EPA TRI Facility · Natural Gas Processing
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt
Evans City, PA · Parent: Marathon Petroleum Corp
- Total releases
- 197 lbs
- Chemicals reported
- 2
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt: how the 197 lbs splits
197 lbs across all reported pathways
- Air Releases 197 lbs 100.0%
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt's 197 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
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt is an EPA Toxics Release Inventory reporter in Evans City, PA, in the natural gas processing sector. It reported 197 lbs of releases across 2 chemicals in 2022. That ranks 15,879 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Pennsylvania's 1,010 reporting TRI sites, pounds #1 is not chemical-count #1. Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt is pounds #791 and chemical-count #710 at 197 lbs. Max Environmental -- Yukon Facility leads reported pounds (34.8M lbs) at 18 chemicals (chemical-count #24). Keystone Cement Co leads chemical count at 53 chemicals (155.4K lbs, pounds #149). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Bluestone Gas Plant; Advanced Polymer Technology; Berry Metal Co; Main Steel Polishing Co.. Similar-scale Natural Gas Processing peers outside Pennsylvania: Bear Gas Plant; Breitburn Dry Trail Gas Plt; Grey Wolf Gas Plant; Kenova Ngl Extraction Facility. 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; 1,3-Butadiene.
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 2 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 197 lbs (2022–2022). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Bear Gas Plant and Breitburn Dry Trail Gas Plt.
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
197 lbs 39th percentile higher than 39% 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
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt in the Natural Gas Processing sector extract
Among the 339 Natural Gas Processing facilities in this database, Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt reports the 328th-largest volume (197 lbs). Scale peers outside Pennsylvania include Bear Gas Plant and Breitburn Dry Trail Gas Plt.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt Form-R facts
Compare this facility
See how Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt stacks up against nearby facilities and the typical reporter.
99% less than the comparison
60% 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 Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt releases toxic chemicals into the environment. Total: 197 lbs.
Chemical Releases
Aggregated across all reporting years (2022–2022). 1 of 2 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 197 lbs | - |
| 1,3-Butadiene | 0 lbs | Carcinogen |
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt · AIR-pathway site
Nearest TRI Facilities to Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt
Closest other reporters in Pennsylvania - including Bluestone Gas Plant, Advanced Polymer Technology, Berry Metal Co, ordered by distance.
Showing 8 of 1,009 other reporting facilities in Pennsylvania.
Similar Natural Gas Processing Facilities
Other Natural Gas Processing facilities with similar total release volumes (±80%), outside Pennsylvania - e.g. Bear Gas Plant, Breitburn Dry Trail Gas Plt, 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, 1,3-Butadiene; nearby reporters include Bluestone Gas Plant. Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt 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 Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt TRI extract (TRACE · AIR · CLEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt totals are self-reported EPCRA §313 estimates for Evans City, PA, latest year 2022. NAICS 211130 · Natural Gas Processing. 0.0% of Butler TRI pounds in this extract. Nearest ABS peer: Prescor Inc. (Δ 0 lbs). Pounds ≠ exposure.
Markwest Liberty Bluestone Llc/sarsen Gas Proc Plt 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