Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GLENBROOK NICKEL CO
5093 RIDDLE BYPASS RD, RIDDLE, OR, 97469
Parent company: COMINCO AMERICAN 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 | Nickel compounds | Nickel | Chromium | Total (lbs) | ||
| 1998 | 1,562,397 | — | — | 1,562,397 | ||
| 1997 | 2,420,305 | — | — | 2,420,305 | ||
| 1996 | 2,034,312 | — | — | 2,034,312 | ||
| 1995 | 1,207,710 | — | — | 1,207,710 | ||
| 1994 | 13,446 | — | — | 13,446 | ||
| 1993 | 1,123,708 | — | — | 1,123,708 | ||
| 1992 | — | 2,022,193 | 64,279 | 2,086,472 | ||
| 1991 | — | 2,652,009 | — | 2,652,009 | ||
| 1990 | — | 2,437,449 | — | 2,437,449 | ||
| 1989 | — | 524,300 | — | 524,300 | ||
▎ 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.