Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WEST STATE INC
5555 N CHANNEL BLD #72, PORTLAND, OR, 97208
Parent company: H C 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 | Xylene (mixed isomers) | n-Butyl alcohol | Ethylbenzene | Total (lbs) | ||
| 1993 | 102,088 | 63,513 | — | 165,601 | ||
| 1992 | 99,454 | 69,409 | 11,442 | 180,305 | ||
| 1991 | 164,247 | 98,221 | 12,357 | 274,825 | ||
| 1990 | 127,748 | 76,394 | — | 204,142 | ||
▎ 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.