Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KEOKUK STEEL CASTINGS INC PLANT II
361 CARBIDE LN, KEOKUK, IA, 52632
Parent company: ABC-NACO INC
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 | Chromium | Manganese | Nickel | Total (lbs) | ||
| 2000 | 515 | 489 | 402 | 1,406 | ||
| 1999 | 79 | 276 | 159 | 514 | ||
| 1998 | 5,425 | 3,980 | 2,750 | 12,155 | ||
| 1997 | 780 | 550 | 425 | 1,755 | ||
| 1996 | 625 | 520 | 350 | 1,495 | ||
| 1995 | 525 | 560 | 260 | 1,345 | ||
| 1994 | 410 | 520 | 180 | 1,110 | ||
| 1993 | 75 | 100 | — | 175 | ||
▎ 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.