Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MID-WEST WALTHAM ABRASIVES CO
510 S WASHINGTON ST, OWOSSO, MI, 48867
Parent company: MID-WEST WALTHAM ABRASIVES CO
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 | Aluminum oxide (fibrous forms) | Total (lbs) | ||||
| 1990 | 2,800 | 2,800 | ||||
| 1989 | 2,800 | 2,800 | ||||
| 1988 | 3,200 | 3,200 | ||||
| 1987 | 3,000 | 3,000 | ||||
▎ 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.