Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PERSONA INC
700 21ST ST SW, WATERTOWN, SD, 57201
Parent company: HOLIEN INC
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) | Toluene | Total (lbs) | |||
| 1997 | 13,750 | — | 13,750 | |||
| 1996 | 13,200 | — | 13,200 | |||
| 1995 | 11,350 | — | 11,350 | |||
| 1994 | 11,750 | 8,750 | 20,500 | |||
| 1993 | 8,450 | — | 8,450 | |||
▎ 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.