Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
49 SUMNER ST, MILFORD, MA, 01757
Parent company: BERKSHIRE HATHAWAY INC
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 | Xylene (mixed isomers) | Zinc compounds | Ethylbenzene | 1,2,4-Trimethylbenzene | Ethylene glycol | Total |
|---|---|---|---|---|---|---|
| 2024 | — | 94 | — | — | — | 124 |
| 2023 | 50 | 64 | — | — | — | 142 |
| 2022 | 56 | 72 | — | — | — | 164 |
| 2021 | 51 | 69 | — | — | — | 159 |
| 2020 | 59 | 97 | 55 | — | — | 252 |
| 2019 | 53 | 67 | 45 | — | — | 168 |
| 2018 | 53 | 60 | 43 | — | — | 159 |
| 2017 | 84 | 57 | — | — | — | 141 |
| 2016 | 85 | 66 | 106 | — | — | 259 |
| 2015 | 90 | 71 | 107 | — | — | 271 |
| 2014 | 97 | 64 | 114 | — | — | 281 |
| 2013 | 99 | 70 | — | — | — | 169 |
| 2012 | 106 | 71 | 128 | — | — | 305 |
| 2011 | 98 | 71 | 122 | — | — | 290 |
| 2010 | 107 | 125 | 141 | — | — | 377 |
| 2009 | 98 | 93 | 116 | — | — | 307 |
| 2008 | 100 | 217 | 105 | — | — | 422 |
| 2005 | 500 | 250 | 500 | — | — | 1,250 |
| 2004 | 500 | 250 | 500 | — | — | 1,250 |
| 2003 | 255 | 250 | 255 | — | — | 760 |
| 2002 | 500 | 250 | 500 | 500 | — | 1,750 |
| 2001 | 500 | 250 | 500 | 255 | 255 | 1,760 |
| 2000 | 500 | 250 | 500 | — | — | 1,250 |
| 1999 | 500 | 250 | — | — | — | 750 |
| 1998 | 153 | 196 | — | — | — | 349 |
| 1997 | 153 | 184 | — | — | — | 337 |
| 1996 | 148 | 170 | — | — | — | 318 |
| 1995 | 150 | 197 | — | — | 16 | 381 |
| 1994 | 151 | 205 | — | 176 | 35 | 585 |
| 1993 | 141 | 208 | — | 169 | 23 | 562 |
| 1992 | 140 | 144 | — | 169 | 20 | 493 |
| 1991 | 163 | 220 | — | 68 | 364 | 953 |
| 1990 | — | 231 | — | — | 415 | 809 |
| 1989 | — | 220 | — | — | 103 | 443 |
| 1987 | — | — | — | — | — | 53 |