Facility detail

ECO SERVICES OPERATIONS CORP.

8615 MANCHESTER ST, HOUSTON, TX, 77012

Parent company: ECOVYST INC

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	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Ammonia	Chlorine	Hydrogen sulfide	Methanol	Total
2024	50,698	107	—	592	152	52,290
2023	34,579	104	—	580	153	35,908
2022	41,832	100	—	3	111	42,821
2021	36,205	100	—	3	101	37,161
2020	30,406	99	—	1	64	31,337
2019	26,304	83	—	118	2	26,595
2018	32,778	9,182	—	135	80	42,541
2017	29,811	10,982	—	130	55	41,394
2016	29,574	11,989	—	153	57	42,082
2015	35,681	11,430	—	133	70	47,651
2014	29,070	7,559	—	4,458	29	41,504
2013	27,141	4,109	—	4,366	24	35,983
2012	28,664	4,034	4,456	4,296	20	41,847
2011	38,761	8,577	4,682	—	—	52,220
2010	40,215	8,181	3,953	—	23	52,758
2009	39,433	4,225	5	—	19	43,970
2008	51,437	4,679	9	—	10	56,877
2007	28,716	4,027	—	—	8	33,716
2006	69,474	6,914	1,748	—	5	78,644
2005	69,037	6,669	4,113	—	67	80,692
2004	71,340	3,360	—	—	349	75,840
2003	47,288	—	—	—	532	48,933
2002	49,295	—	—	—	4,108	63,269
2001	48,410	—	—	—	1,031	51,983
2000	23,728	—	—	—	1,461	26,652
1999	23,816	—	—	—	265	24,763
1998	23,154	—	—	—	636	25,849
1997	19,838	—	—	—	724	23,141
1996	25,386	—	—	—	3	25,652
1995	24,814	—	—	—	2	25,153
1994	23,727	—	—	—	6	24,650
1993	25,237	—	—	—	5	26,085
1992	23,368	—	—	—	5	24,218
1991	22,053	—	—	—	5	22,208
1990	34,813	—	—	—	5	34,898
1989	34,874	—	—	—	250	37,124
1988	771,830	—	—	—	—	772,582
1987	734,212	—	—	—	—	734,463