Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SAMUEL ADVANCED FABRICATION A DIV OF SAMUEL SON & CO.
6220 S TUCSON BLVD, TUCSON, AZ, 85706
Parent company: SAMUEL SON & CO LTD
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 | Chromium | Nickel | Manganese | Copper | Total (lbs) | |
| 2024 | 8 | 4 | 19 | 10 | 41 | |
| 2023 | 37 | 22 | 31 | 10 | 100 | |
| 2022 | 38 | 22 | 37 | 10 | 107 | |
| 2021 | 38 | 22 | 34 | 10 | 104 | |
| 2020 | 38 | 22 | 31 | 10 | 101 | |
| 2019 | 37 | 22 | — | 10 | 69 | |
| 2018 | 35 | 21 | — | 10 | 66 | |
| 2017 | 36 | 21 | — | 10 | 67 | |
| 2016 | 40 | 23 | — | 10 | 73 | |
| 2015 | 40 | 23 | — | 10 | 73 | |
| 2014 | 40 | 23 | — | 10 | 73 | |
| 2013 | 40 | 23 | — | 10 | 73 | |
▎ 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.