Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SUMMIT MACHINE LLC
2880 E PHILADELPHIA STREET, ONTARIO, CA, 91761
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 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.
| Year | Nickel | Chromium | Cobalt | Copper | Total |
|---|---|---|---|---|---|
| 2023 | 2 | 1 | — | — | 3 |
| 2022 | 1 | — | — | — | 1 |
| 2021 | 3 | 1 | — | — | 4 |
| 2020 | 2 | 1 | — | — | 3 |
| 2019 | 7 | 2 | — | — | 9 |
| 2018 | 23 | 8 | 3 | — | 34 |
| 2017 | 10 | 3 | 1 | 0 | 14 |
| 2016 | 18 | 6 | 1 | 0 | 25 |
| 2015 | 15 | 5 | 1 | 0 | 21 |
| 2014 | 12 | 4 | 1 | — | 17 |
| 2013 | 17 | 6 | 1 | — | 24 |
| 2012 | 25 | 6 | 1 | — | 32 |
| 2011 | 20 | 5 | 1 | — | 26 |
| 2010 | 22 | 4 | 1 | — | 27 |
| 2009 | 17 | 4 | — | — | 21 |