Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
FREIBORNE INDUSTRIES INC.
15 W SILVERDOME INDUSTRIAL PARK, PONTIAC, MI, 48342
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Zinc compounds | Nitric acid | Sodium nitrite | Phosphoric acid | Total (lbs) |
| 2003 | 195 | 130 | — | — | — | 325 |
| 2001 | 10 | 10 | 5 | 5 | — | 30 |
| 2000 | 15 | 15 | 15 | 5 | — | 50 |
| 1999 | 15 | 15 | 15 | 5 | — | 50 |
| 1998 | 15 | 15 | 15 | 15 | 15 | 75 |
| 1997 | 15 | 15 | 15 | 15 | 15 | 75 |
| 1996 | 15 | 15 | 15 | 15 | 15 | 75 |
▎ 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.