Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
25323 RYE CANYON ROAD, VALENCIA, CA, 91355
Parent company: BERKSHIRE HATHAWAY INC
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
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 | 1,1,1-Trichloroethane | Zinc compounds | Copper | Nickel | Total (lbs) | |
| 2021 | — | — | 0 | 0 | 1 | |
| 2002 | — | 250 | — | — | 250 | |
| 1993 | 5,456 | — | — | — | 5,456 | |
| 1992 | 14,535 | — | — | — | 14,535 | |
| 1991 | 19,425 | — | — | — | 19,425 | |
| 1990 | 24,000 | — | — | — | 24,000 | |
▎ 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.