Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WYMAN-GORDON CO
244 WORCESTER ST BOX 8001, NORTH GRAFTON, MA, 01536
Parent company: BERKSHIRE HATHAWAY 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 | Hydrogen fluoride | Nitric acid | Nickel | Chromium | Cobalt | Total (lbs) |
| 2024 | — | — | 335 | 131 | 13 | 479 |
| 2023 | — | — | 860 | 368 | 32 | 1,260 |
| 2022 | — | — | 792 | 325 | 39 | 1,156 |
| 2021 | — | — | 426 | 207 | 18 | 651 |
| 2020 | — | — | 802 | 300 | 30 | 1,132 |
| 2019 | — | — | 370 | 197 | 14 | 581 |
| 2018 | — | — | 330 | 169 | 14 | 513 |
| 2017 | 20 | 14 | 634 | 282 | 15 | 965 |
| 2016 | 244 | 36 | 270 | 109 | 4 | 684 |
| 2015 | 207 | 33 | 350 | 151 | 6 | 770 |
| 2014 | 222 | 35 | 500 | 215 | 8 | 1,005 |
| 2013 | 217 | 32 | 439 | 193 | 11 | 916 |
| 2012 | 163 | 27 | 817 | 356 | 20 | 1,411 |
| 2011 | 2,495 | 2 | 197 | 97 | 15 | 2,823 |
| 2010 | 1,837 | 2 | 173 | 79 | 15 | 2,115 |
| 2009 | 2,836 | 5 | 369 | 166 | 33 | 3,409 |
| 2008 | 3,369 | 5 | 337 | 140 | 34 | 3,895 |
| 2007 | 2,655 | 4 | 344 | 139 | 36 | 3,187 |
| 2006 | 3,407 | 3 | 354 | 133 | 54 | 3,960 |
| 2005 | 2,209 | 4 | 346 | 127 | 54 | 2,740 |
| 2004 | 2,312 | 25 | 340 | 124 | 56 | 2,857 |
| 2003 | 1,722 | 3 | 331 | 120 | 44 | 2,220 |
| 2002 | 1,195 | 4 | 330 | 127 | 39 | 1,695 |
| 2001 | 1,490 | 4 | 350 | 126 | 50 | 2,020 |
| 2000 | 1,768 | 3 | 330 | 116 | 39 | 2,256 |
| 1999 | 904 | 1 | 333 | 122 | 47 | 1,407 |
| 1998 | 1,051 | 2 | 419 | 180 | 49 | 1,701 |
| 1997 | 1,194 | 1 | 425 | 186 | 49 | 1,925 |
| 1996 | 958 | — | 364 | 138 | 40 | 1,837 |
| 1995 | 880 | 860 | 382 | 141 | 33 | 2,310 |
| 1994 | 890 | 1,200 | 77 | 42 | 5 | 2,347 |
| 1993 | 971 | 21,980 | 160 | 82 | 9 | 23,278 |
| 1992 | 214 | 2,402 | 290 | 133 | — | 3,304 |
| 1991 | 107 | 1,424 | 370 | 220 | 30 | 2,292 |
| 1990 | 5,450 | 7,050 | 1,255 | 755 | 510 | 17,025 |
| 1989 | 7,850 | 6,250 | 1,000 | 1,000 | 1,000 | 21,150 |
| 1988 | — | — | 1,500 | 1,500 | 500 | 3,500 |
| 1987 | 6,050 | 3,000 | — | — | — | 9,050 |
▎ 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.