Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ASHLAND INC COLUMBIA
729 MAUNEY DR, COLUMBIA, SC, 29201
Parent company: ASHLAND INC
Carcinogen
— EPA classifications across all reporting years
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 | n-Hexane | Dichloromethane | Toluene | Methyl ethyl ketone | Di(2-ethylhexyl) phthalate | Total (lbs) |
| 2008 | 3,678 | 2,377 | 297 | — | — | 6,467 |
| 2007 | 3,926 | 3,421 | 366 | — | — | 7,713 |
| 2006 | 4,238 | 2,867 | 389 | — | 162 | 7,656 |
| 2005 | 4,011 | 2,917 | 496 | — | 165 | 7,720 |
| 2004 | 3,535 | 945 | 747 | — | 164 | 5,632 |
| 1998 | 1,407 | 1,650 | 1,580 | 860 | — | 5,765 |
▎ 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.