Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HUGHES AIRCRAFT SOUTH CAROLINA FACILITY
ROWESVILLE RD HWY 21 S, ORANGEBURG, SC, 29115
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 | 1,1,1-Trichloroethane | Freon 113 (CFC-113) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Chlorine | Total (lbs) |
| 1994 | 9,927 | — | — | 250 | — | 10,177 |
| 1993 | 10,750 | — | — | 250 | — | 11,000 |
| 1992 | 360 | — | 1,810 | 660 | — | 2,830 |
| 1991 | 40,200 | — | 3,250 | 600 | — | 44,050 |
| 1990 | 23,695 | — | — | — | — | 23,695 |
| 1989 | — | 36,640 | — | 250 | 250 | 37,140 |
| 1987 | — | 6,850 | — | — | — | 6,850 |
▎ 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.