Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUMCO OREGON CORP
1430 TANDEM AVE NE, SALEM, OR, 97303
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ammonia | Nitric acid | Hydrogen fluoride | Total (lbs) | |
| 2004 | 98 | — | 215 | 253 | 566 | |
| 2003 | 78 | 1,260 | 286 | 248 | 1,872 | |
| 2002 | 69 | 1,338 | 288 | 247 | 1,942 | |
| 2001 | 2,906 | 1,141 | 234 | 160 | 4,441 | |
| 2000 | 5,004 | 2,057 | 409 | 216 | 7,686 | |
| 1999 | 4,002 | 2,121 | 287 | 138 | 6,548 | |
| 1998 | 3,550 | 3,940 | 211 | — | 7,701 | |
| 1997 | 4,157 | 2,209 | 813 | — | 7,179 | |
| 1996 | 3,093 | 4,702 | 173 | — | 7,968 | |
| 1995 | 1,626 | 7,910 | — | — | 9,536 | |
| 1994 | 1,450 | — | — | — | 1,450 | |
| 1993 | 3,750 | — | — | — | 3,750 | |
| 1992 | 2,450 | — | — | — | 2,450 | |
| 1991 | 1,000 | — | — | — | 1,000 | |
| 1990 | 850 | — | — | — | 850 | |
▎ 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.