EPA TRI Facility · Transportation Equipment
North American Shipbuilding Llc-Larose Shipyard
Larose, LA
- Total releases
- 63.2K lbs
- Chemicals reported
- 9
- Carcinogens
- 2
- Primary pathway
- Air Releases
AIR Form-R mix
North American Shipbuilding Llc-Larose Shipyard: how the 63.2K lbs splits
63.2K lbs across all reported pathways
- Air Releases 63.2K lbs 100.0%
North American Shipbuilding Llc-Larose Shipyard's 63.2K 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: 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.
LIGHT volume AIR pathway TRACE-CARC
North American Shipbuilding Llc-Larose Shipyard is an EPA Toxics Release Inventory reporter in Larose, LA, in the transportation equipment sector. It reported 15.3K lbs of releases across 6 chemicals in 2023, and 63.2K lbs in total across its 2019-2023 reporting years. That ranks 5,601 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Louisiana's 417 reporting TRI sites, pounds #1 is not chemical-count #1. North American Shipbuilding Llc-Larose Shipyard is pounds #182 and chemical-count #115 at 63.2K lbs. Bayer Cropscience LP leads reported pounds (81.9M lbs) at 17 chemicals (chemical-count #52). Eco-Services Operations leads chemical count at 68 chemicals (163.5K lbs, pounds #136). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Halliburton Larose Grinding Plant; Discovery Producer Services:larose Cryogenic Plant; Bollinger Shipyards Lockport LLC; Grand Isle Shipyard Inc. Similar-scale Transportation Equipment peers outside Louisiana: Grupo Antolin Kentucky; Hitachi Astemo Indiana Inc.; Dakota Creek Industries Inc.; Maxion Wheels Sedalia LLC. Largest disclosed chemicals by pounds: Xylene (mixed isomers); n-Butyl alcohol; Zinc compounds; Manganese.
North American Shipbuilding Llc-Larose Shipyard stamps LIGHT volume with a dominant AIR pathway (100.0% air releases) across 9 chemicals · 2 carcinogen-classified. Cumulative Form-R extract: 63.2K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Grupo Antolin Kentucky and Hitachi Astemo Indiana Inc..
North American Shipbuilding Llc-Larose Shipyard vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
63K lbs Top 22% higher than 78% 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
North American Shipbuilding Llc-Larose Shipyard: Xylene (mixed isomers)-led volume
Among the 1,603 Transportation Equipment facilities in this database, North American Shipbuilding Llc-Larose Shipyard reports the 358th-largest volume, placing it in the top 22.3% of its sector. Its reported volume is concentrated rather than spread: Xylene (mixed isomers) alone is 79.4% of the total. Scale peers outside Louisiana include Grupo Antolin Kentucky and Hitachi Astemo Indiana Inc..
Concentrated means ≥60% of North American Shipbuilding Llc-Larose Shipyard's pounds in one chemical - here Xylene (mixed isomers) at 79.4%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- North American Shipbuilding Llc-Larose Shipyard's total reported releases fell from 29.7 thousand lb in 2022 to 15.3 thousand lb in 2023, based on EPA TRI filings.
- North American Shipbuilding Llc-Larose Shipyard's air releases fell from 29.7 thousand lb in 2022 to 15.3 thousand lb in 2023, based on EPA TRI filings.
- North American Shipbuilding Llc-Larose Shipyard's chemicals reported fell from 8 in 2022 to 6 in 2023, based on EPA TRI filings.
North American Shipbuilding Llc-Larose Shipyard Form-R facts
Compare this facility
See how North American Shipbuilding Llc-Larose Shipyard stacks up against nearby facilities and the typical reporter.
90283.9× more than the comparison
3.0× 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 North American Shipbuilding Llc-Larose Shipyard releases toxic chemicals into the environment. Total: 63.2K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 44% (10.6K lbs to 15.3K lbs).
North American Shipbuilding Llc-Larose Shipyard: annual Form-R pounds
LIGHT site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows North American Shipbuilding Llc-Larose Shipyard year-over-year reported totals (increased by 44% from 2019 to 2023). 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 | 10.6K lbs | 7 |
| 2020 | 7.6K lbs | 8 |
| 2021 | 24 lbs | 2 |
| 2022 | 29.7K lbs | 8 |
| 2023 | 15.3K lbs | 6 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 2 of 9 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Xylene (mixed isomers) | 50.2K lbs | - |
| n-Butyl alcohol | 12.0K lbs | - |
| Zinc compounds | 749 lbs | - |
| Manganese | 198 lbs | - |
| Copper | 26 lbs | - |
| Chromium | 22 lbs | - |
| Nickel | 5 lbs | Carcinogen |
| Lead | 5 lbs | Carcinogen |
| Zinc (fume or dust) | 0 lbs | - |
North American Shipbuilding Llc-Larose Shipyard · AIR-pathway site
Nearest TRI Facilities to North American Shipbuilding Llc-Larose Shipyard
Closest other reporters in Louisiana - including Halliburton Larose Grinding Plant, Discovery Producer Services:larose Cryogenic Plant, Bollinger Shipyards Lockport LLC, ordered by distance.
Showing 8 of 416 other reporting facilities in Louisiana.
Similar Transportation Equipment Facilities
Other Transportation Equipment facilities with similar total release volumes (±80%), outside Louisiana - e.g. Grupo Antolin Kentucky, Hitachi Astemo Indiana Inc., Dakota Creek Industries Inc..
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest North American Shipbuilding Llc-Larose Shipyard on cumulative reported pounds (63.2K lbs) and distinct chemical count (9). Release-pound peers include Plastic Plate Inc-Monroe Plant, Crown Beverage Packaging, Ramcel Precision Stamping & Manufacturing LLC. Chemical-count peers include Viatris Pharmaceuticals LLC, Prepa - San Juan Steam Plant, Solutia Inc. 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.
- Plastic Plate Inc-Monroe Plant Grand Rapids, MI · Fabricated Metals 63.2K lbs reported
- Crown Beverage Packaging Ridgeway, VA · Fabricated Metals 63.2K lbs reported
- Ramcel Precision Stamping & Manufacturing LLC Northbrook, IL · Machinery 63.2K lbs reported
- Highline Warren Llc.- Greensboro Greensboro, NC · Chemicals 63.2K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Viatris Pharmaceuticals LLC Barceloneta, PR · Chemicals 9 chemicals
- Prepa - San Juan Steam Plant Puerto Nuevo, PR · Electric Utilities 9 chemicals
- Solutia Inc Springfield, MA · Plastics and Rubber 9 chemicals
- O'Connell Oil Co Merrill Road Facility Pittsfield, MA · Petroleum Bulk Terminals 9 chemicals
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), n-Butyl alcohol, Zinc compounds, Manganese; nearby reporters include Halliburton Larose Grinding Plant. North American Shipbuilding Llc-Larose Shipyard stamps LIGHT volume · AIR 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 North American Shipbuilding Llc-Larose Shipyard TRI extract (LIGHT · AIR · TRACE-CARC · lead Xylene (mixed isomers)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
North American Shipbuilding Llc-Larose Shipyard totals are self-reported EPCRA §313 estimates for Larose, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 336611 · Transportation Equipment. 16.3% of Lafourche Parish TRI pounds in this extract. Nearest ABS peer: Plastic Plate Inc-Monroe Plant (Δ 10 lbs). Pounds ≠ exposure.
North American Shipbuilding Llc-Larose Shipyard stamps LIGHT volume · AIR pathway · TRACE-CARC · lead Xylene (mixed isomers). 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