Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MATHESON TRI-GAS INC - NEWARK BRANCH
6775 CENTRAL AVE, NEWARK, CA, 94560
Parent company: TAIYO NIPPON SANSO USA INC
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 | Chlorine | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Boron trichloride | Total (lbs) | ||
| 2010 | 5 | — | — | 5 | ||
| 2006 | 15 | — | — | 15 | ||
| 2005 | 10 | — | — | 10 | ||
| 2004 | 10 | — | — | 10 | ||
| 2003 | 10 | — | — | 10 | ||
| 2002 | 10 | — | — | 10 | ||
| 2001 | 10 | — | — | 10 | ||
| 2000 | 525 | — | — | 525 | ||
| 1999 | 35 | — | — | 35 | ||
| 1998 | 42 | — | — | 42 | ||
| 1997 | 11 | — | 4 | 15 | ||
| 1996 | 12 | — | 5 | 17 | ||
| 1994 | 500 | — | — | 500 | ||
| 1993 | 255 | — | — | 255 | ||
| 1992 | 10 | — | — | 10 | ||
| 1990 | — | 13 | — | 13 | ||
| 1989 | — | 10 | — | 10 | ||
| 1988 | — | 29 | — | 29 | ||
▎ 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.