Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MIDWEST ZINC CORP CHICAGO FACILITY
1001 W WEED ST, CHICAGO, IL, 60622
Parent company: US ZINC CORP
Carcinogen
PBT
— 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 | Zinc compounds | Lead compounds | Lead | Zinc (fume or dust) | Copper compounds | Total (lbs) |
| 2000 | 30,116 | 17 | — | — | — | 30,133 |
| 1999 | 39,781 | 22 | — | — | — | 39,803 |
| 1998 | 37,479 | 21 | — | — | — | 37,500 |
| 1997 | 33,855 | 28 | — | — | 3 | 33,886 |
| 1996 | 33,163 | 44 | — | — | 8 | 33,215 |
| 1995 | 46,223 | 215 | — | — | — | 46,438 |
| 1994 | 45,259 | 204 | — | — | — | 45,463 |
| 1993 | 30,411 | 204 | — | — | — | 30,615 |
| 1992 | 27,047 | 140 | — | — | — | 27,187 |
| 1991 | 25,770 | 810 | — | — | — | 26,580 |
| 1990 | 25,932 | — | 750 | 434 | — | 27,116 |
| 1989 | 35,250 | — | 250 | — | — | 35,500 |
| 1988 | 44,320 | — | 250 | — | — | 44,570 |
▎ 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.