Facility detail

SUPERIOR PLATING CO

LACEY PL, SOUTHPORT, CT, 06890

Parent company: NA

PBT — 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	Phosphoric acid	Chromium compounds (except for chromite ore mined in the Transvaal Region)	Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Sodium hydroxide (solution)	Nitric acid	Total
2024	—	—	—	—	—	1
2023	—	—	—	—	10	11
2022	—	—	—	—	10	16
2021	—	—	—	—	10	17
2020	—	—	—	—	10	16
2019	—	—	—	—	10	18
2018	—	—	—	—	10	18
2017	—	—	—	—	10	16
2016	—	—	—	—	10	16
2015	—	—	—	—	10	17
2014	—	—	—	—	10	19
2013	—	17	—	—	10	34
2012	—	17	—	—	10	33
2011	—	—	—	—	10	22
2010	—	—	—	—	10	22
2009	—	17	—	—	10	38
2008	—	17	—	—	10	37
2007	—	—	—	—	10	18
2006	—	17	—	—	10	51
2005	—	—	—	—	10	17
2004	—	—	—	—	10	26
2003	—	—	—	—	10	35
2002	—	18	—	—	10	52
2001	—	18	—	—	10	45
2000	—	18	—	—	10	77
1999	—	21	—	—	10	41
1998	10	51	—	—	10	83
1997	10	64	—	—	—	74
1996	10	46	—	—	10	81
1995	10	15	—	—	10	60
1994	10	10	10	—	10	55
1993	10	10	10	—	10	40
1992	10	10	10	—	—	30
1991	10	10	10	—	—	30
1990	10	10	10	—	10	40
1989	500	500	500	—	500	2,000
1988	500	500	500	500	—	2,000
1987	500	—	—	500	—	1,000