Facility detail

MECS INC.

1778 MONSANTO WAY, MARTINEZ, CA, 94553

Parent company: NA

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	Vanadium compounds	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Aluminum oxide (fibrous forms)	Propylene	Ethylene	Total
2024	455	234	—	—	—	700
2023	422	80	—	—	—	742
2022	508	173	—	—	—	681
2021	—	173	—	—	—	173
2020	500	45	—	—	—	545
2019	500	54	—	—	—	554
2018	500	54	—	—	—	554
2017	500	35	—	—	—	535
2016	500	11	—	—	—	511
2015	500	41	—	—	—	541
2014	500	22	—	—	—	522
2013	500	10	—	—	—	510
2012	333	18	—	—	—	351
2011	131	11	—	—	—	142
2010	108	32	—	—	—	140
2009	101	10	—	—	—	111
2008	104	17	—	—	—	121
2007	114	14	—	—	—	128
2006	107	11	—	—	—	118
2005	158	49	—	—	—	207
2004	158	87	—	—	—	245
2003	152	—	—	—	—	152
2002	153	15	—	—	—	168
2001	154	15	—	—	—	169
2000	154	24	—	—	—	178
1999	—	213	—	—	—	213
1997	—	—	—	45	30	75
1996	—	—	—	31	21	52
1995	—	—	—	28	18	46
1994	—	240	—	22	32	294
1993	—	242	—	39	27	308
1992	—	250	—	42	29	321
1991	—	500	—	39	27	566
1990	—	500	—	71	78	649
1989	—	508	—	87	95	690
1988	—	—	1,100	55	—	1,155
1987	—	250	—	—	—	250