Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
POLYPORE INC
4601 S 3RD AVE, TUCSON, AZ, 857142899
Parent company: NA
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 | Acetone | Dibutyl phthalate | 1,1,1-Trichloroethane | Toluene | C.I. Solvent Yellow 3 | Total |
|---|---|---|---|---|---|---|
| 1992 | — | — | — | — | — | 5 |
| 1991 | 1 | 1 | 5 | 5 | — | 12 |
| 1990 | 5 | — | 5 | 5 | 5 | 20 |
| 1989 | 1,500 | 30 | 6 | 6 | — | 1,542 |