Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
AM/NS CALVERT LLC
1 AM NS WAY, CALVERT, AL, 36513
Parent company: NA
Carcinogen
PBT
— 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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Chromium compounds (except for chromite ore mined in the Transvaal Region) | Zinc compounds | Nickel compounds | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | Total (lbs) |
| 2024 | 15,168 | 1,934 | — | 502 | — | 17,708 |
| 2023 | 15,548 | 381 | — | 322 | — | 16,266 |
| 2022 | 16,005 | 311 | — | 176 | — | 16,514 |
| 2021 | 20,837 | 176 | — | 54 | — | 21,126 |
| 2020 | 16,417 | 211 | — | 30 | — | 16,667 |
| 2019 | 17,395 | — | 1,151 | 52 | 332 | 18,940 |
| 2018 | 17,107 | — | 1 | — | 1,005 | 18,154 |
| 2017 | 17,247 | 3,373 | 901 | 65 | — | 22,052 |
| 2016 | 17,043 | 984 | 969 | 56 | — | 19,204 |
| 2015 | 16,629 | 763 | 96 | 104 | — | 17,671 |
| 2014 | 14,498 | 1,893 | 887 | 131 | — | 17,600 |
| 2013 | 15,906 | 505 | — | 750 | — | 17,173 |
| 2012 | — | 260 | — | 505 | — | 775 |
| 2011 | — | 6 | — | — | — | 11 |
| 2010 | — | 33 | — | 12 | — | 96 |
| 2009 | — | — | — | — | — | 708 |
| 2008 | — | — | — | — | — | 262 |
▎ 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.