Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OSI INDUSTRIES INC OTTO & SONS
711 INDUSTRIAL DR, WEST CHICAGO, IL, 60185
Parent company: OSI GROUP LLC
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) 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.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Ammonia | Total (lbs) | ||||
| 2024 | 600 | 600 | ||||
| 2023 | 10 | 10 | ||||
| 2019 | 1 | 1 | ||||
| 2014 | 12,000 | 12,000 | ||||
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.