Facility detail

MPC CO LLC

939 E WASHINGTON AVE, MADISON, WI, 53707

Parent company: NA

Carcinogen — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 1,2,4-Trimethylbenzene Ethylene glycol Certain glycol ethers Total (lbs)
2000 650 — 918 — — 1,568
1999 1,104 — 654 — — 2,034
1998 1,203 — — — — 1,639
1997 1,147 — — — — 1,277
1996 974 — — — — 974
1995 889 463 — — — 1,352
1994 879 750 — — — 1,629
1993 1,315 750 — — — 2,065
1992 1,400 250 — — 250 1,900
1991 1,200 200 — 250 — 1,650
1990 1,800 250 — — 730 2,790
1989 500 — — 500 — 1,000
1988 — — — 500 — 500

▎ 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.