Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTHWEST DOOR & SUPPLY INC
16358 SW 72ND, PORTLAND, OR, 97223
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 | Toluene | Xylene (mixed isomers) | Acetone | Methyl isobutyl ketone | Total (lbs) | |
| 1991 | 16,750 | 13,750 | 14,750 | — | 45,250 | |
| 1990 | 17,950 | 16,942 | 18,100 | 11,868 | 64,860 | |
| 1989 | 11,500 | 11,750 | — | — | 23,250 | |
| 1988 | 12,750 | — | — | — | 12,750 | |
| 1987 | 9,750 | 10,250 | — | — | 20,000 | |
▎ 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.