Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NIKKEI MC ALUMINUM AMERICA INC
6875 S INWOOD DR, COLUMBUS, IN, 47201
Parent company: NA
Carcinogen
PBT
— 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 | Aluminum (fume or dust) | Copper | Manganese | Nickel | Copper compounds | Total (lbs) |
| 2024 | — | 32 | 25 | 12 | — | 70 |
| 2023 | — | 34 | 14 | 14 | — | 63 |
| 2022 | — | 40 | 13 | 12 | — | 65 |
| 2021 | — | 34 | 8 | 3 | — | 45 |
| 2020 | — | 37 | 18 | 4 | — | 59 |
| 2019 | — | 25 | 7 | 4 | — | 36 |
| 2018 | — | 17 | 3 | 3 | — | 23 |
| 2017 | — | 35 | 31 | 6 | — | 72 |
| 2016 | — | 35 | 32 | 6 | — | 74 |
| 2003 | 8,339 | — | — | — | — | 8,339 |
| 2002 | 44,859 | — | — | — | — | 44,859 |
| 2001 | 40,065 | — | — | — | — | 40,075 |
| 2000 | 15 | — | — | — | — | 15 |
| 1999 | 750 | — | — | — | — | 750 |
| 1998 | 41 | — | — | — | 15 | 56 |
| 1997 | 505 | — | — | — | 15 | 520 |
| 1996 | 505 | — | — | — | 15 | 535 |
| 1995 | 5,555 | — | — | — | 15 | 5,585 |
| 1994 | 3,300 | — | — | — | — | 3,300 |
| 1993 | 3,100 | — | — | — | — | 3,100 |
| 1992 | 3,800 | — | — | — | — | 3,800 |
| 1991 | 4,400 | — | — | — | — | 4,400 |
| 1990 | 2,000 | — | — | — | — | 2,000 |
▎ 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.