Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BARMET ALUMINUM CORP, ROCKPORT RECYCLING DIV
COUNTY RD 50 W, ROCKPORT, IN, 476350066
Parent company: BARMET ALUMINUM CORP
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 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Aluminum (fume or dust) | Aluminum oxide (fibrous forms) | Total (lbs) | ||
| 1992 | 34,356 | 538 | — | 34,894 | ||
| 1991 | 62,466 | — | — | 62,466 | ||
| 1990 | 90,720 | 1,667 | — | 92,387 | ||
| 1989 | 83,250 | 3,100 | — | 86,350 | ||
| 1988 | 83,250 | 1,550 | 1,040 | 85,840 | ||
| 1987 | 83,250 | 1,550 | — | 84,800 | ||
▎ 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.