Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DIDION & SONS FOUNDRY
4894 N SERVICE RD, SAINT PETERS, MO, 63376
Parent company: NA
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 | Manganese compounds | Copper | Total (lbs) | |||
| 2007 | 255 | 255 | 510 | |||
| 2006 | 255 | 255 | 510 | |||
| 2005 | 518 | — | 518 | |||
| 2004 | 825 | — | 825 | |||
| 2003 | 855 | 2 | 857 | |||
| 2002 | 850 | 5 | 855 | |||
| 2001 | 826 | — | 826 | |||
| 2000 | 1,086 | — | 1,086 | |||
| 1999 | 1,290 | — | 1,290 | |||
| 1998 | 1,024 | — | 1,024 | |||
▎ 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.