Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ROCKWELL INTL CORP
RTE 69 BYPASS NE, MC ALESTER, OK, 74501
Parent company: ROCKWELL INTL 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 | Methyl ethyl ketone | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |||
| 1993 | — | 180 | 180 | |||
| 1992 | — | 175 | 175 | |||
| 1991 | — | 250 | 250 | |||
| 1990 | — | 250 | 250 | |||
| 1989 | 15,214 | — | 15,214 | |||
▎ 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.