Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SMI-OWEN STEEL CO
825 GREENE ST, COLUMBIA, SC, 29201
Parent company: COMMERCIAL METALS CO
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 | Manganese | Chromium | Total (lbs) | |||
| 1993 | 828 | 281 | 1,109 | |||
| 1992 | 629 | 147 | 776 | |||
| 1991 | 659 | 117 | 776 | |||
| 1990 | 711 | 289 | 1,000 | |||
| 1989 | 728 | 411 | 1,139 | |||
▎ 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.