Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
ONEOK HYDROCARBON L.P. - MEDFORD FRACTIONATOR
2001 HIGHWAY 81, MEDFORD, OK, 73759
Parent company: ONEOK PARTNERS LP
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 | Cyclohexane | Benzene | Total (lbs) | ||
| 2022 | 84,855 | 16,017 | 7,611 | 108,483 | ||
▎ 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.