Facility detail

NATIONAL STARCH & CHEMICAL CO THIEM DIV

9800 W ROGERS ST, WEST ALLIS, WI, 53227

Parent company: NATIONAL STARCH & CHEMICAL CO

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 Formaldehyde Methanol 1,1,1-Trichloroethane Toluene Butyl benzyl phthalate Total (lbs)
1990 2 2
1989 4,400 665 105 280 2 5,452
1988 615 315 75 1,005
1987 234 234

▎ 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.