Facility detail

SGL TECHNIC INC POLYCARBON DI V

28176 N AVE STANFORD, SANTA CLARITA, CA, 91355

Parent company: SGL CARBON LLC

Carcinogen — EPA classifications across all reporting years

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Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

Top chemical totals

The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.

Full release table

Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.

All values in pounds (lbs)
Year	Tetrachloroethylene	1,1,1-Trichloroethane	Nitric acid	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Total (lbs)
2024	—	—	74	—	74
2023	—	—	56	—	56
2022	—	—	77	—	77
2021	—	—	86	—	86
2020	—	—	57	—	57
2019	—	—	73	—	73
2018	—	—	86	—	86
2017	—	—	92	—	92
2016	—	—	81	28	109
2015	—	—	91	29	120
2014	—	—	117	—	117
2013	—	—	84	14	98
2012	—	—	99	11	110
2011	—	—	131	—	131
2010	—	—	113	—	113
2009	—	—	250	—	250
2008	—	—	250	—	250
2007	—	—	250	—	250
2006	—	—	500	—	500
2005	—	—	251	—	251
2004	—	—	250	—	250
2003	—	—	500	—	500
2002	—	—	250	—	250
2001	—	—	250	—	250
2000	—	—	250	—	250
1999	—	—	250	—	250
1998	—	—	5	—	5
1997	3,345	—	—	—	3,345
1996	89,386	—	—	—	89,386
1995	162,656	—	—	—	162,656
1993	56,988	75,908	—	—	132,896
1992	40,693	152,623	—	—	193,316
1991	33,078	109,252	—	—	142,330
1990	15,483	96,597	—	—	112,080
1989	241,367	145,856	—	—	387,223
1988	70,050	121,110	—	—	191,160
1987	17,167	—	—	—	17,167

▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.