Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MARATHONNORCO AEROSPACE INC
8301 IMPERIAL DR, WACO, TX, 76712
Parent company: TRANSDIGM INC
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 | 1,1,1-Trichloroethane | Nickel compounds | Nickel | Cadmium compounds | Total (lbs) | |
| 2002 | — | — | 5 | — | 5 | |
| 2001 | — | — | 5 | — | 5 | |
| 1997 | — | 2,100 | 2,000 | 1,300 | 5,400 | |
| 1996 | — | 260 | 15 | 260 | 535 | |
| 1990 | 4,170 | — | — | — | 4,170 | |
| 1989 | 5,400 | — | — | — | 5,400 | |
▎ 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.