Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PHILLIPS 66 OLD OCEAN NGL FRACTIONATION PLANT
8189 OLD FM 524, OLD OCEAN, TX, 77463
Parent company: PHILLIPS 66 CO
Carcinogen
PBT
— 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 | Ammonia | Diethanolamine | n-Hexane | Benzene | Propylene | Total (lbs) |
| 2024 | 6,564 | 324 | 1,175 | 1,431 | 578 | 11,707 |
| 2023 | 6,189 | 4,755 | 2,177 | 1,117 | 508 | 16,326 |
| 2022 | 4,315 | 96 | 379 | 1,001 | 745 | 7,722 |
▎ 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.