Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
JONES-HAMILTON CO
8400 ENTERPRISE DR, NEWARK, CA, 945603310
Parent company: NA
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |||
| 2001 | — | 2 | 2 | |||
| 2000 | — | 2 | 2 | |||
| 1999 | — | 2 | 2 | |||
| 1998 | — | 2 | 2 | |||
| 1997 | — | 3 | 3 | |||
| 1996 | — | 7 | 7 | |||
| 1995 | — | 2 | 2 | |||
| 1994 | 500 | 255 | 755 | |||
| 1993 | — | 255 | 255 | |||
| 1992 | 500 | 500 | 1,000 | |||
| 1991 | 500 | 255 | 755 | |||
| 1990 | 505 | 369 | 874 | |||
| 1989 | 500 | 394 | 894 | |||
▎ 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.