Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PCC ROLLMET INC
1822 DEERE AVE, IRVINE, CA, 92606
Parent company: BERKSHIRE HATHAWAY INC
Carcinogen
— EPA classifications across all reporting years
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 | Nickel | Chromium | Nitric acid | Molybdenum trioxide | Copper | Total (lbs) |
| 2024 | 17 | — | — | — | — | 17 |
| 2021 | 75 | 27 | — | — | — | 102 |
| 2020 | 20 | — | — | — | — | 20 |
| 2019 | 5 | 2 | — | — | — | 7 |
| 2018 | 14 | — | — | — | — | 14 |
| 2017 | 6 | 5 | — | — | — | 11 |
| 2016 | 7 | 5 | — | — | — | 12 |
| 2015 | 7 | 5 | — | 5 | 5 | 22 |
| 2014 | 5 | 5 | — | 5 | — | 15 |
| 2013 | 5 | 5 | — | — | 5 | 15 |
| 2012 | 5 | 5 | 14 | — | — | 25 |
| 2010 | 5 | 5 | — | — | — | 10 |
| 2009 | 5 | 5 | — | — | — | 10 |
| 2008 | 5 | 5 | — | — | — | 10 |
| 2007 | 5 | 5 | — | — | — | 10 |
| 2006 | 5 | 5 | — | — | — | 10 |
▎ 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.