Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUMCO OREGON CORP
1351 TANDEM AVE NE, SALEM, OR, 97303
Parent company: SUMCO USA CORP
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 | Freon 113 (CFC-113) | Ammonia | Trichloroethylene | Nitric acid | Hydrogen fluoride | Total (lbs) |
| 2004 | — | 2,520 | — | 1,086 | 218 | 3,824 |
| 2003 | — | 4,132 | — | 1,359 | 291 | 5,782 |
| 2002 | — | 6,222 | — | 1,661 | 298 | 8,181 |
| 2001 | — | 6,146 | — | 1,578 | 1,205 | 9,231 |
| 2000 | — | 8,829 | — | 2,208 | 1,528 | 12,565 |
| 1999 | — | 9,172 | — | 1,902 | 1,116 | 12,190 |
| 1998 | — | 7,648 | — | 1,778 | 503 | 9,929 |
| 1997 | — | 9,414 | — | 1,557 | 2,987 | 13,958 |
| 1996 | — | 9,172 | — | 1,863 | 3,859 | 14,894 |
| 1995 | — | 20,125 | — | 2,311 | 754 | 24,083 |
| 1994 | — | 24,250 | — | 3,405 | 1,205 | 29,615 |
| 1993 | — | 1,000 | — | 500 | 500 | 2,500 |
| 1992 | — | 1,000 | — | 500 | 500 | 2,510 |
| 1991 | — | 500 | — | 500 | 500 | 2,005 |
| 1990 | 58,199 | 4,950 | — | 450 | 105 | 65,504 |
| 1989 | 73,050 | 7,650 | 10,150 | 500 | 570 | 95,820 |
| 1988 | — | — | 14,450 | 390 | 580 | 20,946 |
| 1987 | — | — | — | — | — | 2,746 |
▎ 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.