EPA TRI Facility · Petroleum Bulk Terminals
Mplx Terminals LLC - Knoxville Tn LP Terminal
Knoxville, TN · Parent: Marathon Petroleum Corp
- Total releases
- 12.0K lbs
- Chemicals reported
- 11
- Carcinogens
- 5
- Primary pathway
- Air Releases
AIR Form-R mix
Mplx Terminals LLC - Knoxville Tn LP Terminal: how the 12.0K lbs splits
12.0K lbs across all reported pathways
- Air Releases 11.5K lbs 95.6%
- Off-site Transfers 535 lbs 4.4%
Mplx Terminals LLC - Knoxville Tn LP Terminal's 12.0K lbs Form-R total is AIR - air releases is 95.6% of the bar. Next segment: off-site transfers at 4.4%. Leading chemical by pounds: n-Hexane.
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.
LIGHT volume AIR pathway CARC-LEAN
Mplx Terminals LLC - Knoxville Tn LP Terminal is an EPA Toxics Release Inventory reporter in Knoxville, TN, in the petroleum bulk terminals sector. It reported 3.3K lbs of releases across 11 chemicals in 2022, and 12.0K lbs in total across its 2019-2022 reporting years. That ranks 9,415 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Tennessee's 595 reporting TRI sites, pounds #1 is not chemical-count #1. Mplx Terminals LLC - Knoxville Tn LP Terminal is pounds #289 and chemical-count #44 at 12.0K lbs. Nyrstar Clarksville Inc leads reported pounds (72.9M lbs) at 13 chemicals (chemical-count #31). Tradebe Treatment & Recycling of Tn leads chemical count at 75 chemicals (6.3M lbs, pounds #13). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Cmc Steel Tennessee; Safety-Kleen Systems Knoxville (kno); Rohm & Haas Chemicals LLC - Knoxville Site; Ready Mix USA Llc-Neyland Drive Plant. Similar-scale Petroleum Bulk Terminals peers outside Tennessee: Southern Counties Oil Co. LP D.b.a. Sc Fuels; Mariana Acquistion Corp/saipan Terminal; Mplx Terminals LLC - Lansing Mi Terminal; Gulfmark Energy Inc. 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; Toluene; Benzene; Xylene (mixed isomers).
Mplx Terminals LLC - Knoxville Tn LP Terminal stamps LIGHT volume with a dominant AIR pathway (95.6% air releases) across 11 chemicals · 5 carcinogen-classified. Cumulative Form-R extract: 12.0K lbs (2019–2022). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Southern Counties Oil Co. LP D.b.a. Sc Fuels and Mariana Acquistion Corp/saipan Terminal.
Mplx Terminals LLC - Knoxville Tn LP Terminal vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
12K lbs Top 36% higher than 64% 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
Mplx Terminals LLC - Knoxville Tn LP Terminal in the Petroleum Bulk Terminals sector extract
Among the 695 Petroleum Bulk Terminals facilities in this database, Mplx Terminals LLC - Knoxville Tn LP Terminal reports the 161st-largest volume, placing it in the top 23.2% of its sector. Scale peers outside Tennessee include Southern Counties Oil Co. LP D.b.a. Sc Fuels and Mariana Acquistion Corp/saipan Terminal.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Mplx Terminals LLC - Knoxville Tn LP Terminal Form-R facts
Compare this facility
See how Mplx Terminals LLC - Knoxville Tn LP Terminal stacks up against nearby facilities and the typical reporter.
88% less than the comparison
21% 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 Mplx Terminals LLC - Knoxville Tn LP Terminal releases toxic chemicals into the environment. Total: 12.0K lbs.
Emissions Trend Summary
From 2019 to 2022, total releases increased by 17% (2.8K lbs to 3.3K lbs).
Mplx Terminals LLC - Knoxville Tn LP Terminal: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2022
- 2019 0
- 2020 0
- 2021 0
- 2022 0
What this shows Mplx Terminals LLC - Knoxville Tn LP Terminal year-over-year reported totals (increased by 17% from 2019 to 2022). 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 |
|---|---|---|
| 2019 | 2.8K lbs | 11 |
| 2020 | 2.9K lbs | 11 |
| 2021 | 3.0K lbs | 11 |
| 2022 | 3.3K lbs | 11 |
Chemical Releases
Aggregated across all reporting years (2019–2022). 5 of 11 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| n-Hexane | 3.7K lbs | - |
| Toluene | 3.2K lbs | - |
| Benzene | 2.1K lbs | Carcinogen |
| Xylene (mixed isomers) | 1.5K lbs | - |
| Cyclohexane | 1.2K lbs | - |
| Ethylbenzene | 288 lbs | Carcinogen |
| 1,2,4-Trimethylbenzene | 43 lbs | - |
| Cumene | 34 lbs | Carcinogen |
| Naphthalene | 13 lbs | Carcinogen |
| Polycyclic aromatic compounds | 3 lbs | Carcinogen |
| Benzo[g,h,i]perylene | 0 lbs | - |
Mplx Terminals LLC - Knoxville Tn LP Terminal · AIR-pathway site
Nearest TRI Facilities to Mplx Terminals LLC - Knoxville Tn LP Terminal
Closest other reporters in Tennessee - including Cmc Steel Tennessee, Safety-Kleen Systems Knoxville (kno), Rohm & Haas Chemicals LLC - Knoxville Site, ordered by distance.
Showing 8 of 594 other reporting facilities in Tennessee.
Similar Petroleum Bulk Terminals Facilities
Other Petroleum Bulk Terminals facilities with similar total release volumes (±80%), outside Tennessee - e.g. Southern Counties Oil Co. LP D.b.a. Sc Fuels, Mariana Acquistion Corp/saipan Terminal, Mplx Terminals LLC - Lansing Mi Terminal.
Compare beyond Tennessee
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Mplx Terminals LLC - Knoxville Tn LP Terminal on cumulative reported pounds (12.0K lbs) and distinct chemical count (11). Release-pound peers include Hitachi Energy USA Inc., J Walter Miller Co, Chemsolv Inc. Chemical-count peers include Puerto Rico Energy LLC - Bayamon Terminal, Lanco Manufacturing Corp, Buckeye Caribbean Terminals LLC (former Scyi). 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.
- Hitachi Energy USA Inc. Crystal Springs, MS · Electrical Equipment 12.0K lbs reported
- J Walter Miller Co Lancaster, PA · Primary Metals 12.0K lbs reported
- Chemsolv Inc Roanoke, VA · Chemical Wholesalers 12.0K lbs reported
- Hobart Brothers Filler Metals Operation - Piqua Piqua, OH · Fabricated Metals 12.0K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Puerto Rico Energy LLC - Bayamon Terminal Bayamon, PR · Petroleum Bulk Terminals 11 chemicals
- Lanco Manufacturing Corp San Lorenzo, PR · Chemicals 11 chemicals
- Buckeye Caribbean Terminals LLC (former Scyi) Yabucoa, PR · Petroleum Bulk Terminals 11 chemicals
- Limetree Bay Terminals LLC DBA Ocean Point Terminals Christiansted, VI · Petroleum Bulk Terminals 11 chemicals
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, Toluene, Benzene, Xylene (mixed isomers); nearby reporters include Cmc Steel Tennessee. Mplx Terminals LLC - Knoxville Tn LP Terminal stamps LIGHT 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 Mplx Terminals LLC - Knoxville Tn LP Terminal TRI extract (LIGHT · AIR · CARC-LEAN · lead n-Hexane) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Mplx Terminals LLC - Knoxville Tn LP Terminal totals are self-reported EPCRA §313 estimates for Knoxville, TN, latest year 2022. Form-R rows span 2019–2022 (4 years). NAICS 424710 · Petroleum Bulk Terminals. 0.1% of Knox TRI pounds in this extract. Nearest ABS peer: Hitachi Energy USA Inc. (Δ 5 lbs). Pounds ≠ exposure.
Mplx Terminals LLC - Knoxville Tn LP Terminal stamps LIGHT volume · AIR pathway · CARC-LEAN · 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