Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TTM PRINTED CIRCUIT GROUP - STAFFORD DIV
4 OLD MONSON RD, STAFFORD, CT, 06075
Parent company: TTM TECHNOLOGIES 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 | Dichloromethane | Certain glycol ethers | 1,1,1-Trichloroethane | Ammonia | Nitric acid | Total (lbs) |
| 2024 | — | — | — | — | — | 13 |
| 2023 | — | 896 | — | — | 12 | 920 |
| 2022 | — | 269 | — | — | 6 | 304 |
| 2021 | — | 856 | — | — | 24 | 901 |
| 2020 | — | 866 | — | — | 23 | 910 |
| 2019 | — | 10 | — | — | 146 | 171 |
| 2018 | — | 11 | — | — | 255 | 278 |
| 2017 | — | 7,083 | — | — | 332 | 7,426 |
| 2016 | — | 6,738 | — | — | 279 | 7,024 |
| 2015 | — | 7,029 | — | — | 279 | 7,318 |
| 2014 | — | 4,992 | — | — | 308 | 5,311 |
| 2013 | — | 7,910 | — | — | 281 | 8,201 |
| 2012 | — | 7,328 | — | — | 5 | 7,342 |
| 2011 | — | 7,901 | — | — | 5 | 7,917 |
| 2010 | — | 6,735 | — | — | 5 | 6,750 |
| 2009 | — | 6,806 | — | — | 5 | 6,821 |
| 2008 | — | 6,807 | — | — | 5 | 6,818 |
| 2007 | — | 6,805 | — | — | 5 | 6,818 |
| 2006 | — | 6,814 | — | — | — | 6,856 |
| 2005 | — | 5,740 | — | — | — | 5,783 |
| 2004 | — | 1 | — | — | — | 53 |
| 2003 | — | — | — | — | — | 86 |
| 2002 | — | — | — | — | 15 | 67 |
| 2001 | — | — | — | — | 5 | 12 |
| 2000 | — | 2,010 | — | — | 500 | 2,520 |
| 1999 | — | — | — | 260 | 100 | 395 |
| 1998 | — | — | — | 260 | 41 | 341 |
| 1997 | — | — | — | 300 | 41 | 417 |
| 1996 | — | — | — | 290 | 41 | 402 |
| 1995 | — | — | — | 280 | 41 | 379 |
| 1994 | — | — | — | 250 | 30 | 335 |
| 1993 | — | — | — | 300 | 60 | 415 |
| 1992 | — | — | — | 580 | — | 660 |
| 1991 | — | — | — | 120 | — | 215 |
| 1990 | — | — | — | 500 | — | 1,030 |
| 1989 | 118,000 | — | 13,200 | 250 | — | 131,700 |
| 1988 | 136,000 | — | 18,000 | — | — | 154,000 |
| 1987 | — | — | 46,808 | — | — | 46,808 |
▎ 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.