Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
219 TOWNSEND RD, GROTON, MA, 01450
Parent company: HOLLINGSWORTH & VOSE CO
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Methanol | Ammonia | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Zinc compounds | Total |
|---|---|---|---|---|---|---|
| 2024 | — | 2,253 | — | — | 206 | 2,459 |
| 2023 | — | 2,433 | — | — | 90 | 2,638 |
| 2022 | — | 4,704 | — | — | 559 | 6,296 |
| 2021 | — | 3,037 | — | — | 6,215 | 18,182 |
| 2020 | — | 18,689 | — | — | 3,980 | 31,029 |
| 2019 | — | — | — | — | 3,800 | 11,600 |
| 2018 | — | — | 7,500 | — | 3,300 | 10,800 |
| 2017 | — | — | 7,250 | — | 3,140 | 10,390 |
| 2016 | — | — | 6,700 | — | 2,950 | 9,650 |
| 2015 | — | — | 6,000 | — | 2,700 | 8,700 |
| 2014 | — | — | 5,800 | — | 2,600 | 8,400 |
| 2013 | — | — | 6,200 | — | 2,700 | 8,900 |
| 2012 | — | — | 5,200 | — | 2,300 | 7,500 |
| 2011 | — | — | 5,500 | — | 2,400 | 7,900 |
| 2010 | — | — | 3,000 | — | 1,300 | 4,300 |
| 2009 | — | — | 2,900 | — | 1,200 | 4,100 |
| 2008 | 24,350 | — | 4,500 | — | 2,300 | 31,150 |
| 2007 | 31,420 | — | 4,500 | — | 2,300 | 38,220 |
| 2006 | 37,500 | — | 5,800 | — | 2,450 | 45,750 |
| 2005 | 32,500 | — | 5,800 | — | 2,450 | 40,750 |
| 2004 | 57,700 | — | 7,000 | — | 3,600 | 72,238 |
| 2003 | 51,660 | — | 4,800 | — | 3,000 | 59,460 |
| 2002 | 47,600 | — | 3,300 | — | 1,900 | 52,800 |
| 2001 | 46,600 | — | 3,700 | — | 2,400 | 52,700 |
| 2000 | 40,550 | — | 4,500 | — | 2,800 | 47,850 |
| 1999 | 39,600 | — | — | — | — | 39,600 |
| 1998 | 38,600 | — | — | — | — | 38,600 |
| 1997 | 27,470 | — | — | — | — | 27,470 |
| 1996 | 33,480 | — | — | — | — | 33,480 |
| 1995 | 32,480 | — | — | — | — | 32,480 |
| 1994 | 25,414 | 29,450 | — | — | — | 54,864 |
| 1993 | 26,414 | 35,450 | — | 11,000 | — | 72,864 |
| 1992 | 36,580 | 38,550 | — | 14,006 | — | 89,136 |
| 1991 | 33,720 | 49,250 | — | 18,003 | — | 100,973 |
| 1990 | 28,630 | 61,250 | — | 18,010 | — | 107,890 |
| 1989 | 64,990 | 13,020 | — | 19,035 | — | 97,045 |
| 1988 | 81,576 | 1,960 | — | 3,170 | — | 86,706 |