Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
OLDENBURG GROUP INC
1520 WADAMS ST, IRON RIVER, MI, 49935
Parent company: OLDENBURG GROUP INC
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 | Acetone | n-Butyl alcohol | Methanol | 1,2,4-Trimethylbenzene | Manganese | Total (lbs) |
| 2013 | — | 2,271 | 1,027 | 919 | — | 4,217 |
| 2007 | — | — | — | — | 52 | 52 |
| 2006 | — | — | — | — | 49 | 49 |
| 2001 | — | — | — | — | 49 | 49 |
| 1993 | 3,000 | — | — | — | — | 3,000 |
| 1992 | 3,000 | — | — | — | — | 3,000 |
▎ 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.