Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DO3 SYSTEMS INC
201 INDUSTRIAL PARK, MARKED TREE, AR, 72365
Parent company: ALMA GROUP
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 | Methyl ethyl ketone | Toluene | Total (lbs) | |||
| 1996 | — | 13,000 | 13,000 | |||
| 1995 | — | 11,000 | 11,000 | |||
| 1994 | — | 20,000 | 20,000 | |||
| 1991 | 21,400 | — | 21,400 | |||
| 1990 | 19,447 | 12,952 | 32,399 | |||
| 1989 | 33,283 | — | 33,283 | |||
| 1988 | 44,530 | — | 44,530 | |||
▎ 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.