635,161 | 207,512 | 20,450 | 130,087 | 32,804 | 1,302,922 |
| 2023 | 293,696 | 185,455 | 44,890 | 231,997 | 31,664 | 1,068,029 |
| 2022 | 769,655 | 246,584 | 44,080 | 104,483 | 34,039 | 1,484,856 |
| 2021 | 589,024 | 329,223 | 41,118 | 133,889 | 33,946 | 1,409,026 |
| 2020 | 347,966 | 324,730 | 48,254 | 140,245 | 18,789 | 1,112,733 |
| 2019 | 403,313 | 287,330 | 84,842 | 125,635 | 20,773 | 1,169,248 |
| 2018 | 490,523 | 311,454 | 38,382 | 57,732 | 21,404 | 1,147,995 |
| 2017 | 639,394 | 212,749 | 64,585 | 50,463 | 14,836 | 1,192,691 |
| 2016 | 922,872 | 180,941 | 66,869 | 52,057 | 12,882 | 1,447,598 |
| 2015 | 934,658 | 172,205 | 84,415 | 50,906 | 21,623 | 1,505,497 |
| 2014 | 812,642 | 190,197 | 96,262 | 44,673 | 30,584 | 1,362,604 |
| 2013 | 786,143 | 190,387 | 82,495 | 46,146 | 21,141 | 1,309,315 |
| 2012 | 1,356,759 | 274,890 | 121,896 | 42,803 | 19,799 | 2,122,081 |
| 2011 | 822,272 | 302,652 | 114,452 | 40,938 | 23,339 | 1,444,028 |
| 2010 | 523,218 | 144,034 | 78,695 | 39,396 | 38,042 | 991,197 |
| 2009 | 811,346 | 111,587 | 39,532 | 40,606 | 27,592 | 1,176,827 |
| 2008 | 622,564 | 320,188 | 63,244 | 40,474 | 31,390 | 1,267,227 |
| 2007 | 982,348 | 198,797 | 62,197 | 18,994 | 29,782 | 1,464,775 |
| 2006 | 974,976 | 315,490 | 65,141 | 14,875 | 31,282 | 1,579,661 |
| 2005 | 854,878 | 417,977 | 62,118 | 2,494 | 29,703 | 1,554,941 |
| 2004 | 240,456 | 611,140 | 28,738 | 2,217 | 23,825 | 1,060,904 |
| 2003 | 237,336 | 615,841 | 51,943 | 2,051 | 14,118 | 1,010,141 |
| 2002 | 225,104 | 553,008 | 53,160 | 3,156 | 12,898 | 934,336 |
| 2001 | 226,671 | 272,033 | 75,722 | 1,981 | 21,226 | 762,377 |
| 2000 | 193,284 | 594,450 | 76,362 | 2,464 | 18,363 | 1,073,082 |
| 1999 | 36,000 | 489,000 | 59,800 | 3,246 | 14,200 | 738,890 |
| 1998 | 34,000 | 11,360 | 54,100 | 1,968 | 15,100 | 251,908 |
| 1997 | 29,100 | 8,400 | 39,300 | 2,130 | 13,200 | 199,996 |
| 1996 | 22,400 | 9,790 | 193,200 | 6,300 | 61,700 | 593,625 |
| 1995 | 22,000 | 3,107 | 189,800 | 10,000 | 57,910 | 571,743 |
| 1994 | — | 15,500 | 157,000 | 14,360 | 67,020 | 513,771 |
| 1993 | — | 13,400 | 153,000 | 182,800 | 67,834 | 665,356 |
| 1992 | — | 25,300 | 180,000 | 166,300 | 92,840 | 781,957 |
| 1991 | — | 25,200 | 203,800 | 146,200 | 74,837 | 723,707 |
| 1990 | — | 730 | 110,000 | 3,800 | 56,633 | 370,047 |
| 1989 | — | 730 | 110,000 | 3,800 | 44,034 | 301,394 |
| 1988 | — | — | — | — | 55,039 | 224,978 |
| 1987 | — | — | — | — | 73,037 | 1,176,155 |