Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
HULL UNDERGROUND STORAGE
E OF HWY 834 END OF MOBIL RD, HULL, TX, 77564
Parent company: MOBIL OIL CORP
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 | Ethylene | Propylene | Total (lbs) | |||
| 1999 | 14,008 | 12,007 | 26,015 | |||
| 1998 | 8,619 | 2,305 | 10,924 | |||
▎ 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.