Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
LAND O'LAKES PURINA FEED LLC ROSS ISLAND
2609 SE 8TH AVE, PORTLAND, OR, 97202
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 | Copper compounds | Total |
|---|---|---|---|---|
| 1994 | 3 | 3 | — | 6 |
| 1993 | 3 | 3 | 3 | 9 |