Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AEROCRAFT HEAT TREATING CO. INC
15701 MINNESOTA AVENUE, PARAMOUNT, CA, 90723
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 | Methanol | Nickel | Chromium | Copper | Cobalt | Total (lbs) |
| 2024 | — | 2 | 1 | — | — | 3 |
| 2023 | — | 2 | 1 | — | — | 3 |
| 2022 | — | 1 | 1 | — | — | 2 |
| 2021 | — | 3 | 1 | — | — | 4 |
| 2020 | — | 3 | 1 | — | — | 4 |
| 2019 | — | 1 | — | — | — | 1 |
| 2018 | — | 2 | 1 | — | — | 3 |
| 2017 | — | 1 | 5 | 2 | — | 8 |
| 2016 | — | — | 3 | — | — | 3 |
| 2012 | — | 5 | 5 | 5 | 5 | 20 |
| 2011 | 17,000 | 5 | 5 | 5 | 5 | 17,020 |
| 2010 | 20,000 | 5 | 5 | 5 | 5 | 20,020 |
| 2009 | — | 5 | 5 | 5 | 5 | 20 |
| 2008 | — | 5 | 5 | 5 | 5 | 20 |
| 2007 | — | 5 | 5 | 5 | 5 | 20 |
| 2006 | — | 5 | 5 | 5 | 5 | 20 |
▎ 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.