Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUPERIOR GRAPHITE CO
6540 S LARAMIE AVE, BEDFORD PARK, IL, 60638
Parent company: SUPERIOR GRAPHITE CO
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 | Toluene | Total (lbs) | |||
| 1995 | 2,792 | 977 | 3,769 | |||
| 1994 | 2,236 | 672 | 2,908 | |||
| 1993 | 2,102 | — | 2,102 | |||
| 1992 | 4,760 | 528 | 5,288 | |||
| 1991 | 4,901 | — | 4,901 | |||
| 1990 | 9,169 | 660 | 9,829 | |||
| 1989 | 6,396 | 1,012 | 7,408 | |||
| 1988 | — | 1,554 | 1,554 | |||
| 1987 | — | 1,386 | 1,386 | |||
▎ 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.