Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WINFIELD BROOKS CO INC
70 CONN ST, WOBURN, MA, 018015693
Parent company: WINBRO GROUP LTD
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 | Methyl ethyl ketone | Toluene | 1,1,1-Trichloroethane | Acetone | Total (lbs) | |
| 2001 | 3,750 | — | — | — | 3,750 | |
| 2000 | 7,430 | 4,779 | — | — | 12,209 | |
| 1999 | 5,697 | 2,904 | — | — | 8,601 | |
| 1998 | 4,950 | 5,650 | — | — | 10,600 | |
| 1997 | 1,578 | 4,937 | — | — | 6,515 | |
| 1996 | 5,850 | 4,250 | 260 | — | 10,360 | |
| 1995 | 12,850 | 1,650 | 2,550 | — | 17,050 | |
| 1994 | 12,250 | 5,250 | 1,750 | — | 19,250 | |
| 1993 | 15,250 | 2,750 | 4,250 | 1,000 | 23,250 | |
| 1992 | 9,850 | 3,620 | 4,350 | 1,000 | 18,820 | |
| 1991 | 7,469 | 275 | 514 | 1,041 | 9,299 | |
| 1990 | 9,800 | 250 | 7,900 | 750 | 18,700 | |
| 1989 | 3,800 | 750 | 6,500 | 250 | 11,300 | |
| 1987 | 2,400 | — | 2,900 | — | 5,300 | |
▎ 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.