EPA TRI Facility · Natural Gas Processing
Arapaho Gas Processing Plt
Butler, OK · Parent: Marathon Petroleum Corp
- Total releases
- 49.0K lbs
- Chemicals reported
- 3
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Arapaho Gas Processing Plt: how the 49.0K lbs splits
49.0K lbs across all reported pathways
- Air Releases 49.0K lbs 100.0%
Arapaho Gas Processing Plt's 49.0K lbs Form-R total is AIR - air releases is 100.0% of the bar. Off-site transfers stay separate from air, water, and land releases. Leading chemical by pounds: n-Hexane.
LIGHT volume AIR pathway CLEAN
Arapaho Gas Processing Plt is an EPA Toxics Release Inventory reporter in Butler, OK, in the natural gas processing sector. It reported 49.0K lbs of releases across 3 chemicals, summed over every year it filed. That ranks 6,167 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Oklahoma's 350 reporting TRI sites, pounds #1 is not chemical-count #1. Arapaho Gas Processing Plt is pounds #111 and chemical-count #177 at 49.0K lbs. International Paper Co leads reported pounds (28.8M lbs) at 21 chemicals (chemical-count #10). Clean Harbors Lone Mountain LLC Lone Mountain Facility leads chemical count at 51 chemicals (15.9M lbs, pounds #3). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: McClure Natural Gas Processing Plant; Roger Mills Gas Processing Plant; Canute Gas Processing Plant; Western Marketing. Similar-scale Natural Gas Processing peers outside Oklahoma: Legacy Gas Plant; Pembrook Gas Plant; Demicks Lake Gas Plant; Coyanosa Gas Plant. Other Marathon Petroleum Corp sites in this extract: Blanchard Refining Co LLC; Marathon Petroleum Co LP; Marathon Mandan Refinery; Catlettsburg Refining LLC. Largest disclosed chemicals by pounds: n-Hexane; Diethanolamine; 1,3-Butadiene.
Arapaho Gas Processing Plt stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 3 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 49.0K lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Legacy Gas Plant and Pembrook Gas Plant.
Arapaho Gas Processing Plt vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
49K lbs Top 24% higher than 76% 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
Arapaho Gas Processing Plt inside Custer's TRI pounds
Among the 339 Natural Gas Processing facilities in this database, Arapaho Gas Processing Plt reports the 112th-largest volume (49.0K lbs). This one site accounts for 32.7% of every pound reported in Custer. Its reported volume is concentrated rather than spread: n-Hexane alone is 100% of the total. Scale peers outside Oklahoma include Legacy Gas Plant and Pembrook Gas Plant.
County-dominant here means ≥25% of Custer's reported pounds (149.9K lbs county total). Shares only print when the site reports ≥1,000 lbs.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Arapaho Gas Processing Plt's total reported releases fell from 49.0 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Arapaho Gas Processing Plt's air releases fell from 49.0 thousand lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- Arapaho Gas Processing Plt's chemicals reported fell from 3 in 2022 to 1 in 2023, based on EPA TRI filings.
Arapaho Gas Processing Plt Form-R facts
Compare this facility
See how Arapaho Gas Processing Plt stacks up against nearby facilities and the typical reporter.
22.4× more than the comparison
50% 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 Arapaho Gas Processing Plt releases toxic chemicals into the environment. Total: 49.0K lbs.
Emissions Trend Summary
From 2022 to 2023, total releases decreased by 100% (49.0K lbs to 0 lbs).
Arapaho Gas Processing Plt: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Arapaho Gas Processing Plt year-over-year reported totals (decreased by 100% from 2022 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: n-Hexane.
| Year | Total | Chemicals |
|---|---|---|
| 2022 | 49.0K lbs | 3 |
| 2023 | 0 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2022–2023). 1 of 3 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 49.0K lbs | - |
| Diethanolamine | 0 lbs | - |
| 1,3-Butadiene | 0 lbs | Carcinogen |
Arapaho Gas Processing Plt · AIR-pathway site
Nearest TRI Facilities to Arapaho Gas Processing Plt
Closest other reporters in Oklahoma - including McClure Natural Gas Processing Plant, Roger Mills Gas Processing Plant, Canute Gas Processing Plant, ordered by distance.
Showing 8 of 349 other reporting facilities in Oklahoma.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Oklahoma - e.g. Legacy Gas Plant, Pembrook Gas Plant, Demicks Lake Gas Plant.
Compare beyond Oklahoma
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Arapaho Gas Processing Plt on cumulative reported pounds (49.0K lbs) and distinct chemical count (3). Release-pound peers include Plaskolite South LLC, Itw Polymers Sealants Na, Energizer Auto Manufacturing Inc.. Chemical-count peers include Industrial C&s of Pr LLC Arecibo Plant, Island Litho Corp., Fenwal International Inc. 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).
Other Marathon Petroleum Corp Facilities
Same-parent TRI sites ranked by reported releases - including Blanchard Refining Co LLC, Marathon Petroleum Co LP, Marathon Mandan Refinery.
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 n-Hexane, Diethanolamine, 1,3-Butadiene; nearby reporters include McClure Natural Gas Processing Plant. Arapaho Gas Processing Plt stamps LIGHT 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 Arapaho Gas Processing Plt TRI extract (LIGHT · AIR · CLEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Arapaho Gas Processing Plt totals are self-reported EPCRA §313 estimates for Butler, OK, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 32.7% of Custer TRI pounds in this extract. Nearest ABS peer: Plaskolite South LLC (Δ 0 lbs). Pounds ≠ exposure.
Arapaho Gas Processing Plt stamps LIGHT volume · AIR pathway · CLEAN · lead n-Hexane. 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