Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
QUALITY TECH
3400 HILLVIEW AVE, PALO ALTO, CA, 94304
Parent company: QUALITY TECH
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 | Hydrogen fluoride | Xylene (mixed isomers) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sodium hydroxide (solution) | Phosphoric acid | Total |
|---|---|---|---|---|---|---|
| 1989 | 500 | 2,177 | 1,000 | — | — | 3,677 |
| 1988 | — | — | 1,000 | 500 | — | 1,500 |
| 1987 | 59,860 | — | — | — | 250 | 60,110 |