Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
IMPERIAL WEST CHEMICAL CO
2315 N SULLIVAN RD, SPOKANE, WA, 99216
Parent company: PIONEER CHLOR ALKALI INVESTMENTS INC
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|
| 1994 | 10 | 10 |
| 1993 | 10 | 10 |
| 1992 | 10 | 10 |
| 1991 | 10 | 10 |
| 1990 | 10 | 10 |