Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ALPHA INDUSTRIES INC
615 CENTER ST, LOGANSPORT, IN, 46947
Parent company: NA
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 | Zinc (fume or dust) | Chromium | Zinc compounds | Total (lbs) | |
| 1992 | — | — | — | 16 | 16 | |
| 1991 | 47 | — | 28 | 18 | 93 | |
| 1990 | 59 | 68 | 35 | — | 162 | |
| 1989 | 80 | 80 | 40 | — | 200 | |
| 1988 | 150 | — | — | — | 150 | |
▎ 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.