Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CIRCUIT WORKS INC
152 FRANK WEST CIRCLE, STOCKTON, CA, 95206
Parent company: NA
Carcinogen
— EPA classifications across all reporting years
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) | Copper compounds | Nitric acid | Formaldehyde | Total (lbs) |
| 1990 | 8,150 | 2,350 | 1,000 | 500 | 250 | 12,250 |
| 1989 | 9,050 | 2,350 | 1,000 | 500 | — | 13,400 |
| 1988 | 8,753 | — | 750 | — | 250 | 9,753 |
▎ 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.