Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BIG SKY SCIENTIFIC L.L.C.
13786 MT HIGHWAY 200, SUN RIVER, MT, 59483
Parent company: NA
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 | Methanol | Total (lbs) | ||||
| 2024 | 558,482 | 558,482 | ||||
| 2023 | 282,773 | 282,773 | ||||
| 2022 | 335,061 | 335,061 | ||||
| 2021 | 1,360 | 1,360 | ||||
| 2020 | 106 | 106 | ||||
| 2019 | 318 | 318 | ||||
▎ 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.