Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
LAND O'LAKES INC FEED PLANT
211 TOWN 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 | Manganese compounds | Zinc compounds | Total |
|---|---|---|---|
| 1994 | 16 | 16 | 32 |
| 1993 | 23 | 23 | 46 |
| 1992 | 22 | 22 | 44 |
| 1991 | 5 | 5 | 10 |