EPA TRI Facility · Miscellaneous Manufacturing
Big Sky Scientific L.L.C.
Sun River, MT
- Total releases
- 626.5K lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Big Sky Scientific L.L.C.: how the 626.5K lbs splits
626.5K lbs across all reported pathways
- Air Releases 619.6K lbs 98.9%
- Off-site Transfers 6.9K lbs 1.1%
Big Sky Scientific L.L.C.'s 626.5K lbs Form-R total is AIR - air releases is 98.9% of the bar. Next segment: off-site transfers at 1.1%. Leading chemical by pounds: Methanol.
MID volume AIR pathway CLEAN
Big Sky Scientific L.L.C. is an EPA Toxics Release Inventory reporter in Sun River, MT, in the miscellaneous manufacturing sector. It reported 282.8K lbs of releases across 1 chemical in 2023, and 626.5K lbs in total across its 2019-2023 reporting years. That ranks 1,703 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Montana's 67 reporting TRI sites, pounds #1 is not chemical-count #1. Big Sky Scientific L.L.C. is pounds #10 and chemical-count #49 at 626.5K lbs. Montana Resources LLC leads reported pounds (215.2M lbs) at 12 chemicals (chemical-count #11). Phillips 66 Co Billings Refinery leads chemical count at 39 chemicals (465.0K lbs, pounds #16). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Calumet Montana Refining Llc.; US Dod Usaf Malmstrom Afb; Helena Sand & Gravel Inc; US Army National Guard Fort Harrison Ranges. Similar-scale Miscellaneous Manufacturing peers outside Montana: Cr Bard; Armstrong World Industries Inc; Acushnet Co Ball Plant II; Kovalus Separation Solutions Inc.. Largest disclosed chemicals by pounds: Methanol.
Big Sky Scientific L.L.C. stamps MID volume with a dominant AIR pathway (98.9% air releases) across 1 chemical. Cumulative Form-R extract: 626.5K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Cr Bard and Armstrong World Industries Inc.
Big Sky Scientific L.L.C. vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
627K lbs Top 7% higher than 93% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Big Sky Scientific L.L.C. inside Cascade's TRI pounds
Among the 371 Miscellaneous Manufacturing facilities in this database, Big Sky Scientific L.L.C. reports the 6th-largest volume, placing it in the top 1.6% of its sector. This one site accounts for 50.2% of every pound reported in Cascade. Its reported volume is concentrated rather than spread: Methanol alone is 100% of the total. Scale peers outside Montana include Cr Bard and Armstrong World Industries Inc.
County-dominant here means ≥25% of Cascade's reported pounds (1.2M lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Big Sky Scientific L.L.C.'s total reported releases fell from 335.1 thousand lb in 2022 to 282.8 thousand lb in 2023, based on EPA TRI filings.
- Big Sky Scientific L.L.C.'s air releases fell from 335.1 thousand lb in 2022 to 282.8 thousand lb in 2023, based on EPA TRI filings.
Big Sky Scientific L.L.C. Form-R facts
Compare this facility
See how Big Sky Scientific L.L.C. stacks up against nearby facilities and the typical reporter.
About the same as the comparison
95% less than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Big Sky Scientific L.L.C. releases toxic chemicals into the environment. Total: 626.5K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 8690% (3.2K lbs to 282.8K lbs).
Big Sky Scientific L.L.C.: annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Big Sky Scientific L.L.C. year-over-year reported totals (increased by 8690% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Methanol.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 3.2K lbs | 1 |
| 2020 | 4.1K lbs | 1 |
| 2021 | 1.4K lbs | 1 |
| 2022 | 335.1K lbs | 1 |
| 2023 | 282.8K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Methanol | 626.5K lbs | - |
Big Sky Scientific L.L.C. · AIR-pathway site
Nearest TRI Facilities to Big Sky Scientific L.L.C.
Closest other reporters in Montana - including Calumet Montana Refining Llc., US Dod Usaf Malmstrom Afb, Helena Sand & Gravel Inc, ordered by distance.
Showing 8 of 66 other reporting facilities in Montana.
Similar Miscellaneous Manufacturing Facilities
Other Miscellaneous Manufacturing facilities with similar total release volumes (±80%), outside Montana - e.g. Cr Bard, Armstrong World Industries Inc, Acushnet Co Ball Plant II.
Compare beyond Montana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Big Sky Scientific L.L.C. on cumulative reported pounds (626.5K lbs) and distinct chemical count (1). Release-pound peers include Championx-Scott, Dixie Chemical Co Inc, Ameren Missouri Rush Island Energy Center. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Methanol; nearby reporters include Calumet Montana Refining Llc.. Big Sky Scientific L.L.C. stamps MID volume · AIR pathway · CLEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Big Sky Scientific L.L.C. TRI extract (MID · AIR · CLEAN · lead Methanol) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Big Sky Scientific L.L.C. totals are self-reported EPCRA §313 estimates for Sun River, MT, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 339999 · Miscellaneous Manufacturing. 50.2% of Cascade TRI pounds in this extract. Nearest ABS peer: Championx-Scott (Δ 178 lbs). Pounds ≠ exposure.
Big Sky Scientific L.L.C. stamps MID volume · AIR pathway · CLEAN · lead Methanol. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov