Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
DOW CHEMICAL COLUMBUS OPERATIONS
1400 NORTON RD, COLUMBUS, OH, 43228
Parent company: DOW CHEMICAL 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 | Trichlorofluoromethane (CFC-11) | Freon 113 (CFC-113) | 1,1-Dichloro-1-fluoroethane (HCFC-141b) | 4,4'-Methylenedi(phenyl isocyanate) | Total (lbs) | |
| 1994 | 1,000 | — | 1,705 | 10 | 2,715 | |
| 1993 | 50,600 | — | — | 10 | 50,610 | |
| 1992 | 155,300 | 1,206 | — | 10 | 156,516 | |
| 1991 | 202,000 | — | — | 10 | 202,010 | |
| 1990 | — | — | — | 10 | 10 | |
| 1989 | — | 640 | — | — | 640 | |
▎ 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.