Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
SMITHBURG GAS PLANT
253 SNOWBIRD ROAD, WEST UNION, WV, 26456
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 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.
| Year | n-Hexane | Benzene | Toluene | Total |
|---|---|---|---|---|
| 2024 | 15,000 | 4 | — | 15,004 |
| 2023 | 2,960 | 6 | 4 | 2,970 |
| 2022 | 1,200 | — | — | 1,200 |