Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BATH IRON WORKS CORP
40 COMMERCIAL ST, PORTLAND, ME, 04101
Parent company: GENERAL DYNAMICS CORP
Carcinogen
PBT
— 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 | Xylene (mixed isomers) | n-Butyl alcohol | Naphthalene | Propylene | Lead | Total (lbs) |
| 1997 | 7,259 | — | — | — | — | 7,284 |
| 1996 | 4,391 | — | — | — | — | 4,391 |
| 1995 | — | — | — | — | — | 25 |
| 1994 | — | 8,123 | — | — | — | 8,123 |
| 1993 | 11,500 | 9,130 | — | — | — | 20,635 |
| 1992 | 13,517 | 19,864 | — | 250 | — | 33,641 |
| 1991 | 12,000 | 9,900 | — | 250 | — | 22,160 |
| 1990 | 8,643 | 7,548 | — | 5 | — | 16,201 |
| 1989 | 12,100 | 19,719 | — | — | 250 | 32,319 |
| 1988 | 14,000 | — | 6,900 | — | 250 | 21,150 |
▎ 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.