Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
WEST COAST CIRCUITS INC
1080 W BEACH ST, WATSONVILLE, CA, 95076
Parent company: NA
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 | Ammonia | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Certain glycol ethers | Copper compounds | Total (lbs) | |
| 1998 | — | — | — | 1 | 1 | |
| 1996 | — | — | — | 1 | 1 | |
| 1995 | — | — | — | 25 | 25 | |
| 1994 | 3,467 | — | — | 22 | 3,489 | |
| 1993 | 4,010 | 250 | — | 22 | 4,282 | |
| 1992 | 4,232 | 2,475 | — | 23 | 6,730 | |
| 1991 | 3,614 | 1,282 | — | 22 | 4,918 | |
| 1990 | 5,000 | 2,000 | 250 | 5 | 7,255 | |
| 1989 | 4,000 | 250 | 250 | 250 | 4,750 | |
▎ 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.