Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MERTZ MANUFACTURING INC
1701 N WAVERLY, PONCA CITY, OK, 74601
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 | Ethylbenzene | Methyl isobutyl ketone | Chromium | Total (lbs) |
| 2024 | 11,093 | — | 2,842 | — | 126 | 14,163 |
| 2023 | 12,911 | — | 3,276 | — | 125 | 16,412 |
| 2022 | 10,570 | — | 2,733 | — | 113 | 13,507 |
| 2021 | 5,480 | — | — | — | 83 | 5,630 |
| 2020 | 3,536 | — | — | — | 42 | 3,612 |
| 2019 | 10,407 | — | — | — | 146 | 10,671 |
| 2018 | 22,340 | — | — | — | — | 22,690 |
| 2017 | 14,479 | — | — | — | 169 | 14,783 |
| 2016 | 4,460 | — | — | — | 70 | 4,586 |
| 2015 | 9,791 | — | — | — | 130 | 10,025 |
| 2014 | 11,775 | — | — | — | 166 | 12,075 |
| 2013 | — | — | — | — | 130 | 232 |
| 2012 | — | — | — | — | — | 138 |
| 2011 | — | — | — | — | — | 61 |
| 2010 | — | — | — | — | — | 54 |
| 2007 | 14,935 | 49,876 | 9,673 | 10,452 | — | 84,936 |
| 2006 | 14,935 | 49,876 | 9,673 | 10,452 | — | 84,936 |
| 2005 | — | 750 | 500 | 457 | — | 1,707 |
| 2004 | — | 750 | 1,500 | 750 | — | 3,000 |
| 2003 | — | 750 | 1,000 | 250 | — | 2,500 |
| 2002 | — | — | — | — | 750 | 1,500 |
| 2001 | — | 4,356 | 2,894 | 1,505 | 750 | 13,149 |
| 2000 | — | — | — | — | 750 | 1,500 |
| 1999 | — | — | — | — | 750 | 1,500 |
| 1998 | — | — | — | — | 750 | 1,500 |
| 1997 | — | — | — | — | 750 | 1,500 |
| 1996 | — | — | — | — | — | 2,000 |
▎ 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.