Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CARPENTER CO
2525 KERPER BLVD, DUBUQUE, IA, 52001
Parent company: CARPENTER CO
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 | Dichloromethane | Total (lbs) | |||
| 1996 | — | 14,151 | 14,151 | |||
| 1994 | 61,430 | — | 61,430 | |||
| 1993 | 79,127 | — | 79,127 | |||
| 1992 | 65,375 | — | 65,375 | |||
| 1991 | 31,343 | — | 31,343 | |||
| 1990 | 52,935 | — | 52,935 | |||
| 1989 | 35,019 | — | 35,019 | |||
| 1988 | 53,183 | — | 53,183 | |||
▎ 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.