Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
RAYTHEON SEMICONDUCTOR
4243 CAMPUS POINT CT, SAN DIEGO, CA, 92121
Parent company: RAYTHEON CO
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 | Acetone | Sodium hydroxide (solution) | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Hydrogen fluoride | Total (lbs) |
| 1993 | 500 | — | 10 | 10 | — | 520 |
| 1992 | 10 | — | 10 | 10 | — | 30 |
| 1991 | — | — | 10 | 10 | — | 30 |
| 1990 | 10 | — | 10 | 10 | 10 | 50 |
| 1989 | 5,750 | — | 500 | 500 | 500 | 7,750 |
| 1988 | 5,250 | 500 | — | — | — | 5,750 |
| 1987 | — | 500 | — | — | — | 500 |
▎ 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.