Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OLIN CORP CHEMICALS GROUP
PATTERSON RD, JOLIET, IL, 60434
Parent company: OLIN CORP
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Phosphoric acid | Chlorine | Nitric acid | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 1991 | — | — | 39 | — | — | 39 |
| 1990 | 65 | 4,583 | 44 | 217 | 29 | 4,938 |
| 1989 | 15,125 | 1,118 | 39 | 30 | 29 | 16,341 |
| 1988 | — | 130 | 650 | — | — | 780 |
| 1987 | 250 | — | — | — | — | 250 |
▎ 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.