Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PROGRESSIVE STEEL TREATING INC
4500 KISHWAUKEE ST, ROCKFORD, IL, 61109
Parent company: NA
Carcinogen
— EPA classifications across all reporting years
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Methanol | Zinc (fume or dust) | Ammonia | Nitric acid | Total (lbs) |
| 1999 | — | — | — | 7 | — | 7 |
| 1998 | — | — | — | 25 | — | 25 |
| 1997 | — | — | — | 24 | — | 24 |
| 1990 | 250 | 250 | 250 | 5 | 250 | 1,010 |
| 1989 | 250 | 250 | 250 | 250 | — | 1,000 |
▎ 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.