Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KEY POLYMER
17 SHEPARD ST LAWRENCE INDUSTRIAL PARK, LAWRENCE, MA, 01843
Parent company: NA
Carcinogen
— 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 | 1,1,1-Trichloroethane | Xylene (mixed isomers) | Ammonia | Toluene | Total (lbs) |
| 2023 | — | — | 502 | — | — | 502 |
| 2022 | — | — | — | — | — | 235 |
| 2021 | — | — | — | — | — | 30 |
| 2020 | — | — | — | — | — | 58 |
| 2019 | — | — | — | — | — | 52 |
| 2018 | — | — | — | — | — | 37 |
| 2017 | — | — | — | — | — | 49 |
| 2016 | — | — | — | — | — | 54 |
| 2015 | — | — | — | — | — | 37 |
| 2014 | 74 | — | — | — | — | 120 |
| 2013 | 57 | — | — | — | — | 91 |
| 2012 | 103 | — | — | — | — | 103 |
| 2011 | 68 | — | — | — | — | 116 |
| 2010 | 75 | — | — | — | — | 102 |
| 2009 | 76 | — | — | — | 91 | 244 |
| 2008 | 90 | — | — | — | 202 | 345 |
| 2007 | 67 | — | — | — | 235 | 325 |
| 2006 | 116 | — | — | — | 160 | 326 |
| 2005 | 48 | — | — | — | 135 | 204 |
| 2004 | — | — | — | — | 112 | 130 |
| 2003 | — | — | — | — | 78 | 95 |
| 2002 | — | — | — | — | 64 | 64 |
| 2001 | — | — | — | — | 68 | 68 |
| 2000 | — | — | — | — | 59 | 59 |
| 1999 | — | — | — | — | 36 | 36 |
| 1997 | — | — | — | — | 250 | 250 |
| 1995 | 500 | — | — | 750 | — | 1,515 |
| 1994 | 500 | — | — | 750 | — | 1,515 |
| 1993 | 440 | — | — | 250 | — | 695 |
| 1992 | 1,560 | — | 2,175 | 34 | — | 3,770 |
| 1991 | 940 | 1,951 | 2,405 | — | — | 5,297 |
| 1990 | 2,630 | 2,466 | — | — | — | 5,101 |
| 1989 | 5,100 | 5,500 | 4,150 | — | — | 15,000 |
| 1988 | 7,630 | — | — | — | — | 7,630 |
| 1987 | 9,000 | — | — | — | — | 9,000 |
▎ 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.