Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
6220 S TUCSON BLVD, TUCSON, AZ, 85706
Parent company: SAMUEL SON & CO LTD
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Chromium | Nickel | Manganese | Copper | Total |
|---|---|---|---|---|---|
| 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 |