Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
U.S. ARMY RIVERBANK ARMY AMMUNITION PLANT - NI INDUSTRIES
5300 CLAUS RD, RIVERBANK, CA, 95367
Parent company: TRIMAS CORP
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 | Zinc compounds | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Nitric acid | Manganese | Total (lbs) | |
| 1991 | 51 | — | — | 5 | 56 | |
| 1990 | 3,040 | — | — | — | 3,040 | |
| 1989 | — | 250 | 250 | — | 500 | |
| 1988 | — | 750 | — | — | 750 | |
▎ 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.