Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TRECORA HYDROCARBONS LLC
7752 FM 418, SILSBEE, TX, 77656
Parent company: TRECORA LLC
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | n-Hexane | Benzene | Toluene | Styrene | Cyclohexane | Total (lbs) |
| 2024 | 4,036 | 1,571 | 1,191 | — | 1,159 | 8,659 |
| 2023 | 5,037 | 1,712 | 1,176 | — | 1,510 | 10,097 |
| 2022 | 5,162 | 2,062 | 1,373 | — | 1,514 | 10,846 |
| 2021 | 4,640 | 1,616 | 1,364 | — | 1,382 | 9,744 |
| 2020 | 5,299 | 1,888 | 1,436 | — | 1,505 | 10,897 |
| 2019 | 2,571 | 1,432 | 1,158 | — | 885 | 7,198 |
| 2018 | 2,110 | 1,577 | 1,374 | — | 744 | 7,140 |
| 2017 | 2,085 | 1,392 | 1,187 | — | 834 | 6,684 |
| 2016 | 2,216 | 1,457 | 1,205 | — | 872 | 7,057 |
| 2015 | 2,602 | 1,753 | 1,548 | — | 884 | 8,136 |
| 2014 | 1,722 | 453 | 126 | — | 854 | 3,900 |
| 2013 | 1,645 | 469 | 125 | — | 838 | 3,808 |
| 2012 | 1,655 | 466 | 100 | — | 841 | 3,950 |
| 2011 | 1,621 | 472 | 110 | — | 835 | 3,584 |
| 2010 | 1,379 | 500 | 126 | — | 1,022 | 3,576 |
| 2009 | 1,417 | 500 | 123 | — | 830 | 3,408 |
| 2008 | 2,180 | 500 | 157 | — | 674 | 4,299 |
| 2007 | 2,233 | 500 | 134 | — | 664 | 4,107 |
| 2006 | 1,500 | 500 | 500 | — | 500 | 3,765 |
| 2005 | 1,500 | 500 | 500 | — | 500 | 3,520 |
| 2004 | 1,000 | 500 | 500 | — | 500 | 4,510 |
| 2003 | 1,500 | 500 | 255 | — | 500 | 4,765 |
| 2002 | 1,500 | 500 | 500 | — | 500 | 4,020 |
| 2001 | 1,500 | 500 | 500 | — | 500 | 4,540 |
| 2000 | 500 | 500 | 500 | — | 500 | 3,030 |
| 1999 | 500 | 500 | 255 | — | 500 | 2,275 |
| 1998 | 2,750 | 500 | 500 | — | 500 | 4,545 |
| 1997 | 3,750 | 500 | 500 | — | 500 | 6,520 |
| 1996 | 5,050 | 500 | 500 | — | 1,000 | 9,335 |
| 1995 | 6,450 | 500 | 500 | — | 1,000 | 9,735 |
| 1994 | — | 1,000 | 500 | — | 1,000 | 4,000 |
| 1993 | — | 1,000 | 500 | — | 1,000 | 4,510 |
| 1992 | — | 3,350 | 3,350 | 2,350 | 500 | 13,630 |
| 1991 | — | 4,950 | 5,750 | 4,650 | 1,500 | 21,010 |
| 1990 | — | 12,750 | 11,250 | 15,700 | 2,450 | 63,010 |
| 1989 | — | 11,250 | 11,250 | 15,700 | 1,850 | 47,250 |
| 1988 | — | 8,968 | 12,048 | 14,202 | — | 51,413 |
| 1987 | — | 6,000 | — | — | 3,600 | 9,850 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.