Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HAWARDEN MACHINE CO
123 10TH ST, HAWARDEN, IA, 51023
Parent company: HAWARDEN MACHINE 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 | Xylene (mixed isomers) | Ethylbenzene | Toluene | Total (lbs) | ||
| 2000 | 750 | 250 | 250 | 1,250 | ||
| 1998 | 4,228 | — | — | 4,228 | ||
| 1997 | 858 | — | — | 858 | ||
▎ 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.