Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DUNCAN INDUSTRIES
340 INDL PARK RD, HARRISON, AR, 72601
Parent company: DOVER RESOURCES INC
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) | Tetrachloroethylene | Total (lbs) | |||
| 1990 | 13,860 | 14,306 | 28,166 | |||
| 1989 | 20,800 | — | 20,800 | |||
| 1988 | — | 6,841 | 6,841 | |||
▎ 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.