Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ALZA CORP
2575 HANOVER ST, PALO ALTO, CA, 943030802
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 | Dichloromethane | Methanol | Total (lbs) | |||
| 1991 | 11,739 | — | 11,739 | |||
| 1990 | 3,684 | 500 | 4,184 | |||
| 1989 | 816 | — | 816 | |||
| 1988 | 9,550 | — | 9,550 | |||
▎ 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.