Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ASHLAND INC - TULSA
3535 W 21ST ST, TULSA, OK, 74107
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 | Xylene (mixed isomers) | Methanol | Styrene | Ethylene glycol | Total (lbs) | |
| 2008 | — | 144 | 10 | 4 | 158 | |
| 2006 | — | — | 18 | — | 18 | |
| 2000 | 158 | — | 5 | — | 163 | |
| 1999 | — | — | 3 | — | 3 | |
| 1998 | — | — | 7 | — | 7 | |
▎ 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.