Facility detail

WESTLAKE US 2 LLC

1300 PPG DR, WESTLAKE, LA, 70669

Parent company: WESTLAKE CORP

Carcinogen PBT — EPA classifications across all reporting years

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Year-over-year total releases

Reported on-site TRI releases in pounds, grouped by reporting year.

Top chemical totals

The 10 chemicals with the highest cumulative on-site releases 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.

Year	Chlorine	Ammonia	1,2-Dichloroethane	1,1,1-Trichloroethane	Tetrachloroethylene	Total
2024	52,400	53,000	21,620	32,000	45,006	464,441
2023	53,700	36,600	40,009	32,600	47,000	409,101
2022	59,500	66,000	92,140	33,960	49,068	668,138
2021	57,800	65,700	33,020	33,940	51,270	486,240
2020	53,200	74,300	29,400	38,800	46,720	489,935
2019	61,900	63,600	22,604	31,312	47,019	410,770
2018	61,000	53,100	25,820	35,552	67,001	439,944
2017	57,000	64,200	26,016	35,441	65,003	499,331
2016	51,600	77,200	25,320	31,370	66,071	466,639
2015	57,800	72,800	27,218	27,500	64,000	415,600
2014	43,600	94,400	31,400	30,300	62,002	418,252
2013	27,100	110,000	38,059	30,600	67,020	662,045
2012	29,700	114,000	66,800	36,500	62,005	600,938
2011	25,070	120,000	42,605	34,700	59,400	536,304
2010	15,100	104,600	112,002	34,800	42,000	600,972
2009	14,000	98,900	57,001	31,303	38,120	433,842
2008	15,900	93,500	29,329	33,920	33,000	415,717
2007	17,500	64,200	20,800	30,751	32,000	479,834
2006	28,600	86,500	25,172	35,047	62,003	576,701
2005	30,900	121,340	24,590	32,734	42,016	601,494
2004	35,600	112,230	26,169	24,587	38,010	577,525
2003	34,370	83,240	24,900	48,010	43,003	439,591
2002	33,860	143,390	27,992	124,039	36,000	563,405
2001	31,010	200,570	19,105	102,000	31,934	620,222
2000	28,900	181,400	20,160	97,004	35,086	621,587
1999	42,300	180,600	27,250	110,000	35,008	695,306
1998	52,000	100,350	27,553	127,005	35,122	629,789
1997	47,000	56,880	42,187	77,003	27,894	546,705
1996	58,100	37,000	37,406	99,014	40,014	554,674
1995	31,800	30,100	28,361	125,000	41,740	510,342
1994	54,900	39,000	22,852	119,015	31,000	556,906
1993	72,600	370,000	176,849	180,046	114,053	1,354,849
1992	98,000	670,000	262,753	124,010	102,312	1,904,916
1991	67,669	302,580	294,668	133,505	157,045	1,710,085
1990	66,466	292,852	331,542	179,418	250,460	2,160,871
1989	215,000	170,000	411,807	184,487	174,196	2,466,717
1988	3,370,560	—	508,356	202,197	260,178	4,746,927
1987	—	—	—	—	—	8,437