Year-over-year total releases
Reported on-site TRI releases in pounds, 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 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.
| Year | Copper | Dichloromethane | Tetrachloroethylene | Lead | Total |
|---|---|---|---|---|---|
| 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 |