Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ALUMINUM PRECISION PRODUCTS INC
2621 S SUSAN ST, SANTA ANA, CA, 92704
Parent company: ALUMINUM PRECISION PRODUCTS INC
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 | Nitric acid | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Zinc compounds | Copper | Total (lbs) | |
| 2024 | — | 5 | 2 | 0 | 7 | |
| 2023 | — | 11 | 2 | 0 | 13 | |
| 2022 | — | 4 | 1 | 0 | 5 | |
| 2021 | — | 8 | 2 | 0 | 10 | |
| 2020 | — | 4 | 1 | 0 | 5 | |
| 2019 | — | 25 | 4 | 0 | 30 | |
| 2018 | — | 14 | 3 | 0 | 18 | |
| 2017 | — | 5 | 5 | 5 | 15 | |
| 2016 | — | 5 | 5 | — | 10 | |
| 2015 | — | — | 5 | — | 5 | |
| 2014 | — | — | 5 | — | 5 | |
| 1994 | 5 | — | — | — | 5 | |
| 1993 | 250 | — | — | — | 250 | |
| 1992 | 250 | — | — | — | 250 | |
| 1991 | 250 | — | — | — | 250 | |
▎ 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.