Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
IMP INC
2830 N 1ST ST, SAN JOSE, CA, 951342071
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 | Acetone | Hydrogen fluoride | Phosphoric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|---|
| 1996 | — | 250 | 250 | — | 500 |
| 1995 | — | 250 | 250 | — | 500 |
| 1994 | — | 250 | 250 | 250 | 750 |
| 1993 | 11,786 | 250 | 250 | 250 | 12,536 |
| 1992 | 9,625 | 250 | 250 | 250 | 10,375 |
| 1991 | — | 250 | 250 | 250 | 750 |
| 1990 | 39,201 | 250 | 250 | 250 | 39,951 |
| 1989 | 38,924 | — | — | — | 38,924 |