Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
55 DEFCO PARK RD, NORTH HAVEN, CT, 06473
Parent company: ULBRICH STAINLESS STEELS & SPECIAL METALS INC
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Dichloromethane | Ammonia | Chromium | Copper | Nickel | Total |
|---|---|---|---|---|---|---|
| 2024 | — | — | 15 | 15 | 15 | 65 |
| 1995 | — | 5 | — | — | — | 5 |
| 1994 | — | 5 | — | — | — | 5 |
| 1993 | — | 5 | — | — | — | 5 |
| 1992 | — | 5 | — | — | — | 5 |
| 1991 | — | 5 | — | — | — | 5 |
| 1990 | — | 250 | — | — | — | 250 |
| 1989 | 85,323 | 250 | — | — | — | 85,573 |
| 1988 | — | 250 | — | — | — | 250 |