Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
THIOKOL ORDNANCE LONGHORN ARMY AMMUNITION PLANT
INTERSECTION OF HWY 134, & SPUR 449, KARNACK, TX, 75661
Parent company: THIOKOL CORP
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 | Acetone | 1,1,1-Trichloroethane | Dichloromethane | Methyl ethyl ketone | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Total (lbs) |
| 1993 | 174,000 | 90,932 | — | — | — | 264,932 |
| 1992 | 90,700 | 58,750 | — | — | 550 | 150,000 |
| 1990 | 82,000 | 31,100 | 60,250 | — | 1,550 | 174,900 |
| 1989 | 10,000 | 23,000 | 50,250 | — | 1,000 | 84,250 |
| 1988 | 4,898 | 36,100 | 54,250 | 64,000 | 1,000 | 160,998 |
| 1987 | — | — | 52,250 | — | — | 52,250 |
▎ 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.