Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
COLUMBUS CHEMICAL INDUSTRIES INC. EMPLOYEE STOCK OWNERSHIP P
4034 W WASHINGTON ST, PHOENIX, AZ, 85009
Parent company: COLUMBUS CHEMICAL INDUSTRIES 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 | Methanol | Hydrogen fluoride | Total (lbs) | ||
| 2024 | 124 | 3 | 8 | 136 | ||
| 2023 | 500 | 66 | 10 | 576 | ||
| 2022 | 342 | 500 | 10 | 852 | ||
| 2021 | 342 | 500 | 10 | 852 | ||
| 2020 | 342 | 500 | 10 | 852 | ||
| 2019 | 323 | 255 | — | 578 | ||
| 2018 | 347 | 255 | — | 602 | ||
| 2017 | 347 | 255 | — | 602 | ||
| 2016 | 102 | 255 | 10 | 367 | ||
| 2015 | 6 | 4 | 5 | 15 | ||
| 2014 | 6 | 4 | 8 | 18 | ||
| 2013 | 6 | 4 | 8 | 18 | ||
| 2012 | 6 | 4 | 8 | 18 | ||
| 2011 | 6 | 4 | 8 | 18 | ||
| 2010 | 6 | 4 | 8 | 18 | ||
| 2009 | 1 | 4 | 8 | 13 | ||
| 2008 | 10 | 42 | 10 | 62 | ||
▎ 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.