Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MARPORT SMELTING LCC
4323 KENNEDY AVE, EAST CHICAGO, IN, 46312
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 | Aluminum oxide (fibrous forms) | Manganese | Manganese compounds | Zinc compounds | Total (lbs) |
| 1998 | — | — | — | — | 170 | 358 |
| 1997 | — | — | — | — | 250 | 460 |
| 1996 | — | — | — | — | 50 | 91 |
| 1995 | — | — | — | — | 83 | 169 |
| 1994 | — | — | — | — | 83 | 169 |
| 1993 | 37,000 | — | — | — | — | 37,000 |
| 1992 | 30,000 | — | 9,000 | — | — | 39,000 |
| 1991 | — | — | — | 180 | — | 180 |
| 1989 | — | — | — | 500 | — | 500 |
| 1988 | — | 21,000 | — | — | — | 21,000 |
▎ 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.