EPA TRI Facility · Electric Utilities
Matep LLC
Boston, MA · Parent: Longwood Energy Partners LLC
- Total releases
- 39.0K lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Matep LLC: how the 47.0K lbs splits
47.0K lbs across all reported pathways
- Air Releases 46.9K lbs 99.9%
- Off-site Transfers 40 lbs 0.1%
Matep LLC's 47.0K lbs Form-R total is AIR - air releases is 99.9% of the bar. Next segment: off-site transfers at 0.1%. Leading chemical by pounds: Ammonia.
LIGHT volume AIR pathway CLEAN
Matep LLC is an EPA Toxics Release Inventory reporter in Boston, MA, in the electric utilities sector. It reported 8.0K lbs of releases across 1 chemical in 2024, and 39.0K lbs in total across its 2019-2024 reporting years. That ranks 6,714 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Massachusetts's 373 reporting TRI sites, pounds #1 is not chemical-count #1. Matep LLC is pounds #72 and chemical-count #263 at 39.0K lbs. Solutia Inc leads reported pounds (2.5M lbs) at 9 chemicals (chemical-count #10). Astro Chemicals Inc leads chemical count at 17 chemicals (5.9K lbs, pounds #154). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Resilience Boston Inc.; Houghton Chemical Corp; Kendall Green Energy LLC; The Gillette Co LLC. Similar-scale Electric Utilities peers outside Massachusetts: Parkway Generation Sewaren Energy Center; Possum Point Power Station; Koda Energy LLC; Spruance Genco LLC. Largest disclosed chemicals by pounds: Ammonia.
Compare Matep LLC with
Nearest reporters in Massachusetts
- Resilience Boston Inc. Allston · 97.4K lbs
- Houghton Chemical Corp Allston · 5.2K lbs
- Kendall Green Energy LLC Cambridge · 5.1K lbs
- The Gillette Co LLC Boston · 8.7K lbs
Similar-scale Electric Utilities sites elsewhere: Parkway Generation Sewaren Energy Center (NJ) · Possum Point Power Station (VA) · Koda Energy LLC (MN)
Matep LLC stamps LIGHT volume with a dominant AIR pathway (99.9% air releases) across 1 chemical. Cumulative Form-R extract: 39.0K lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Parkway Generation Sewaren Energy Center and Possum Point Power Station.
Matep LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
39K lbs Top 26% higher than 74% 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
Matep LLC: Ammonia-led volume
Among the 513 Electric Utilities facilities in this database, Matep LLC reports the 352nd-largest volume (39.0K lbs). Its reported volume is concentrated rather than spread: Ammonia alone is 100% of the total. Scale peers outside Massachusetts include Parkway Generation Sewaren Energy Center and Possum Point Power Station.
Concentrated means ≥60% of Matep LLC's pounds in one chemical - here Ammonia at 100%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Matep LLC's total reported releases fell from 8.3 thousand lb in 2022 to 7.1 thousand lb in 2023, based on EPA TRI filings.
- Matep LLC's air releases fell from 8.3 thousand lb in 2022 to 7.1 thousand lb in 2023, based on EPA TRI filings.
Matep LLC Form-R facts
Compare this facility
See how Matep LLC stacks up against nearby facilities and the typical reporter.
60% 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 Matep LLC releases toxic chemicals into the environment. Total: 47.0K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases increased by 5% (7.6K lbs to 8.0K lbs).
Matep LLC: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Matep LLC year-over-year reported totals (increased by 5% from 2019 to 2024). 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: Ammonia.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 7.6K lbs | 1 |
| 2020 | 7.9K lbs | 1 |
| 2021 | 8.1K lbs | 1 |
| 2022 | 8.3K lbs | 1 |
| 2023 | 7.1K lbs | 1 |
| 2024 | 8.0K lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2024). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ammonia | 47.0K lbs | - |
Matep LLC · AIR-pathway site
Nearest TRI Facilities to Matep LLC
Closest other reporters in Massachusetts - including Resilience Boston Inc., Houghton Chemical Corp, Kendall Green Energy LLC, ordered by distance.
Showing 8 of 372 other reporting facilities in Massachusetts.
Similar Electric Utilities Facilities
Other Electric Utilities facilities with similar total release volumes (±80%), outside Massachusetts - e.g. Parkway Generation Sewaren Energy Center, Possum Point Power Station, Koda Energy LLC.
Compare beyond Massachusetts
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Matep LLC on cumulative reported pounds (39.0K lbs) and distinct chemical count (1). Release-pound peers include Hexion Inc - Baytown Plant, Sabre Corp, Day-Glo Color Corp. Chemical-count peers include Ecoelectrica LP, Planta Penuelas, Tallaboa Puerto Rico LLC. 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).
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 Ammonia; nearby reporters include Resilience Boston Inc.. Matep LLC 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 Matep LLC TRI extract (LIGHT · AIR · CLEAN · lead Ammonia) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Matep LLC totals are self-reported EPCRA §313 estimates for Boston, MA, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 221112 · Electric Utilities. 15.4% of Suffolk TRI pounds in this extract. Nearest ABS peer: Hexion Inc - Baytown Plant (Δ 3 lbs). Pounds ≠ exposure.
Matep LLC stamps LIGHT volume · AIR pathway · CLEAN · lead Ammonia. 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