Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
CHARLES MACHINE WORKS INC
1959 W FIR AVE, PERRY, OK, 73077
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 | Xylene (mixed isomers) | Toluene | 1,2,4-Trimethylbenzene | Manganese | Sodium nitrite | Total (lbs) |
| 2024 | — | — | — | 255 | — | 255 |
| 2023 | — | — | — | 74 | — | 74 |
| 2022 | — | — | — | 78 | — | 78 |
| 2021 | — | — | — | 97 | — | 97 |
| 2020 | — | — | — | 255 | — | 255 |
| 2019 | — | — | — | 116 | — | 116 |
| 2018 | — | — | — | 82 | — | 82 |
| 2017 | — | — | — | 85 | — | 85 |
| 2016 | — | — | 10,233 | 96 | — | 10,329 |
| 2015 | — | — | — | 92 | — | 92 |
| 2014 | — | — | — | 108 | — | 108 |
| 2013 | — | — | — | 104 | — | 104 |
| 2012 | — | — | — | 106 | — | 107 |
| 2011 | — | — | — | 107 | — | 107 |
| 2010 | — | — | — | 80 | — | 80 |
| 2009 | — | — | — | 42 | — | 42 |
| 2008 | — | — | — | 92 | — | 92 |
| 2007 | — | — | — | 32 | 5 | 37 |
| 1996 | 17,000 | — | — | — | — | 17,000 |
| 1995 | 12,660 | — | — | — | — | 12,660 |
| 1994 | 44,960 | — | — | — | — | 44,960 |
| 1993 | 39,200 | 7,113 | — | — | — | 46,313 |
| 1992 | 33,113 | 7,663 | — | — | — | 40,776 |
| 1991 | 22,060 | 7,488 | — | — | — | 29,548 |
| 1990 | 31,464 | 3,271 | — | — | — | 34,735 |
| 1989 | 35,000 | 3,100 | — | — | — | 38,100 |
▎ 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.