Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BISON METAL TECHNOLOGIES
41600 WOLVERINE RD, SHAWNEE, OK, 74804
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 | Copper | Dichloromethane | Tetrachloroethylene | Lead | Total (lbs) | |
| 2023 | 5 | — | — | 0 | 5 | |
| 2022 | 117 | — | — | 0 | 117 | |
| 2021 | 118 | — | — | 0 | 118 | |
| 2020 | 34 | — | — | — | 34 | |
| 2019 | 59 | — | — | — | 59 | |
| 2018 | 69 | — | — | — | 69 | |
| 2017 | 210 | — | — | — | 210 | |
| 2016 | 266 | — | — | — | 266 | |
| 2015 | 274 | — | — | — | 274 | |
| 2014 | 285 | — | — | — | 285 | |
| 2013 | 269 | — | — | — | 269 | |
| 2012 | 281 | — | — | — | 281 | |
| 2011 | 281 | — | — | — | 281 | |
| 2010 | 270 | — | — | — | 270 | |
| 2009 | 270 | — | — | — | 270 | |
| 2008 | 270 | — | — | — | 270 | |
| 2007 | 270 | — | — | — | 270 | |
| 2006 | 270 | — | — | — | 270 | |
| 2005 | 270 | — | — | — | 270 | |
| 2004 | 270 | — | — | 63 | 333 | |
| 2003 | 270 | — | — | 63 | 333 | |
| 2002 | 270 | — | — | 63 | 333 | |
| 2001 | 270 | — | — | — | 270 | |
| 2000 | 270 | — | — | — | 270 | |
| 1999 | 270 | — | — | — | 270 | |
| 1998 | 185 | — | — | — | 185 | |
| 1997 | 185 | — | — | — | 185 | |
| 1996 | 200 | — | — | — | 200 | |
| 1995 | 201 | — | — | — | 201 | |
| 1994 | 209 | — | — | — | 209 | |
| 1993 | 500 | — | — | — | 500 | |
| 1992 | 1,000 | — | — | — | 1,000 | |
| 1991 | 500 | — | — | — | 500 | |
| 1990 | 500 | 250 | 250 | — | 1,000 | |
| 1989 | 48,800 | — | — | — | 48,800 | |
| 1988 | 48,800 | — | — | — | 48,800 | |
| 1987 | 55,000 | — | — | — | 55,000 | |
▎ 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.