Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STRUCTRON CORP
1980 DIAMOND ST, SAN MARCOS, CA, 920695123
Parent company: SEYMOUR MANUFACTURING CO INC
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 | Acetone | Styrene | Total (lbs) | |||
| 1997 | — | 1,927 | 1,927 | |||
| 1996 | — | 3,255 | 3,255 | |||
| 1995 | — | 2,736 | 2,736 | |||
| 1994 | — | 1,550 | 1,550 | |||
| 1993 | — | 1,452 | 1,452 | |||
| 1992 | 3,643 | 1,628 | 5,271 | |||
| 1991 | 7,295 | 5,019 | 12,314 | |||
| 1990 | 10,972 | 6,319 | 17,291 | |||
| 1989 | 20,707 | 5,134 | 25,841 | |||
| 1988 | 13,802 | 5,365 | 19,167 | |||
| 1987 | 16,634 | 5,950 | 22,584 | |||
▎ 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.