Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
HOWMET CORP ALLOY DIV
41605 ANN ARBOR RD, PLYMOUTH, MI, 48170
Parent company: PECHINEY CORP
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Chromium | Cobalt | Nickel | Total |
|---|---|---|---|---|
| 1992 | 255 | 255 | 500 | 1,010 |
| 1991 | 1,408 | 2,163 | 1,000 | 4,571 |
| 1990 | 1,416 | 1,990 | 1,251 | 4,657 |
| 1989 | 1,604 | 2,316 | 1,350 | 5,270 |
| 1988 | 1,410 | — | — | 1,410 |
| 1987 | 1,526 | — | — | 1,526 |