Facility detail

GENTEX OPTICS INC

183 W MAIN ST, DUDLEY, MA, 01571

Parent company: ESSILORLUXOTTICA USA INC.

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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	Freon 113 (CFC-113)	Methanol	Total (lbs)
2024	—	2,492	2,492
2023	—	2,187	2,187
2022	—	2,577	2,577
2021	—	3,092	3,092
2020	—	2,648	2,648
2019	—	3,154	3,154
2018	—	2,946	2,946
2017	—	1,750	1,750
2016	—	1,385	1,385
2015	—	1,316	1,316
2014	—	1,334	1,334
2013	—	1,838	1,838
2012	—	2,593	2,593
2011	—	3,072	3,072
2010	—	2,901	2,901
2009	—	2,001	2,001
2008	—	1,895	1,895
2007	—	3,050	3,050
2006	—	3,350	3,350
2005	—	2,850	2,850
2004	—	2,057	2,057
2003	—	3,080	3,080
2002	—	2,493	2,493
2001	—	1,539	1,539
2000	—	1,806	1,806
1999	—	1,241	1,241
1998	—	1,140	1,140
1997	—	9,666	9,666
1996	—	11,900	11,900
1994	22,149	—	22,149
1993	30,400	—	30,400
1992	52,472	—	52,472
1991	100,740	—	100,740
1990	106,740	—	106,740
1989	96,000	—	96,000
1988	80,000	—	80,000

▎ 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.