Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KEYSOR-CENTURY CORP
SCHOOL HOUSE RD, DELAWARE CITY, DE, 19706
Parent company: KEYSOR CENTURY CORP
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 | Toluene | Total (lbs) | ||||
| 1995 | 100 | 100 | ||||
| 1994 | 90 | 90 | ||||
| 1993 | 110 | 110 | ||||
| 1992 | 950 | 950 | ||||
| 1991 | 5,550 | 5,550 | ||||
| 1990 | 5,215 | 5,215 | ||||
| 1989 | 4,400 | 4,400 | ||||
| 1988 | 9,000 | 9,000 | ||||
▎ 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.