Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PREAKNESS GAS PLANT
1600 N SCREWBEAN RD, VAN HORN, TX, 79855
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 | Xylene (mixed isomers) | n-Hexane | Methanol | Benzene | Toluene | Total (lbs) |
| 2024 | 70 | 1,778 | 759 | 171 | 159 | 2,950 |
| 2023 | 83 | 2,160 | 1,125 | 200 | 187 | 3,773 |
| 2022 | 20,934 | 2,014 | 2,073 | 368 | 352 | 25,774 |
▎ 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.