Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STIFFEL CO
700 N KINGSBURY ST, CHICAGO, IL, 60610
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 | 1,1,1-Trichloroethane | Trichloroethylene | Toluene | Methyl ethyl ketone | Zinc compounds | Total (lbs) |
| 1997 | — | — | — | — | — | 1,000 |
| 1996 | — | — | — | — | — | 700 |
| 1995 | — | — | — | — | — | 1,000 |
| 1994 | — | — | — | 8,350 | — | 9,100 |
| 1993 | — | — | 10,750 | 9,250 | — | 20,750 |
| 1992 | — | — | 9,750 | — | — | 10,250 |
| 1991 | — | — | 10,750 | — | — | 11,250 |
| 1990 | 28,750 | — | 13,750 | — | — | 43,000 |
| 1989 | 38,750 | — | 6,250 | — | 1,500 | 47,000 |
| 1988 | — | 35,750 | — | — | 1,500 | 37,250 |
| 1987 | — | 30,750 | — | — | 1,500 | 32,750 |
▎ 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.