Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BRIDGEPORT BRASS (DBA OLIN BRASS)
1800 S HOLT RD, INDIANAPOLIS, IN, 46241
Parent company: OLIN 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 | Zinc (fume or dust) | Copper | Dichloromethane | Zinc compounds | 1,1,1-Trichloroethane | Total (lbs) |
| 2003 | 515 | 83 | — | — | — | 610 |
| 2002 | 1,029 | 165 | — | — | — | 1,214 |
| 2001 | 4,202 | 7,062 | — | — | — | 11,428 |
| 2000 | 9,484 | 11,311 | — | — | — | 21,117 |
| 1999 | 8,587 | 11,364 | — | — | — | 20,257 |
| 1998 | 9,966 | 8,329 | — | — | — | 18,591 |
| 1997 | 10,178 | 8,745 | — | — | — | 19,224 |
| 1996 | 10,005 | 8,352 | — | — | — | 18,663 |
| 1995 | 13,344 | 9,267 | — | — | — | 22,871 |
| 1994 | 18,878 | 15,622 | — | — | — | 34,878 |
| 1993 | 13,349 | 13,125 | — | — | — | 28,111 |
| 1992 | 14,814 | 11,698 | — | 125 | — | 28,688 |
| 1991 | 11,520 | 7,764 | — | 194 | — | 20,844 |
| 1990 | 9,500 | 4,860 | — | — | — | 15,519 |
| 1989 | — | 1,729 | 28,000 | 14,794 | 1,211 | 47,220 |
| 1988 | — | — | 22,000 | — | 15,000 | 38,906 |
| 1987 | — | — | — | 11,880 | — | 13,011 |
▎ 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.