Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TUSONIX INC
7741 N BUSINESS PARK DR, TUCSON, AZ, 85743
Parent company: NA
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 | Tetrachloroethylene | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | Total (lbs) | |||
| 1997 | — | 255 | 255 | |||
| 1996 | — | 755 | 755 | |||
| 1994 | — | 255 | 255 | |||
| 1993 | — | 255 | 255 | |||
| 1992 | — | 255 | 255 | |||
| 1991 | — | 255 | 255 | |||
| 1990 | — | 255 | 255 | |||
| 1989 | 1,300 | — | 1,300 | |||
| 1988 | 6,300 | — | 6,300 | |||
▎ 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.