Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DAYTON SUPERIOR CORPORATION
4201 MONTDALE DRIVE, VALPARAISO, IN, 46383
Parent company: DAYTON SUPERIOR CORP
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 | Manganese | Nickel | Total (lbs) | |||
| 2014 | 5 | — | 5 | |||
| 2013 | 44 | — | 44 | |||
| 2012 | 10 | — | 10 | |||
| 2011 | 10 | 10 | 20 | |||
| 2010 | 8 | 4 | 12 | |||
▎ 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.