EPA TRI Facility · Transportation Equipment
Bath Iron Works-Structural Fabrication Facility (formerly Ha
Brunswick, ME · Parent: General Dynamics Corp
- Total releases
- 145.7K lbs
- Chemicals reported
- 7
- Carcinogens
- 2
- Primary pathway
- Air Releases
MIXED Form-R mix
Bath Iron Works-Structural Fabrication Facility (formerly Ha: how the 178.4K lbs splits
178.4K lbs across all reported pathways
- Air Releases 95.7K lbs 53.7%
- Off-site Transfers 82.6K lbs 46.3%
- Water Discharges 34 lbs <0.1%
Bath Iron Works-Structural Fabrication Facility (formerly Ha's 178.4K lbs Form-R total is MIXED - air releases is 53.7% of the bar. Next segment: off-site transfers at 46.3%. Leading chemical by pounds: Xylene (mixed isomers).
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.
MID volume MIXED pathway TRACE-CARC
Bath Iron Works-Structural Fabrication Facility (formerly Ha is an EPA Toxics Release Inventory reporter in Brunswick, ME, in the transportation equipment sector. It reported 32.6K lbs of releases across 6 chemicals in 2024, and 145.7K lbs in total across its 2019-2024 reporting years. That ranks 3,799 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Maine's 81 reporting TRI sites, Sappi N.a. Inc. - Somerset Operations leads both reported pounds (10.6M lbs) and chemical count (31 chemicals). The two rankings do not invert in this pool. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Bath Iron Works Outfit Fabrication Facility (formerly Ebmf); Bath Iron Works; Molnlycke Manufacturing US LLC (formally Rynel); Dingley Press. Similar-scale Transportation Equipment peers outside Maine: Blue Bird Body Co; Daimler Trucks Na Llc-Cleveland; General Motors Gm Va Factory Zero Assembly Plant; General Dynamics Electric Boat Corp. Other General Dynamics Corp sites in this extract: General Dynamics (nassco); Electric Boat Corp; General Dynamics Electric Boat Corp; St. Marks Powder Inc.. Largest disclosed chemicals by pounds: Xylene (mixed isomers); Manganese; Copper; Nickel.
Bath Iron Works-Structural Fabrication Facility (formerly Ha is a MID · MIXED-pathway Form-R site in Brunswick, ME: 145.7K lbs across 7 chemicals (2 carcinogen-classified, TRACE-CARC). No single media clears 70% of the bar (lead segment air releases at 53.7%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Blue Bird Body Co and Daimler Trucks Na Llc-Cleveland.
Bath Iron Works-Structural Fabrication Facility (formerly Ha vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
146K lbs Top 15% higher than 85% 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
Bath Iron Works-Structural Fabrication Facility (formerly Ha: Xylene (mixed isomers)-led volume
Among the 1,603 Transportation Equipment facilities in this database, Bath Iron Works-Structural Fabrication Facility (formerly Ha reports the 235th-largest volume, placing it in the top 14.7% of its sector. Its reported volume is concentrated rather than spread: Xylene (mixed isomers) alone is 98.7% of the total. Scale peers outside Maine include Blue Bird Body Co and Daimler Trucks Na Llc-Cleveland.
Concentrated means ≥60% of Bath Iron Works-Structural Fabrication Facility (formerly Ha's pounds in one chemical - here Xylene (mixed isomers) at 98.7%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Bath Iron Works-Structural Fabrication Facility (formerly Ha's off-site transfers fell from 11.3 thousand lb in 2022 to 10.8 thousand lb in 2023, based on EPA TRI filings.
- Bath Iron Works-Structural Fabrication Facility (formerly Ha's air releases rose from 16.7 thousand lb in 2022 to 17.1 thousand lb in 2023, based on EPA TRI filings.
Bath Iron Works-Structural Fabrication Facility (formerly Ha Form-R facts
Compare this facility
See how Bath Iron Works-Structural Fabrication Facility (formerly Ha stacks up against nearby facilities and the typical reporter.
427.7× more than the comparison
40% more 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 Bath Iron Works-Structural Fabrication Facility (formerly Ha releases toxic chemicals into the environment. Total: 178.4K lbs.
Emissions Trend Summary
From 2019 to 2024, total releases increased by 17% (27.9K lbs to 32.6K lbs).
Bath Iron Works-Structural Fabrication Facility (formerly Ha: annual Form-R pounds
MID site · MIXED pathway · TRI years 2019–2024
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
- 2024 0
What this shows Bath Iron Works-Structural Fabrication Facility (formerly Ha year-over-year reported totals (increased by 17% 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: Xylene (mixed isomers).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 27.9K lbs | 6 |
| 2020 | 34.6K lbs | 6 |
| 2021 | 27.4K lbs | 6 |
| 2022 | 28.0K lbs | 6 |
| 2023 | 27.9K lbs | 6 |
| 2024 | 32.6K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2019–2024). 2 of 7 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Xylene (mixed isomers) | 176.1K lbs | - |
| Manganese | 1.1K lbs | - |
| Copper | 565 lbs | - |
| Nickel | 351 lbs | Carcinogen |
| Chromium | 235 lbs | - |
| Propylene | 4 lbs | - |
| Polycyclic aromatic compounds | 0 lbs | Carcinogen |
Bath Iron Works-Structural Fabrication Facility (formerly Ha in Cumberland
Nearest TRI Facilities to Bath Iron Works-Structural Fabrication Facility (formerly Ha
Closest other reporters in Maine - including Bath Iron Works Outfit Fabrication Facility (formerly Ebmf), Bath Iron Works, Molnlycke Manufacturing US LLC (formally Rynel), ordered by distance.
Showing 8 of 80 other reporting facilities in Maine.
Similar Transportation Equipment Facilities
Other Transportation Equipment facilities with similar total release volumes (±80%), outside Maine - e.g. Blue Bird Body Co, Daimler Trucks Na Llc-Cleveland, General Motors Gm Va Factory Zero Assembly Plant.
Compare beyond Maine
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Bath Iron Works-Structural Fabrication Facility (formerly Ha on cumulative reported pounds (145.7K lbs) and distinct chemical count (7). Release-pound peers include Anheuser-Busch LLC, North American Galvanizing Co Hurst, Clarios LLC. Chemical-count peers include Hubbell Caribe Ltd, Celanese Microcircuits Industries Ltd., Virgin Islands Water & Power Authority. 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).
Other General Dynamics Corp Facilities
Same-parent TRI sites ranked by reported releases - including General Dynamics (nassco), Electric Boat Corp, General Dynamics Electric Boat 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 Xylene (mixed isomers), Manganese, Copper, Nickel; nearby reporters include Bath Iron Works Outfit Fabrication Facility (formerly Ebmf). Bath Iron Works-Structural Fabrication Facility (formerly Ha stamps MID volume · MIXED pathway · TRACE-CARC 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 Bath Iron Works-Structural Fabrication Facility (formerly Ha TRI extract (MID · MIXED · TRACE-CARC · lead Xylene (mixed isomers)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Bath Iron Works-Structural Fabrication Facility (formerly Ha totals are self-reported EPCRA §313 estimates for Brunswick, ME, latest year 2023. Form-R rows span 2019–2024 (6 years). NAICS 336611 · Transportation Equipment. 14.8% of Cumberland TRI pounds in this extract. Nearest ABS peer: Anheuser-Busch LLC (Δ 2 lbs). Pounds ≠ exposure.
Bath Iron Works-Structural Fabrication Facility (formerly Ha stamps MID · MIXED pathway (air releases leads at 53.7%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. 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