Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
TECSTAR INC
15251 E DON JULIAN RD, LA PUENTE, CA, 91745
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 | Acetone | Isopropyl alcohol (only persons who manufacture by the strong acid process are subject, no supplier notification) | Methanol | 1,1,1-Trichloroethane | Ammonia | Total (lbs) |
| 1996 | — | — | — | — | — | 500 |
| 1995 | — | — | — | — | 255 | 505 |
| 1994 | — | — | — | — | 255 | 755 |
| 1993 | 3,196 | — | — | — | 255 | 3,951 |
| 1992 | 8,999 | — | — | — | 750 | 9,749 |
| 1991 | 8,682 | — | — | — | 750 | 9,932 |
| 1990 | 7,509 | — | — | — | 250 | 8,264 |
| 1989 | 66,950 | 14,050 | 13,700 | 11,650 | 250 | 107,600 |
| 1988 | — | — | — | — | 250 | 500 |
| 1987 | 13,250 | — | — | — | — | 13,750 |
▎ 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.