Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
ALLIANT TECHSYSTEMS NAVY WEAPONS INDL RESERVE PLANT
1101 JOHNSON DR, MC GREGOR, TX, 766570548
Parent company: ALLIANT TECHSYSTEMS INC
Carcinogen
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 1,1,1-Trichloroethane | Trichloroethylene | Dichloromethane | Freon 113 (CFC-113) | Total |
|---|---|---|---|---|---|---|
| 1995 | 20,782 | 23,380 | — | — | 1,025 | 45,187 |
| 1994 | 47,570 | 41,176 | 10,370 | 10,630 | 1,279 | 111,025 |
| 1993 | 26,729 | 54,773 | 10,790 | — | 2,496 | 94,788 |
| 1992 | 36,853 | 38,876 | 10,680 | 9,575 | 16,129 | 112,113 |
| 1991 | 37,190 | 32,957 | 19,188 | 11,418 | 9,180 | 109,933 |
| 1990 | 30,400 | 41,522 | 11,381 | — | — | 83,303 |
| 1989 | 69,600 | 105,192 | 5,900 | 9,160 | — | 202,861 |
| 1988 | 57,300 | — | — | — | — | 65,850 |
| 1987 | 91,228 | 27,950 | — | — | — | 119,178 |