Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
YAMAMOTO MFG USA INC
1270 NW 167TH PL, BEAVERTON, OR, 970064826
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 | Ammonia | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Formaldehyde | Total (lbs) | ||
| 1998 | 2,590 | — | — | 2,590 | ||
| 1997 | 1,400 | — | — | 1,400 | ||
| 1996 | 1,755 | — | — | 1,755 | ||
| 1995 | 2,500 | 800 | — | 3,300 | ||
| 1994 | 2,932 | — | — | 2,932 | ||
| 1993 | 2,696 | — | — | 2,696 | ||
| 1992 | 3,174 | — | — | 3,174 | ||
| 1991 | 2,480 | — | — | 2,480 | ||
| 1990 | 1,820 | — | 590 | 2,410 | ||
| 1989 | 1,900 | — | — | 1,900 | ||
| 1987 | 1,361 | — | — | 1,361 | ||
▎ 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.