Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
LAND O'LAKES PURINA FEED LLC - COLUMBUS
N2117 COLUMBUS FALL RIVER RD, COLUMBUS, WI, 53925
Parent company: LAND O LAKES INC
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 | Zinc compounds | Zinc (fume or dust) | Manganese compounds | Copper compounds | Manganese | Total |
|---|---|---|---|---|---|---|
| 1994 | 64 | — | 32 | 17 | — | 113 |
| 1993 | 36 | — | 18 | 10 | — | 64 |
| 1992 | 250 | — | 250 | 5 | — | 505 |
| 1991 | — | 5 | — | — | 5 | 10 |
| 1990 | — | 5 | — | — | 5 | 10 |
| 1988 | — | 305 | — | — | — | 305 |