Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AZZ ENCLOSURE SYSTEMS - CHATTANOOGA LLC
1919 W POLYMER DR, CHATTANOOGA, TN, 37421
Parent company: NA
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 | Ethylbenzene | Xylene (mixed isomers) | Toluene | Chromium | Manganese | Total (lbs) |
| 2020 | — | — | 12,139 | — | — | 12,139 |
| 2019 | 16,731 | 16,686 | — | — | — | 33,417 |
| 2014 | — | — | — | 3 | 3 | 9 |
| 2013 | — | — | — | 7 | 2 | 15 |
▎ 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.