Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HITACHI MAGNETICS CORP
7800 NEFF RD, EDMORE, MI, 48829
Parent company: HITACHI METALS INTERNATIONAL
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 | Nickel | Cobalt | Copper | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Chromium | Total (lbs) |
| 2001 | 750 | 505 | 260 | — | — | 1,530 |
| 2000 | 750 | 505 | 260 | — | — | 1,530 |
| 1999 | 750 | 505 | 260 | — | — | 1,530 |
| 1998 | 750 | 505 | 260 | — | — | 1,530 |
| 1997 | 750 | 505 | 260 | — | — | 1,530 |
| 1996 | 750 | 505 | 260 | 500 | — | 2,030 |
| 1995 | 750 | 505 | 260 | 500 | — | 2,030 |
| 1994 | 750 | 505 | 260 | 500 | — | 2,030 |
| 1993 | 750 | 505 | 15 | 500 | — | 1,785 |
| 1992 | 505 | 505 | 15 | 500 | — | 1,530 |
| 1991 | 505 | 505 | 15 | — | — | 1,025 |
| 1990 | 505 | 750 | 15 | — | — | 1,270 |
| 1989 | 750 | 750 | 750 | — | 500 | 3,250 |
| 1988 | — | 500 | — | — | — | 1,750 |
| 1987 | 250 | — | — | — | — | 250 |
▎ 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.