Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
EXELON NEW BOSTON LLC
776 SUMMER ST, SOUTH BOSTON, MA, 02127
Parent company: EXELON NEW ENGLAND HOLDINGS LLC
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 | Ammonia | n-Hexane | Total (lbs) | |||
| 2002 | 26,100 | — | 26,100 | |||
| 2001 | 37,335 | — | 37,335 | |||
| 2000 | 27,690 | — | 27,690 | |||
| 1999 | 43,386 | — | 43,386 | |||
| 1998 | 83,265 | 46,946 | 130,211 | |||
▎ 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.