Facility detail

ONSEMI

23400 NE GLISAN ST, GRESHAM, OR, 97030

Parent company: SEMICONDUCTOR COMPONENTS INDUSTRIES LLC

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	Ammonia	Ozone	Hydrogen fluoride	Nitric acid	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Total
2024	50,846	11,363	7,086	2,392	1,350	73,404
2023	62,618	6,747	8,941	2,773	1,361	83,156
2022	67,798	18,154	8,887	2,446	1,714	99,701
2021	72,252	18,154	9,281	2,501	1,783	104,744
2020	75,253	18,154	10,277	2,120	10,155	116,797
2019	82,274	18,154	9,554	2,256	1,836	114,951
2018	68,419	18,154	8,892	1,930	1,639	99,835
2017	68,571	18,154	10,246	2,120	1,224	101,172
2016	1,686	—	2,509	1,998	—	10,069
2015	1,478	—	2,339	1,740	—	9,201
2014	2,518	—	1,965	1,478	—	6,961
2013	1,564	—	1,965	1,000	—	7,529
2012	500	—	1,000	1,000	—	3,500
2011	500	—	1,000	1,000	—	3,500
2010	500	—	1,000	912	—	3,281
2009	500	—	1,000	1,710	—	4,825
2008	—	—	1,000	—	—	1,000
2007	500	—	1,000	—	—	1,500
2006	500	—	1,000	—	—	1,500
2005	247	—	240	—	—	487
2004	225	—	755	—	—	980
2003	199	—	750	—	—	1,449
2002	500	—	750	—	—	1,250
2001	250	—	750	—	—	1,000
2000	—	—	250	—	—	250
1999	—	—	250	—	—	250
1998	—	—	250	—	—	250