Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
KENT NUTRITION GROUP INC
2233 W AIRLINE HWY, WATERLOO, IA, 50703
Parent company: KENT CORP
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 | Manganese And Manganese Compounds | Copper compounds | Total |
|---|---|---|---|---|---|
| 2022 | 3 | 6 | — | — | 9 |
| 2020 | — | — | 5 | — | 5 |
| 2019 | 250 | — | — | — | 250 |
| 2018 | 20 | — | — | — | 20 |
| 2017 | 4 | 3 | — | 1 | 7 |
| 2016 | 1 | 3 | — | 1 | 5 |