Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HADCO TECH CENTER W
78 HANGAR WAY, WATSONVILLE, CA, 950760078
Parent company: SANMINA CORP
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 | Sodium sulfate (solution) | Nitric acid | Total (lbs) |
| 2002 | — | — | 10 | — | — | 10 |
| 2001 | — | — | 10 | — | — | 10 |
| 2000 | — | — | 10 | — | — | 10 |
| 1999 | — | — | 10 | — | 10 | 20 |
| 1997 | 431 | — | — | — | — | 431 |
| 1996 | 494 | — | — | — | — | 494 |
| 1994 | 898 | 119 | — | — | — | 1,017 |
| 1993 | 671 | 82 | — | — | — | 753 |
| 1992 | 731 | 46 | — | — | — | 777 |
| 1991 | 1,000 | 46 | — | — | — | 1,046 |
| 1990 | 255 | 500 | 250 | — | — | 1,005 |
| 1989 | 1,000 | 500 | — | — | — | 1,500 |
| 1988 | 500 | — | — | — | — | 500 |
| 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.