Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SUPERIOR INDUSTRIES INTERNATIONAL INC MIDWEST PLATING DIV
1515 S AVALON, WEST MEMPHIS, AR, 72301
Parent company: SUPERIOR INDUSTRIES INTERNATIONAL INC
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 | Nitric acid | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) | |||
| 1995 | 750 | — | 750 | |||
| 1994 | 645 | — | 645 | |||
| 1993 | 2,138 | 42 | 2,180 | |||
| 1992 | 1,276 | 14 | 1,290 | |||
| 1991 | 2,970 | 1,190 | 4,160 | |||
▎ 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.