Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
4133 HWY 361, GREGORY, TX, 78359
Parent company: OCCIDENTAL PETROLEUM CORP
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 | Ethylene | 1,2-Dichloroethane | Carbon tetrachloride | Propylene | Vinyl chloride | Total |
|---|---|---|---|---|---|---|
| 2024 | 71,454 | 10,827 | 27 | 14,400 | 10,008 | 134,237 |
| 2023 | 60,897 | 14,814 | 36 | 14,949 | 11,856 | 157,947 |
| 2022 | 77,528 | 15,280 | 35 | 12,107 | 12,351 | 142,744 |
| 2021 | 52,525 | 17,765 | 37 | 13,272 | 15,008 | 119,578 |
| 2020 | 35,215 | 12,506 | 33 | 13,608 | 16,965 | 114,026 |
| 2019 | 26,591 | 14,762 | 39 | 26,396 | 20,952 | 105,194 |
| 2018 | 42,751 | 12,583 | 28 | 15,872 | 19,582 | 132,756 |
| 2017 | 71,723 | 15,489 | 30 | 14,508 | 19,298 | 146,708 |
| 2016 | 12,337 | 18,061 | 35 | 12,456 | 23,969 | 75,279 |
| 2015 | 3,613 | 11,850 | 26 | 10,150 | 15,785 | 61,577 |
| 2014 | 4,263 | 10,859 | 23 | 4,150 | 4,438 | 46,417 |
| 2013 | 3,894 | 9,553 | 25 | 4,100 | 4,144 | 48,526 |
| 2012 | 4,003 | 8,105 | 16 | — | 4,202 | 21,995 |
| 2011 | 3,212 | 6,790 | 16 | 3,674 | 11,471 | 46,530 |
| 2010 | 4,517 | 7,355 | 15 | 5,675 | 3,060 | 27,896 |
| 2009 | 7,188 | 5,324 | 11 | 2,917 | 5,649 | 28,182 |
| 2008 | 7,416 | 7,581 | 11 | 4,438 | 4,113 | 30,063 |
| 2007 | 5,869 | 9,646 | 15 | 5,275 | 5,109 | 49,662 |
| 2006 | 7,127 | 8,905 | 14 | 5,804 | 4,850 | 55,914 |
| 2005 | 4,054 | 3,603 | 13 | 2,960 | 921 | 23,682 |
| 2004 | 3,031 | 3,233 | 13 | 1,165 | 1,118 | 21,233 |
| 2003 | 14,080 | 8,615 | 21 | 1,626 | 2,664 | 36,506 |
| 2002 | 2,253 | 7,894 | 214 | 1,111 | 3,144 | 27,196 |
| 2001 | 1,661 | 8,060 | 112 | 618 | 2,075 | 60,218 |
| 2000 | 7,912 | 20,370 | 8,395 | 1,866 | 2,005 | 73,601 |
| 1999 | 9,535 | 19,608 | 8,125 | 1,931 | 2,274 | 53,633 |
| 1998 | 7,799 | 20,820 | 8,120 | 1,905 | 3,854 | 70,535 |
| 1997 | 6,222 | 15,225 | 8,111 | 1,830 | 1,620 | 59,202 |
| 1996 | 5,200 | 18,100 | 8,137 | 1,020 | 1,030 | 62,598 |
| 1995 | 7,120 | 17,319 | 18,410 | 11,300 | 130 | 73,344 |
| 1994 | 11,500 | 23,524 | 59,700 | 21,600 | 35 | 158,708 |
| 1993 | 17,722 | 26,309 | 86,022 | 21,600 | 148 | 180,851 |
| 1992 | 145 | 25,252 | 85,962 | 21,600 | 753 | 169,757 |
| 1991 | 16,178 | 32,465 | 91,752 | 21,598 | 4,685 | 213,426 |
| 1990 | 2,334 | 7,786 | 10,258 | 473 | — | 43,980 |
| 1989 | 1,172 | 4,937 | 10,564 | — | — | 26,243 |
| 1988 | — | — | — | — | — | 2,232 |