Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
PIONEER CRYOGENIC PLANT
1241 WYOMING STATE HIGHWAY 240, OPAL, WY, 83124
Parent company: ENTERPRISE PRODUCTS OPERATING LLC
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 | n-Hexane | Benzene | Toluene | Cyclohexane | Total (lbs) | |
| 2024 | 10,800 | 2,190 | 2,120 | — | 15,110 | |
| 2023 | 2,460 | 360 | 330 | 250 | 3,400 | |
| 2022 | 1,280 | 26 | 90 | — | 1,396 | |
▎ 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.