Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MATSUSHITA ELECTRONIC MATERIALS INC.
4114 HEATHER ST, FOREST GROVE, OR, 97116
Parent company: NA
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 | Methyl ethyl ketone | Toluene | N,N-Dimethylformamide | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Copper | Total (lbs) |
| 2005 | — | 1,084 | 931 | — | — | 2,015 |
| 2004 | — | 3,630 | 2,088 | — | — | 5,718 |
| 2003 | 2,520 | 2,016 | 756 | — | — | 5,292 |
| 2002 | 1,000 | 1,950 | 500 | — | — | 3,450 |
| 2001 | 1,000 | 2,150 | 2,362 | — | — | 5,512 |
| 2000 | 4,730 | 3,250 | 3,150 | — | — | 11,130 |
| 1998 | 2,094 | 140 | 133 | — | 5 | 2,372 |
| 1997 | 1,225 | 250 | 171 | — | 5 | 1,651 |
| 1996 | 2,530 | 210 | 990 | — | 5 | 3,735 |
| 1995 | 1,000 | — | 1,000 | 255 | — | 2,255 |
| 1994 | 1,000 | — | — | — | — | 1,000 |
▎ 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.