Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PHIBRO-TECH INC
34400 ZWISSIG WAY, UNION CITY, CA, 94587
Parent company: PHILLIP BROTHERS CHEMICALS
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 | Ammonia | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |||
| 1997 | 5 | — | 5 | |||
| 1996 | 32 | — | 32 | |||
| 1995 | 452 | — | 452 | |||
| 1994 | 410 | — | 410 | |||
| 1993 | 205 | — | 205 | |||
| 1992 | 610 | 33 | 643 | |||
| 1991 | 1,464 | 80 | 1,544 | |||
| 1990 | 2,100 | 110 | 2,210 | |||
| 1989 | 2,002 | 107 | 2,109 | |||
| 1988 | 2,002 | 107 | 2,109 | |||
| 1987 | 2,002 | — | 2,002 | |||
▎ 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.