EPA TRI Facility · Fabricated Metals
Aotco Metal Finishing LLC
Billerica, MA
- Total releases
- 1 lbs
- Chemicals reported
- 1
- Latest report
- 2023
- Primary pathway
- Air Releases
AIR Form-R mix
Aotco Metal Finishing LLC: how the 1 lbs splits
1 lbs across all reported pathways
- Air Releases 1 lbs 100.0%
Aotco Metal Finishing LLC's 1 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: Nitric acid.
TRACE volume AIR pathway CLEAN
Aotco Metal Finishing LLC is an EPA Toxics Release Inventory reporter in Billerica, MA, in the fabricated metals sector. It reported 0 lbs of releases across 1 chemical in 2024, and 1 lbs in total across its 2019-2024 reporting years. That ranks 20,129 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. Aotco Metal Finishing LLC is pounds #359 and chemical-count #369 at 1 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). Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: American Flowform & Machining LLC; Ast Products Inc; American Flowform & Machining LLC; American Science & Engineering. Similar-scale Fabricated Metals peers outside Massachusetts: Hydro Extrusion Portland Inc. - Fabricated Components Plant; Steel Dynamics Inc. - Techs Div - Galvtech Plant; Jelliff Corp; Stanley Black and Decker. Largest disclosed chemicals by pounds: Nitric acid.
Aotco Metal Finishing LLC stamps TRACE volume with a dominant AIR pathway (100.0% air releases) across 1 chemical. Cumulative Form-R extract: 1 lbs (2019–2024). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Hydro Extrusion Portland Inc. - Fabricated Components Plant and Steel Dynamics Inc. - Techs Div - Galvtech Plant.
Aotco Metal Finishing LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1 lbs 23rd percentile higher than 23% 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
Aotco Metal Finishing LLC in the Fabricated Metals sector extract
Among the 3,421 Fabricated Metals facilities in this database, Aotco Metal Finishing LLC reports the 2,681st-largest volume (1 lbs). Scale peers outside Massachusetts include Hydro Extrusion Portland Inc. - Fabricated Components Plant and Steel Dynamics Inc. - Techs Div - Galvtech Plant.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Aotco Metal Finishing LLC Form-R facts
Compare this facility
See how Aotco Metal Finishing LLC stacks up against nearby facilities and the typical reporter.
99% less than the comparison
75% 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 Aotco Metal Finishing LLC releases toxic chemicals into the environment. Total: 1 lbs.
Emissions Trend Summary
From 2019 to 2024, total releases decreased by 40% (0 lbs to 0 lbs).
Aotco Metal Finishing LLC: annual Form-R pounds
TRACE site · AIR pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Aotco Metal Finishing LLC year-over-year reported totals (decreased by 40% 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: Nitric acid.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 0 lbs | 1 |
| 2020 | 0 lbs | 1 |
| 2021 | 0 lbs | 1 |
| 2022 | 0 lbs | 1 |
| 2023 | 0 lbs | 1 |
| 2024 | 0 lbs | 1 |
Chemical Releases
Aggregated across all reporting years (2019–2024). Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Nitric acid | 1 lbs | - |
Aotco Metal Finishing LLC · AIR-pathway site
Nearest TRI Facilities to Aotco Metal Finishing LLC
Closest other reporters in Massachusetts - including American Flowform & Machining LLC, Ast Products Inc, American Flowform & Machining LLC, ordered by distance.
Showing 8 of 372 other reporting facilities in Massachusetts.
Similar Fabricated Metals Facilities
Other Fabricated Metals facilities with similar total release volumes (±80%), outside Massachusetts - e.g. Hydro Extrusion Portland Inc. - Fabricated Components Plant, Steel Dynamics Inc. - Techs Div - Galvtech Plant, Jelliff Corp.
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 Nitric acid; nearby reporters include American Flowform & Machining LLC. Aotco Metal Finishing LLC 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 Aotco Metal Finishing LLC TRI extract (TRACE · AIR · CLEAN · lead Nitric acid) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Aotco Metal Finishing LLC totals are self-reported EPCRA §313 estimates for Billerica, MA, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 332813 · Fabricated Metals. 0.0% of Middlesex TRI pounds in this extract. Nearest ABS peer: Geneva Rock Products Inc-Downtown Facility (Δ 0 lbs). Pounds ≠ exposure.
Aotco Metal Finishing LLC stamps TRACE volume · AIR pathway · CLEAN · lead Nitric acid. 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