Facility detail

MEMC LLC

501 PEARL DR, SAINT PETERS, MO, 63376

Parent company: NA

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	1,1,1-Trichloroethane	Freon 113 (CFC-113)	Ammonia	Trichloroethylene	Dichloromethane	Total
2024	—	—	—	—	—	1,607
2023	—	—	—	—	—	2,191
2022	—	—	—	—	—	2,077
2021	—	—	—	—	—	1,161
2020	—	—	—	—	—	950
2019	—	—	—	—	—	353
2018	—	—	—	—	—	725
2017	—	—	—	—	—	681
2016	—	—	—	—	—	715
2015	—	—	—	—	—	477
2014	—	—	—	—	—	537
2013	—	—	—	—	—	262
2012	—	—	—	—	—	313
2011	—	—	—	—	—	2,808
2010	—	—	—	—	—	2,283
2009	—	—	—	—	—	3,553
2008	—	—	—	—	—	5,009
2007	—	—	10,769	—	—	19,600
2006	—	—	10,769	—	—	17,915
2005	—	—	9,662	—	—	22,032
2004	—	—	10,118	—	—	21,586
2003	—	—	7,782	—	—	13,324
2002	—	—	7,786	—	—	13,673
2001	—	—	—	—	—	5,974
2000	—	—	7,800	—	—	10,840
1999	—	—	41,000	—	—	42,611
1998	—	—	30,221	—	—	32,063
1997	—	—	45,000	—	—	47,064
1996	—	—	43,000	—	—	45,181
1995	—	—	—	—	—	2,229
1994	—	—	—	—	—	2,553
1993	—	9,900	11,000	—	—	24,062
1992	217,300	93,500	13,000	44,200	25,200	395,188
1991	241,000	102,000	—	67,250	29,500	442,380
1990	221,000	108,011	1,800	68,320	33,300	434,993
1989	200,940	110,640	2,000	45,210	21,000	382,835
1988	170,610	110,940	—	—	—	283,760
1987	130,750	82,100	—	—	14,250	229,250