Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PAR WEST REFINERY
91-480 MALAKOLE ST - CCB BUILDING, KAPOLEI, HI, 96707
Parent company: PAR PACIFIC HOLDINGS INC
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 | Propylene | Xylene (mixed isomers) | Toluene | n-Hexane | Naphthalene | Total (lbs) |
| 2021 | — | — | — | — | — | 2 |
| 2020 | — | 2,446 | 469 | 764 | 357 | 5,300 |
| 2019 | 15,110 | 7,674 | 5,292 | 1,870 | 1,375 | 35,807 |
▎ 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.