Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
C L DEWS & SONS FOUNDRY & MACHINERY CO INC
1600 EDWARDS ST, HATTIESBURG, MS, 39401
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 | Diisocyanates | Aluminum oxide (fibrous forms) | Naphthalene | Chromium | Phenol | Total (lbs) |
| 2024 | — | — | — | 564 | — | 591 |
| 2023 | — | — | — | 630 | — | 666 |
| 2022 | — | — | — | 586 | — | 620 |
| 2021 | — | — | — | 464 | — | 509 |
| 2020 | — | — | — | 382 | — | 421 |
| 2019 | — | — | — | 1,011 | — | 1,071 |
| 2018 | — | — | — | 971 | — | 1,033 |
| 2017 | 68 | — | — | 856 | — | 975 |
| 2016 | 67 | — | — | 1,182 | — | 1,289 |
| 2015 | 68 | — | — | 1,246 | — | 1,374 |
| 2014 | 67 | — | — | 1,284 | — | 1,436 |
| 2013 | 65 | — | — | 1,033 | — | 1,164 |
| 2012 | 40 | — | — | 1,956 | — | 2,082 |
| 2011 | 89 | — | — | 1,460 | — | 1,634 |
| 2010 | 94 | — | — | 2,360 | — | 2,545 |
| 2009 | 4 | — | — | 1,680 | — | 1,792 |
| 2008 | 3 | — | — | 2,635 | — | 2,763 |
| 2007 | 49,558 | — | — | 3,396 | — | 53,116 |
| 2006 | 70,325 | 154,016 | 18,948 | 3,259 | 10,524 | 257,199 |
| 2005 | 48,587 | — | 8,513 | 4,341 | 4,683 | 66,307 |
| 2004 | 42,022 | — | 7,354 | 3,490 | 4,077 | 57,094 |
▎ 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.