Facility detail

TRECORA HYDROCARBONS LLC

7752 FM 418, SILSBEE, TX, 77656

Parent company: TRECORA LLC

Carcinogen — EPA classifications across all reporting years

Year-over-year total releases

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	n-Hexane	Benzene	Toluene	Styrene	Cyclohexane	Total
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