Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
INVENSYS COLMAN METAL FINISHING DIV
1300 ROCK ST, ROCKFORD, IL, 61105
Parent company: INVENSYS PLC
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 | Ammonia | 1,1,1-Trichloroethane | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2001 | 250 | — | 1,000 | — | — | 1,500 |
| 2000 | — | — | 832 | 310 | 6 | 1,153 |
| 1999 | 1,296 | — | 4,425 | — | 1,320 | 7,358 |
| 1998 | 1,386 | — | — | — | — | 1,649 |
| 1997 | 1,094 | — | — | — | — | 1,321 |
| 1996 | 1,380 | — | — | 11,018 | — | 12,643 |
| 1995 | 117,657 | — | 33,195 | 18,196 | — | 169,465 |
| 1994 | 1,654 | 25,832 | — | — | — | 27,486 |
| 1993 | 1,508 | 11,263 | — | — | — | 12,771 |
| 1992 | 1,733 | 13,332 | — | — | — | 15,065 |
| 1991 | 250 | 24,122 | 500 | — | — | 24,872 |
| 1990 | 255 | 23,250 | 200 | — | — | 23,725 |
| 1989 | 250 | 2,550 | 200 | — | 100 | 3,100 |
| 1988 | — | 23,250 | — | — | 100 | 23,850 |
| 1987 | — | — | — | — | 750 | 830 |
▎ 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.