Facility detail

WESTLAKE PETROCHEMICALS ETHYLENE

900 E HIGHWAY 108, SULPHUR, LA, 70665

Parent company: WESTLAKE CHEMICAL CORP

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	Ethylene	Propylene	Benzene	1,3-Butadiene	Styrene	Total
2024	108,992	36,652	71,390	10,270	10,453	275,655
2023	104,998	39,278	13,705	8,183	8,149	213,338
2022	95,339	42,138	9,948	8,995	7,026	188,258
2021	108,664	55,555	9,926	9,149	7,439	212,808
2020	91,715	52,669	8,871	7,904	7,519	189,906
2019	93,113	61,431	9,290	9,232	8,052	207,167
2018	119,533	66,544	10,068	11,343	7,114	233,536
2017	128,621	61,563	9,416	9,419	7,320	233,822
2016	120,438	31,313	11,563	5,046	7,024	202,762
2015	71,287	32,784	13,799	8,269	7,501	153,042
2014	142,384	76,996	16,777	11,962	6,477	265,343
2013	93,829	88,374	13,673	10,891	25,864	241,708
2012	126,728	377,410	15,823	10,434	6,048	545,972
2011	121,661	378,199	11,136	10,208	7,174	536,886
2010	179,070	178,419	14,695	15,357	7,367	403,518
2009	123,400	18,981	12,419	10,091	7,120	181,618
2008	122,383	19,524	14,049	10,160	7,758	186,488
2007	133,872	20,099	11,658	12,116	6,836	191,403
2006	180,901	21,665	9,193	13,023	5,030	234,453
2005	128,388	17,176	9,880	10,688	5,026	176,105
2004	204,299	29,645	10,751	12,460	5,294	267,954
2003	249,816	26,777	11,827	13,627	5,091	314,364
2002	556,420	39,127	11,848	24,703	5,359	644,075
2001	132,451	17,177	14,455	11,865	4,804	188,556
2000	68,630	14,249	17,205	11,088	7,749	125,511
1999	83,030	2,727	7,235	2,488	6,912	108,247
1998	48,359	3,032	8,425	3,509	6,265	74,594
1997	8,626	2,609	3,835	3,588	6,325	29,100
1996	14,859	710	903	330	7,481	27,928
1995	17,311	711	3,262	53	8,010	33,131
1994	3,033	45	8,424	296	4,752	21,596
1993	9,705	314	13,810	336	12,410	42,573
1992	32,298	1,262	8,885	1,116	17,364	83,967
1991	7,990	1,648	1,293	2,346	41	23,149