Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MPLX TERMINALS LLC - STEUBENVILLE OH TERMINAL
436 KINGSDALE RD, STEUBENVILLE, OH, 43952
Parent company: MARATHON PETROLEUM CORP
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 | Toluene | Benzene | Xylene (mixed isomers) | Cyclohexane | Total (lbs) |
| 2019 | 289 | 240 | 165 | 97 | 89 | 905 |
▎ 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.