Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BENDA TOOL & MODEL WORKS
900 ALFRED NOBEL DR, HERCULES, CA, 94547
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 | Copper | Aluminum (fume or dust) | Zinc (fume or dust) | Total (lbs) | ||
| 2024 | — | 24 | 2 | 26 | ||
| 2023 | — | 28 | 2 | 30 | ||
| 2022 | — | — | 3 | 3 | ||
| 2021 | — | — | 2 | 2 | ||
| 2019 | — | — | 2 | 2 | ||
| 2017 | — | — | 2 | 2 | ||
| 2014 | 30 | — | — | 30 | ||
| 2013 | 23 | — | — | 23 | ||
| 2012 | 49 | — | — | 49 | ||
| 2010 | 57 | — | — | 57 | ||
| 2009 | 32 | — | — | 32 | ||
| 2008 | 53 | — | — | 53 | ||
| 2007 | 53 | — | — | 53 | ||
| 2001 | 30 | — | — | 30 | ||
| 2000 | 95 | — | — | 95 | ||
▎ 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.