Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
MIDWEST ALLOY
103 N COOL SPRINGS RD, O FALLON, MO, 63366
Parent company: ST LOUIS STEEL CASTINGS
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 | Nickel | Manganese | Total |
|---|---|---|---|---|
| 1998 | 814 | — | — | 814 |
| 1997 | 1,000 | — | — | 1,000 |
| 1995 | 500 | 500 | — | 1,000 |
| 1994 | 250 | 250 | 250 | 750 |
| 1993 | 700 | 240 | — | 940 |
| 1992 | 900 | — | — | 900 |
| 1991 | 850 | — | — | 850 |