Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WAGNER MINING & CONSTRUCTION, EQUIPMENT CO
4424 NE 158TH AVE, PORTLAND, OR, 972304999
Parent company: NA
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) | Toluene | 1,1,1-Trichloroethane | Total (lbs) | ||
| 1991 | 19,395 | 4,209 | — | 23,604 | ||
| 1990 | 24,738 | 6,765 | — | 31,503 | ||
| 1989 | 31,776 | 7,649 | 6,634 | 46,059 | ||
| 1988 | 26,000 | 10,000 | — | 36,000 | ||
| 1987 | — | 9,600 | — | 9,600 | ||
▎ 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.