Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
2229 MAIN ST, CONCORD, MA, 017423897
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 | Freon 113 (CFC-113) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrogen fluoride | Copper | Total (lbs) | |
| 1998 | — | 250 | — | 10 | 260 | |
| 1994 | — | 5 | 250 | — | 255 | |
| 1993 | — | 5 | — | — | 5 | |
| 1990 | 15,119 | — | — | — | 15,119 | |
| 1989 | 105,575 | — | — | — | 105,575 | |
| 1988 | 177,367 | — | — | — | 177,367 | |
▎ 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.