Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HEATEC INC.
5200 WILSON ROAD, CHATTANOOGA, TN, 37410
Parent company: ASTEC INDUSTRIES INC
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 | Manganese | Chromium | Nickel And Nickel Compounds | Nickel compounds | Total (lbs) | |
| 2023 | 15 | 2 | 2 | — | 20 | |
| 2022 | 18 | 3 | — | 3 | 24 | |
| 2021 | 19 | 3 | 3 | — | 25 | |
| 2020 | 10 | 2 | 2 | — | 13 | |
| 2019 | 32 | 2 | 2 | — | 36 | |
| 2018 | 58 | 2 | 2 | — | 63 | |
| 2017 | 63 | — | — | — | 63 | |
| 2016 | 48 | — | — | — | 48 | |
| 2015 | — | 250 | — | — | 250 | |
| 2014 | 50 | — | — | — | 50 | |
| 2013 | 43 | — | — | — | 43 | |
| 2012 | 55 | — | — | — | 55 | |
| 2011 | 53 | — | — | — | 53 | |
| 2010 | 66 | — | — | — | 66 | |
▎ 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.