Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
COHERENT LASER PRODS DIV
3210 PORTER DR, PALO ALTO, CA, 94304
Parent company: COHERENT INC
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Freon 113 (CFC-113) | Ammonia | Total |
|---|---|---|---|
| 1993 | — | 10 | 10 |
| 1992 | — | 10 | 10 |
| 1991 | — | 10 | 10 |
| 1990 | 7,307 | 10 | 7,317 |
| 1989 | 52,405 | — | 52,405 |