Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
IMPERIAL MANUFACTURING CO INC
2271 NE 194TH, PORTLAND, OR, 97230
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 | Dichloromethane | Dichlorodifluoromethane (CFC-12) | Total |
|---|---|---|---|
| 1992 | 3,648 | — | 3,648 |
| 1991 | 10,665 | 3,670 | 14,335 |
| 1990 | 8,335 | — | 8,335 |