Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ENSIGN-BICKFORD AEROSPACE & DEFENSE CO
640 HOPMEADOW ST, SIMSBURY, CT, 06070
Parent company: ENSIGN-BICKFORD INDUSTRIES 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 | 1,1,1-Trichloroethane | Freon 113 (CFC-113) | Lead | Lead compounds | Lead And Lead Compounds | Total (lbs) |
| 2024 | — | — | — | — | 0 | 0 |
| 2023 | — | — | — | — | 0 | 0 |
| 2022 | — | — | — | 0 | — | 0 |
| 2021 | — | — | — | 0 | — | 0 |
| 2020 | — | — | — | — | 1 | 1 |
| 2019 | — | — | — | — | 2 | 2 |
| 2018 | — | — | — | — | 0 | 0 |
| 2017 | — | — | — | 1 | — | 1 |
| 2016 | — | — | — | 0 | — | 0 |
| 2015 | — | — | — | 3 | — | 3 |
| 2014 | — | — | — | 4 | — | 4 |
| 2013 | — | — | — | 2 | — | 2 |
| 2012 | — | — | — | 7 | — | 7 |
| 2011 | — | — | — | 1 | — | 1 |
| 2010 | — | — | — | 3 | — | 3 |
| 2009 | — | — | — | 1 | — | 1 |
| 2008 | — | — | — | 2 | — | 2 |
| 2007 | — | — | — | 18 | — | 18 |
| 2006 | — | — | — | 3 | — | 3 |
| 2005 | — | — | — | 5 | — | 5 |
| 2004 | — | — | — | 1 | — | 1 |
| 2003 | — | — | — | 10 | — | 10 |
| 1992 | 6,900 | 10,000 | — | 255 | — | 17,155 |
| 1991 | 750 | 15,000 | — | 10 | — | 15,760 |
| 1990 | 27,000 | 5,400 | — | 500 | — | 32,900 |
| 1989 | 17,750 | 10,000 | 500 | — | — | 28,250 |
| 1988 | 3,000 | 16,150 | 500 | — | — | 19,650 |
| 1987 | 17,500 | — | — | — | — | 17,500 |
▎ 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.