Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
METAL CULVERTS INC M & M HIGHWAY MATERIALS DIV
109 DAKOTA AVE, COLUMBIA, MO, 65203
Parent company: METAL CULVERTS INC
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 | Manganese | Chromium | Copper | Nickel | Total |
|---|---|---|---|---|---|
| 1990 | 255 | — | — | — | 255 |
| 1989 | 500 | 500 | 500 | 500 | 2,000 |
| 1988 | 250 | 250 | 250 | — | 750 |