Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NORTHWEST CASTINGS
3411 1ST AVE S, SEATTLE, WA, 98134
Parent company: NA
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Manganese | Chromium | Total |
|---|---|---|---|
| 1996 | 499 | 499 | 998 |
| 1995 | 499 | 250 | 749 |
| 1994 | 499 | 499 | 998 |
| 1993 | 499 | — | 499 |
| 1992 | 250 | — | 250 |
| 1991 | 250 | — | 250 |
| 1990 | 250 | — | 250 |
| 1989 | 250 | — | 250 |