Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MADISON INC
8500 NEW SAPULPA RD, TULSA, OK, 74131
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) | Nickel | Chromium | Manganese | Copper | Total (lbs) |
| 2013 | — | 500 | 750 | — | — | 1,250 |
| 2012 | — | 500 | 750 | — | — | 1,250 |
| 2006 | — | — | — | 4 | — | 4 |
| 2005 | — | — | — | 4 | — | 4 |
| 2004 | — | — | — | 5 | 3 | 8 |
| 2003 | — | — | — | 2 | — | 2 |
| 2002 | — | 3 | 3 | 2 | — | 8 |
| 2001 | — | 4 | 4 | 4 | — | 12 |
| 2000 | — | 81 | 47 | 100 | — | 228 |
| 1999 | — | 74 | 43 | 91 | — | 208 |
| 1998 | — | 73 | 32 | 75 | — | 180 |
| 1997 | — | 93 | 39 | 88 | — | 220 |
| 1996 | 14,000 | 57 | 35 | 112 | — | 14,204 |
| 1995 | 15,000 | 255 | 255 | 255 | — | 15,765 |
| 1994 | — | 255 | 255 | 255 | — | 765 |
| 1993 | 20,000 | 255 | 255 | 255 | — | 20,765 |
| 1992 | — | 255 | 255 | 255 | — | 765 |
| 1991 | — | 250 | 5 | 5 | — | 260 |
| 1990 | — | 255 | 255 | 255 | — | 765 |
| 1989 | — | 500 | 255 | 500 | — | 1,255 |
| 1988 | — | — | 5 | 250 | — | 255 |
▎ 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.