Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GREATBATCH-HITTMAN INC
9190 RED BRANCH RD, COLUMBIA, MD, 210452015
Parent company: WILSON GREATBATCH HOLDINGS LTD
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 | Total (lbs) | ||||
| 1997 | 500 | 500 | ||||
| 1994 | 253 | 253 | ||||
| 1993 | 357 | 357 | ||||
| 1992 | 325 | 325 | ||||
| 1991 | 619 | 619 | ||||
| 1990 | 863 | 863 | ||||
| 1989 | 660 | 660 | ||||
| 1988 | 12 | 12 | ||||
| 1987 | 12 | 12 | ||||
▎ 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.