Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HUGHES MISSILE SYSTEMS CO
204 OUACHITA 212, EAST CAMDEN, AR, 71701
Parent company: GENERAL MOTORS CORP
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 | Freon 113 (CFC-113) | Total (lbs) | ||||
| 1993 | 18,368 | 18,368 | ||||
| 1992 | 95,100 | 95,100 | ||||
| 1991 | 167,190 | 167,190 | ||||
| 1990 | 281,438 | 281,438 | ||||
| 1989 | 417,422 | 417,422 | ||||
| 1988 | 466,800 | 466,800 | ||||
▎ 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.