Facility detail

VERSUM MATERIALS US LLC CATOOSA SITE

1115 W KEYSTONE AVE, CATOOSA, OK, 74015

Parent company: EMD HOLDING 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	Arsenic compounds	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Arsenic And Arsenic Compounds	Arsenic	Total
2024	35	—	—	—	35
2023	—	—	91	—	91
2022	—	—	98	—	98
2021	—	—	116	—	116
2020	190	—	—	—	190
2019	—	—	76	—	76
2018	—	—	106	—	106
2017	123	—	—	—	123
2016	131	—	—	—	131
2015	96	—	—	—	96
2014	77	—	—	—	77
2013	96	—	—	—	96
2012	90	—	—	—	90
2011	122	—	—	—	122
2010	138	—	—	—	138
2009	44	—	—	—	44
2008	121	—	—	—	121
2007	97	—	—	—	97
2006	86	—	—	—	86
2005	88	—	—	—	88
2004	96	—	—	—	96
2003	250	—	—	—	250
2002	83	—	—	—	83
2001	500	—	—	—	500
2000	—	—	—	10	10
1998	—	1,500	—	10	1,510