Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DYNO NOBEL INC
660 HOPMEADOW ST, SIMSBURY, CT, 06070
Parent company: DYNO NOBEL INC
Carcinogen
PBT
— EPA classifications across all reporting years
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) | 1,1,1-Trichloroethane | Lead compounds | Lead | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Total (lbs) |
| 2024 | — | — | — | — | 0 | 2 |
| 2023 | — | — | — | — | 0 | 3 |
| 2022 | — | — | — | — | 0 | 2 |
| 2021 | — | — | — | — | — | 3 |
| 2020 | — | — | — | — | 0 | 3 |
| 2019 | — | — | — | — | — | 3 |
| 2018 | — | — | — | — | 1 | 4 |
| 2017 | — | — | 3 | — | 1 | 3 |
| 2016 | — | — | 2 | — | — | 2 |
| 2015 | — | — | 4 | — | 1 | 5 |
| 2014 | — | — | 8 | — | 1 | 8 |
| 2013 | — | — | 4 | — | 1 | 4 |
| 2012 | — | — | 3 | — | 0 | 3 |
| 2011 | — | — | 3 | — | 1 | 4 |
| 2010 | — | — | 7 | — | 1 | 10 |
| 2009 | — | — | 6 | — | 2 | 8 |
| 2008 | — | — | 19 | — | 1 | 21 |
| 2007 | — | — | 24 | — | 3 | 29 |
| 2006 | — | — | 9 | — | 3 | 14 |
| 2005 | — | — | 12 | — | 3 | 17 |
| 2004 | — | — | 8 | — | — | 9 |
| 2003 | — | — | 40 | — | — | 40 |
| 2002 | — | — | 40 | — | — | 40 |
| 2001 | — | — | 11 | — | — | 16 |
| 2000 | — | — | 7 | — | — | 7 |
| 1999 | — | — | 17 | — | — | 17 |
| 1998 | — | — | 59 | — | — | 59 |
| 1997 | — | — | 17 | — | — | 17 |
| 1996 | — | — | 78 | — | — | 78 |
| 1995 | 14,087 | — | 32 | — | — | 14,119 |
| 1994 | 15,210 | — | 277 | — | — | 15,487 |
| 1993 | 12,260 | — | 760 | — | — | 13,020 |
| 1992 | 11,200 | 2,080 | 1,005 | — | — | 14,285 |
| 1991 | 5,500 | 9,500 | 500 | — | — | 15,500 |
| 1990 | 4,500 | 9,100 | 500 | — | — | 14,100 |
| 1989 | 4,550 | 11,800 | — | 1,500 | — | 17,850 |
| 1988 | 4,300 | — | — | — | — | 4,300 |
▎ 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.