Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
METAL DYNAMICS CORP
1145 N IROQUOIS, TULSA, OK, 74106
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 | Copper | Nickel | Aluminum (fume or dust) | Total (lbs) | ||
| 2021 | 250 | 250 | — | 500 | ||
| 2020 | 250 | 250 | — | 500 | ||
| 2019 | 250 | 250 | — | 500 | ||
| 2018 | 250 | 250 | — | 500 | ||
| 2017 | 97 | 16 | — | 113 | ||
| 2016 | 83 | 17 | — | 100 | ||
| 2015 | 152 | 32 | — | 184 | ||
| 2014 | 181 | 41 | — | 222 | ||
| 2013 | 203 | 38 | — | 241 | ||
| 2012 | 205 | 49 | — | 254 | ||
| 2011 | 193 | 53 | — | 246 | ||
| 2010 | 160 | 35 | — | 195 | ||
| 2009 | 184 | 45 | — | 229 | ||
| 2008 | 272 | 50 | — | 322 | ||
| 2007 | 246 | 37 | — | 283 | ||
| 2006 | 131 | 33 | — | 164 | ||
| 2005 | 207 | 34 | — | 241 | ||
| 2004 | 200 | 33 | — | 233 | ||
| 2003 | 201 | 33 | — | 234 | ||
| 2002 | 174 | 35 | — | 209 | ||
| 2001 | 259 | 50 | — | 309 | ||
| 2000 | 8,000 | — | — | 8,000 | ||
| 1999 | 8,260 | — | — | 8,260 | ||
| 1997 | 8,488 | — | — | 8,488 | ||
| 1996 | 1,611 | — | — | 1,611 | ||
| 1995 | 6,466 | — | — | 6,466 | ||
| 1994 | 7,532 | 2,524 | — | 10,056 | ||
| 1993 | 15,778 | — | — | 15,778 | ||
| 1992 | 10,665 | — | — | 10,665 | ||
| 1991 | 8,207 | 750 | 750 | 9,707 | ||
| 1990 | 6,108 | 541 | 264 | 6,913 | ||
| 1989 | 4,326 | — | 170 | 4,496 | ||
▎ 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.