Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GE IONICS
65 GROVE ST, WATERTOWN, MA, 02472
Parent company: GENERAL ELECTRIC CO INC
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 | Methanol | Dichloromethane | n-Hexane | N-Methyl-2-pyrrolidone | N,N-Dimethylformamide | Total (lbs) |
| 2009 | — | — | — | 133 | — | 133 |
| 2008 | — | — | — | 280 | — | 280 |
| 2007 | — | — | — | 1,000 | — | 1,000 |
| 2006 | — | — | — | 708 | — | 708 |
| 2005 | — | — | — | 803 | — | 803 |
| 2004 | — | — | — | 500 | — | 500 |
| 2003 | — | — | — | 515 | — | 515 |
| 2002 | — | — | — | 650 | — | 650 |
| 2001 | — | — | — | 1,116 | — | 1,116 |
| 2000 | — | — | — | 615 | — | 615 |
| 1999 | — | — | 843 | 592 | 34 | 1,469 |
| 1998 | — | — | 814 | 980 | 26 | 1,820 |
| 1997 | 7,065 | 15,730 | 716 | 7 | 30 | 23,548 |
| 1996 | 9,330 | 18,400 | 720 | 6 | 33 | 28,489 |
| 1995 | 12,600 | 22,300 | 5,485 | 20 | — | 40,405 |
| 1994 | 11,431 | 16,636 | — | — | — | 28,067 |
| 1993 | 15,836 | 28,308 | — | — | — | 44,144 |
| 1992 | 12,161 | 28,828 | — | — | — | 40,989 |
| 1991 | 17,840 | 21,930 | — | — | — | 39,770 |
| 1990 | 20,200 | 26,100 | — | — | — | 46,300 |
| 1989 | 50,700 | 86,500 | — | — | — | 137,200 |
| 1988 | 68,340 | — | — | — | — | 68,340 |
| 1987 | 85,172 | — | — | — | — | 85,172 |
▎ 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.