Facility detail

CYPRESS SEMICONDUCTOR SAN JOSE

3901 N 1ST ST, SAN JOSE, CA, 95134

Parent company: CYPRESS SEMICONDUCTOR

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) Phosphoric acid Acetone Hydrogen fluoride Nitric acid Total (lbs)
2006 37 37
2005 37 37
2004 14 14
1994 5 5
1993 5 5
1992 5 5 10
1991 5 5 5 15
1990 5 250 10 5 5 275
1989 250 250 500 250 250 1,500
1988 4,624 295 4,919
1987 250 250

▎ 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.