Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
DSM NUTRITIONAL PRODUCTS LLC
616 DAYTON AVE, AMES, IA, 50010
Parent company: DSM HOLDING CO USA 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 | Manganese compounds | Total |
|---|---|---|---|
| 2024 | 10 | — | 10 |
| 2023 | 10 | — | 10 |
| 2022 | 5 | — | 5 |
| 2021 | 6 | — | 6 |
| 2020 | 7 | — | 7 |
| 2019 | 9 | 4 | 13 |
| 1992 | 250 | — | 250 |
| 1991 | 250 | — | 250 |
| 1990 | 250 | — | 250 |
| 1989 | 250 | — | 250 |