Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
VALENT BIOSCIENCES LLC
2142 350TH ST, OSAGE, IA, 50461
Parent company: SUMITOMO CHEMICAL AMERICA 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 | Methanol | Ammonia | Hydrogen sulfide | Total |
|---|---|---|---|---|
| 2024 | 9,000 | 9,400 | 690 | 19,090 |
| 2023 | 8,700 | 9,500 | — | 18,200 |
| 2022 | 8,000 | 9,505 | — | 17,505 |
| 2021 | 8,200 | 9,605 | — | 17,805 |
| 2020 | 3,970 | 9,505 | — | 13,475 |
| 2019 | 4,700 | 9,405 | — | 14,105 |
| 2018 | 8,400 | — | — | 8,400 |
| 2017 | 3,800 | — | — | 3,800 |
| 2016 | 4,100 | — | — | 4,100 |
| 2015 | 1,000 | — | — | 1,000 |