EPA TRI Facility · Natural Gas Processing
Langley Gas Plant
Langley, KY · Parent: Marathon Petroleum Corp
- Total releases
- 303 lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Langley Gas Plant: how the 303 lbs splits
303 lbs across all reported pathways
- Air Releases 303 lbs 100.0%
Langley Gas Plant's 303 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.
TRACE volume AIR pathway CLEAN
Langley Gas Plant is an EPA Toxics Release Inventory reporter in Langley, KY, in the natural gas processing sector. It reported 152 lbs of releases across 1 chemical in 2023, and 303 lbs in total across its 2022-2023 reporting years. That ranks 15,351 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Kentucky's 422 reporting TRI sites, pounds #1 is not chemical-count #1. Langley Gas Plant is pounds #344 and chemical-count #396 at 303 lbs. North American Stainless leads reported pounds (35.2M lbs) at 15 chemicals (chemical-count #36). Safety-Kleen Systems Inc. leads chemical count at 50 chemicals (725.8K lbs, pounds #50). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Federal Bureau of Prisons Usp Big Sandy; Hinkle Contracting Co LLC - Pomp Asphalt & Cave Run Mine; Huntington Alloys Corp; Marathon Petroleum Co - Big Sandy Asphalt Terminal. Similar-scale Natural Gas Processing peers outside Kentucky: Hereford Compressor Station; Kenova Ngl Extraction Facility; Grey Wolf Gas Plant; Mocane Cryogenic 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.
Langley Gas Plant stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 1 chemical. Cumulative Form-R extract: 303 lbs (2022–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Hereford Compressor Station and Kenova Ngl Extraction Facility.
Langley Gas Plant vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
303 lbs 41st percentile higher than 41% 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
Langley Gas Plant inside Floyd's TRI pounds
Among the 339 Natural Gas Processing facilities in this database, Langley Gas Plant reports the 323rd-largest volume (303 lbs). This one site accounts for 100% of every pound reported in Floyd. Scale peers outside Kentucky include Hereford Compressor Station and Kenova Ngl Extraction Facility.
County-dominant here means ≥25% of Floyd's reported pounds (303 lbs county total). Shares only print when the site reports ≥1,000 lbs.
Langley Gas Plant Form-R facts
Compare this facility
See how Langley Gas Plant stacks up against nearby facilities and the typical reporter.
94% less than the comparison
About the same as 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 Langley Gas Plant releases toxic chemicals into the environment. Total: 303 lbs.
Emissions Trend Summary
From 2022 to 2023, total releases increased by 1% (151 lbs to 152 lbs).
Langley Gas Plant: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2022–2023
- 2022 0
- 2023 0
What this shows Langley Gas Plant year-over-year reported totals (increased by 1% 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 | 151 lbs | 1 |
| 2023 | 152 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2022–2023). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 303 lbs | - |
Langley Gas Plant · AIR-pathway site
Nearest TRI Facilities to Langley Gas Plant
Closest other reporters in Kentucky - including Federal Bureau of Prisons Usp Big Sandy, Hinkle Contracting Co LLC - Pomp Asphalt & Cave Run Mine, Huntington Alloys Corp, ordered by distance.
Showing 8 of 421 other reporting facilities in Kentucky.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Kentucky - e.g. Hereford Compressor Station, Kenova Ngl Extraction Facility, Grey Wolf Gas Plant.
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; nearby reporters include Federal Bureau of Prisons Usp Big Sandy. Langley Gas Plant stamps TRACE 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 Langley Gas Plant TRI extract (TRACE · AIR · CLEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Langley Gas Plant totals are self-reported EPCRA §313 estimates for Langley, KY, latest year 2023. Form-R rows span 2022–2023 (2 years). NAICS 211130 · Natural Gas Processing. 100% of Floyd TRI pounds in this extract. Nearest ABS peer: Rust-Oleum - Brooklyn Park (Δ 0 lbs). Pounds ≠ exposure.
Langley Gas Plant stamps TRACE 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