EPA TRI Facility · Petroleum
Chs Inc. Laurel Refinery
Laurel, MT · Parent: Chs Inc
- Total releases
- 816.2K lbs
- Chemicals reported
- 33
- Carcinogens
- 10
- Primary pathway
- Air Releases
AIR Form-R mix
Chs Inc. Laurel Refinery: how the 816.2K lbs splits
816.2K lbs across all reported pathways
- Air Releases 619.2K lbs 75.9%
- Water Discharges 168.8K lbs 20.7%
- Off-site Transfers 28.3K lbs 3.5%
Chs Inc. Laurel Refinery's 816.2K lbs Form-R total is AIR - air releases is 75.9% of the bar. Next segment: water discharges at 20.7%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
MID volume AIR pathway CARC-LEAN
Chs Inc. Laurel Refinery is an EPA Toxics Release Inventory reporter in Laurel, MT, in the petroleum sector. It reported 182.3K lbs of releases across 26 chemicals in 2023, and 816.2K lbs in total across its 2019-2023 reporting years. That ranks 1,468 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. Chs Inc. Laurel Refinery is pounds #8 and chemical-count #4 at 816.2K 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 rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Lfm Laurel West; Lfm Laurel East; Brenntag Pacific Inc Mossmain Ln; Western Emulsions Inc Billings Plant. Similar-scale Petroleum peers outside Montana: Chs McPherson Refinery - Sru; Lima Refining Co; Heritage-Crystal Clean LLC - Re-Refinery; Big West Oil LLC. Other Chs Inc sites in this extract: Chs Mankato; Chs Fairmont; Chs Hallock; Chs McPherson Refinery - Sru. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size); Propylene.
Chs Inc. Laurel Refinery stamps MID volume with a dominant AIR pathway (75.9% air releases) across 33 chemicals · 10 carcinogen-classified. Cumulative Form-R extract: 816.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Chs McPherson Refinery - Sru and Lima Refining Co.
Chs Inc. Laurel Refinery vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
816K lbs Top 6% higher than 94% 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
Chs Inc. Laurel Refinery in the Petroleum sector extract
Among the 902 Petroleum facilities in this database, Chs Inc. Laurel Refinery reports the 87th-largest volume, placing it in the top 9.6% of its sector. Scale peers outside Montana include Chs McPherson Refinery - Sru and Lima Refining Co.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Chs Inc. Laurel Refinery's total reported releases rose from 137.7 thousand lb in 2022 to 182.3 thousand lb in 2023, based on EPA TRI filings.
- Chs Inc. Laurel Refinery's water releases rose from 10.0 thousand lb in 2022 to 46.8 thousand lb in 2023, based on EPA TRI filings.
- Chs Inc. Laurel Refinery's off-site transfers rose from 3.8 thousand lb in 2022 to 13.3 thousand lb in 2023, based on EPA TRI filings.
- Chs Inc. Laurel Refinery's chemicals reported fell from 27 in 2022 to 26 in 2023, based on EPA TRI filings.
Chs Inc. Laurel Refinery Form-R facts
Compare this facility
See how Chs Inc. Laurel Refinery stacks up against nearby facilities and the typical reporter.
20.7× more than the comparison
33.0× more 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 Chs Inc. Laurel Refinery releases toxic chemicals into the environment. Total: 816.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 16% (217.7K lbs to 182.3K lbs).
Chs Inc. Laurel Refinery: 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 Chs Inc. Laurel Refinery year-over-year reported totals (decreased by 16% 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: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 217.7K lbs | 28 |
| 2020 | 152.9K lbs | 27 |
| 2021 | 125.6K lbs | 29 |
| 2022 | 137.7K lbs | 27 |
| 2023 | 182.3K lbs | 26 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 10 of 33 chemicals are carcinogens. Sorted by total release volume.
Chs Inc. Laurel Refinery · AIR-pathway site
Nearest TRI Facilities to Chs Inc. Laurel Refinery
Closest other reporters in Montana - including Lfm Laurel West, Lfm Laurel East, Brenntag Pacific Inc Mossmain Ln, ordered by distance.
Showing 8 of 66 other reporting facilities in Montana.
Similar Petroleum Facilities
Other Petroleum facilities with similar total release volumes (±80%), outside Montana - e.g. Chs McPherson Refinery - Sru, Lima Refining Co, Heritage-Crystal Clean LLC - Re-Refinery.
Compare beyond Montana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Chs Inc. Laurel Refinery on cumulative reported pounds (816.2K lbs) and distinct chemical count (33). Release-pound peers include Continental Cement Co, Matheson Tri-Gas-New Johnsonville Tn Branch, Sk Battery America Inc.. Chemical-count peers include Paulsboro Refining Co LLC, Ppg Industriesinc-Springdale Complex, International Paper Georgetown Mill. 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.
- Continental Cement Co Buffalo, IA · Nonmetallic Mineral Product 816.5K lbs reported
- Matheson Tri-Gas-New Johnsonville Tn Branch Waverly, TN · Chemicals 814.3K lbs reported
- Sk Battery America Inc. Commerce, GA · Electrical Equipment 818.4K lbs reported
- Befesa Zinc US Inc. Barnwell, SC · Primary Metals 813.9K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Chs Inc Facilities
Same-parent TRI sites ranked by reported releases - including Chs Mankato, Chs Fairmont, Chs Hallock.
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 Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia, Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Propylene; nearby reporters include Lfm Laurel West. Chs Inc. Laurel Refinery stamps MID volume · AIR pathway · CARC-LEAN 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 Chs Inc. Laurel Refinery TRI extract (MID · AIR · CARC-LEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Chs Inc. Laurel Refinery totals are self-reported EPCRA §313 estimates for Laurel, MT, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324110 · Petroleum. 23.7% of Yellowstone TRI pounds in this extract. Nearest ABS peer: Continental Cement Co (Δ 206 lbs). Pounds ≠ exposure.
Chs Inc. Laurel Refinery stamps MID volume · AIR pathway · CARC-LEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution). 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