Facility detail

HEMLOCK SEMICONDUCTOR OPERATIONS LLC

12334 GEDDES RD, HEMLOCK, MI, 48626

Parent company: CORNING INC

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	Chlorodifluoromethane (HCFC-22)	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Freon 113 (CFC-113)	1,1,1-Trichloroethane	Nitric acid	Total
2024	—	4,704	—	—	80	4,966
2023	—	1,008	—	—	77	1,253
2022	27,441	894	—	—	44	28,558
2021	—	4,945	—	—	24	5,139
2020	—	696	—	—	31	898
2019	296	2,373	—	—	35	2,847
2018	2,652	3,871	—	—	38	6,701
2017	4,260	2,292	—	—	39	6,709
2016	6,728	1,448	—	—	40	8,370
2015	4,454	2,664	—	—	50	7,336
2014	6,374	6,800	—	—	61	13,445
2013	4,984	2,600	—	—	46	7,775
2012	4,599	2,919	—	—	121	7,912
2011	6,512	5,104	—	—	150	12,040
2010	6,292	12,917	—	—	166	19,523
2009	5,170	5,883	—	—	175	11,340
2008	8,250	3,814	—	—	148	12,327
2007	—	1,256	—	—	129	1,490
2006	12,705	2,930	—	—	124	15,840
2005	—	1,173	—	—	103	1,350
2004	—	1,136	—	—	109	1,315
2003	—	627	—	—	1,963	2,744
2002	2,830	828	—	—	2,407	6,176
2001	7,185	852	—	—	2,071	10,198
2000	7,268	1,166	—	—	4,558	13,067
1999	15,072	1,412	—	—	6,027	22,601
1998	12,654	2,177	—	—	8,478	23,572
1997	7,425	2,323	—	—	6,382	16,489
1996	10,022	8,833	—	—	5,618	24,759
1995	7,300	9,281	—	—	4,396	21,549
1994	7,705	7,627	—	—	—	15,720
1993	—	8,064	—	8,304	150	16,741
1992	—	4,792	—	46,607	103	52,016
1991	—	13,262	19,457	14,288	59	47,334
1990	—	12,884	23,526	6,681	—	43,091
1989	—	13,859	33,124	5,150	—	52,287
1988	—	—	31,671	—	—	31,735