Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
FREIBORNE INDUSTRIES INC
1212 E MAPLE RD, TROY, MI, 48083
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 | Nitric acid | Phosphoric acid | Zinc compounds | Zinc (fume or dust) | Sodium hydroxide (solution) | Total (lbs) |
| 1995 | 260 | 260 | 260 | — | — | 810 |
| 1994 | 260 | 260 | 260 | — | — | 780 |
| 1993 | 260 | 260 | 260 | — | — | 780 |
| 1992 | 505 | 505 | 505 | — | — | 1,515 |
| 1991 | 505 | 505 | 505 | — | — | 1,515 |
| 1990 | 750 | 750 | 750 | — | — | 2,250 |
| 1989 | 750 | 750 | — | 750 | — | 2,250 |
| 1988 | — | — | — | 750 | — | 750 |
| 1987 | — | — | — | — | 750 | 750 |
▎ 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.