Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUMCO OREGON CORP
3990 FAIRVIEW INDUSTRIAL DR SE, SALEM, OR, 97302
Parent company: SUMCO USA CORP
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 | Ammonia | Nitric acid | Hydrogen fluoride | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |
| 2004 | 3,297 | 1,399 | 147 | 741 | 5,584 | |
| 2003 | 4,487 | 4,800 | 231 | 461 | 9,979 | |
| 2002 | 6,587 | 6,317 | 248 | 424 | 13,576 | |
| 2001 | 6,749 | 4,346 | 1,429 | 716 | 13,240 | |
| 2000 | 7,012 | 7,557 | 2,648 | 1,221 | 18,438 | |
| 1999 | 8,107 | 6,426 | 2,492 | 808 | 17,833 | |
| 1998 | 6,959 | 4,233 | 1,827 | 431 | 13,450 | |
| 1997 | 4,793 | 4,746 | 1,894 | 830 | 12,263 | |
| 1996 | — | 1,282 | 519 | — | 1,801 | |
▎ 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.