Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTHWESTERN PLATING WORKS INC
3114 S KOLIN AVE, CHICAGO, IL, 60623
Parent company: NA
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) | Cyanide compounds | Nitric acid | Sodium hydroxide (solution) | Total (lbs) | |
| 1996 | — | 116 | — | — | 116 | |
| 1995 | 108 | 250 | — | — | 358 | |
| 1994 | 683 | 250 | — | — | 933 | |
| 1993 | 832 | 250 | — | — | 1,082 | |
| 1992 | 1,040 | 250 | — | — | 1,290 | |
| 1991 | 1,200 | 250 | — | — | 1,450 | |
| 1990 | 1,460 | 250 | — | — | 1,710 | |
| 1989 | 1,900 | 250 | 750 | — | 2,900 | |
| 1988 | 2,500 | 250 | — | 750 | 3,500 | |
| 1987 | 2,500 | — | — | — | 2,500 | |
▎ 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.