Facility detail

HYTEK FINISHES CO

8127 S 216TH ST, KENT, WA, 98032

Parent company: TRANSDIGM INC

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	Methyl ethyl ketone	1,1,1-Trichloroethane	1-Bromopropane	Trichloroethylene	Sodium hydroxide (solution)	Total (lbs)
2024	—	—	—	—	—	10
2023	—	—	—	—	—	10
2022	—	—	—	—	—	10
2021	—	—	—	—	—	10
2020	—	—	—	—	—	10
2019	—	—	12,214	—	—	12,229
2018	—	—	6,127	—	—	6,141
2017	—	—	9,320	—	—	9,330
2016	—	—	9,216	—	—	9,229
2015	—	—	—	—	—	15
2014	—	—	—	—	—	10
2013	—	—	—	—	—	10
2012	—	—	—	—	—	10
2011	—	—	—	—	—	10
2010	—	—	—	—	—	10
2009	—	—	—	—	—	10
2008	—	—	—	—	—	10
2007	—	—	—	—	—	10
2006	—	—	—	—	—	10
2005	—	—	—	—	—	10
2004	—	—	—	—	—	10
2003	—	—	—	—	—	10
2002	—	—	—	—	—	10
2001	—	—	—	—	—	11
2000	—	—	—	—	—	11
1999	10,000	—	—	—	—	10,010
1998	12,200	—	—	—	—	12,210
1997	14,900	—	—	—	—	14,911
1996	12,800	—	—	—	—	12,811
1995	11,000	—	—	—	—	11,011
1994	24,005	—	—	—	—	24,025
1993	25,005	5,005	—	—	—	30,040
1992	28,005	15,005	—	—	—	43,040
1991	9,005	14,005	—	—	—	23,040
1990	23,615	54,505	—	—	—	78,150
1989	13,426	45,400	—	5,616	—	64,442
1988	29,450	—	—	—	480	29,930
1987	34,450	—	—	7,006	—	41,456

▎ 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.