Facility detail

WESTLAKE CHEMICALS & VINYLS LLC

715 HWY 25 S, ABERDEEN, MS, 39730

Parent company: WESTLAKE CORP

Carcinogen PBT — 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	Vinyl chloride	Nitrate compounds (water dissociable; reportable only when in aqueous solution)	Chlorine	Phthalic anhydride	Methanol	Total
2024	8,514	—	22	509	6,902	16,536
2023	8,623	—	20	542	3,988	13,757
2022	70,077	—	373	332	1,825	73,180
2021	4,779	—	1,919	3,352	2,431	14,158
2020	8,727	—	1,944	3,352	2,431	18,036
2019	9,619	—	1,954	3,352	2,431	18,936
2018	11,204	—	1,963	3,352	2,431	20,337
2017	9,286	—	1,938	3,352	2,431	18,394
2016	9,902	—	1,955	3,352	2,431	19,027
2015	10,292	—	1,941	3,352	1,825	18,797
2014	16,784	—	1,946	3,352	1,825	25,294
2013	19,118	—	1,629	3,270	2,065	28,418
2012	23,959	—	1,628	5,626	—	33,559
2011	18,492	—	1,626	5,626	—	28,090
2010	19,100	—	1,618	5,626	—	28,690
2009	25,023	—	1,623	5,626	—	34,618
2008	17,575	—	4,412	5,626	—	28,491
2007	52,326	—	4,404	867	—	58,473
2006	24,080	—	4,405	867	—	30,228
2005	30,645	—	4,403	867	—	36,791
2004	38,110	—	4,408	867	2,673	46,944
2003	30,272	—	4,334	867	4,624	40,974
2002	28,069	—	4,329	363	1,520	35,165
2001	27,896	—	3,959	363	1,520	34,547
2000	29,170	—	4,284	400	520	35,248
1999	36,772	25,086	19,025	400	525	82,763
1998	14,025	61,972	9,799	400	525	87,596
1997	18,429	54,225	8,803	400	525	83,092
1996	31,236	9,296	9,186	400	525	51,234
1995	39,945	—	8,701	400	510	50,203
1994	39,284	—	3,989	200	510	44,427
1993	42,675	—	2,736	—	755	46,475
1992	30,102	—	—	—	755	31,196
1991	30,871	—	—	—	755	31,949
1990	64,005	—	—	—	755	65,089
1989	76,218	—	—	—	500	77,356
1988	76,562	—	—	—	250	76,812
1987	—	—	500	—	—	500