Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
26 CHESTNUT ST, SOMERVILLE, MA, 02143
Parent company: NA
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | Trichloroethylene | Tetrachloroethylene | Nitric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |
| 1994 | — | 13,316 | 10 | — | 13,326 | |
| 1993 | — | — | 10 | — | 10 | |
| 1992 | — | — | 10 | — | 10 | |
| 1991 | 8,324 | — | 10 | — | 8,334 | |
| 1990 | 14,012 | — | 10 | 10 | 14,032 | |
| 1989 | 15,416 | — | 250 | — | 15,666 | |
| 1988 | 15,752 | — | — | — | 15,752 | |
| 1987 | 6,565 | — | — | — | 6,565 | |
▎ 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.