Facility detail

INDUPLATE LLC.

1 GREYSTONE DR, NORTH PROVIDENCE, RI, 02911

Parent company: GREYSTONE INC

Carcinogen PBT — 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	1,1,1-Trichloroethane	Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)	Tetrachloroethylene	Nitric acid	Chromium compounds (except for chromite ore mined in the Transvaal Region)	Total (lbs)
2024	—	—	—	500	—	501
2023	—	—	—	500	—	501
2022	—	—	—	500	—	500
2021	—	—	—	500	—	501
2020	—	—	—	500	—	501
2019	—	—	—	500	—	501
2018	—	—	—	500	—	501
2017	—	—	—	500	—	501
2016	—	—	—	500	—	503
2015	—	—	—	500	—	501
2014	—	—	—	500	—	501
2013	—	—	—	500	—	503
2012	—	—	—	500	—	502
2011	—	—	—	500	—	501
2010	—	—	—	500	—	501
2009	—	—	—	500	—	502
2008	—	—	—	500	—	501
2007	—	—	—	500	—	501
2006	—	—	—	500	—	500
2005	—	—	—	500	—	500
2004	—	—	—	500	—	500
2003	—	—	—	500	—	500
2002	—	—	—	—	—	0
2001	—	—	—	500	—	500
2000	—	—	—	500	—	500
1997	—	—	—	500	—	500
1996	—	—	—	500	—	500
1995	—	—	—	500	—	500
1994	—	500	—	500	—	1,500
1993	—	500	—	—	—	1,000
1992	24,500	500	—	—	—	25,500
1991	15,000	3,250	—	500	—	19,500
1990	20,000	3,250	—	500	—	24,500
1989	50,000	8,250	750	500	—	60,215
1988	55,179	17,500	12,659	—	12,539	107,577
1987	—	—	12,706	—	—	12,706

▎ 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.