EPA TRI Facility · Transportation Equipment
General Dynamics (nassco)
San Diego, CA · Parent: General Dynamics Corp
- Total releases
- 812.7K lbs
- Chemicals reported
- 12
- Carcinogens
- 3
- Primary pathway
- Air Releases
AIR Form-R mix
General Dynamics (nassco): how the 812.7K lbs splits
812.7K lbs across all reported pathways
- Air Releases 781.7K lbs 96.2%
- Off-site Transfers 30.9K lbs 3.8%
- Land Disposal 75 lbs <0.1%
General Dynamics (nassco)'s 812.7K lbs Form-R total is AIR - air releases is 96.2% of the bar. Next segment: off-site transfers at 3.8%. 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 AIR pathway CARC-LEAN
General Dynamics (nassco) is an EPA Toxics Release Inventory reporter in San Diego, CA, in the transportation equipment sector. It reported 158.2K lbs of releases across 8 chemicals in 2023, and 812.7K lbs in total across its 2019-2023 reporting years. That ranks 1,472 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In California's 1,149 reporting TRI sites, pounds #1 is not chemical-count #1. General Dynamics (nassco) is pounds #31 and chemical-count #50 at 812.7K lbs. Clean Harbors Buttonwillow LLC leads reported pounds (50.4M lbs) at 45 chemicals (chemical-count #2). Chevron Products Co Richmond Refinery leads chemical count at 46 chemicals (3.0M lbs, pounds #13). Reported volume fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Chevron San Diego Terminal; New Leaf Biofuel; Tesoro - San Diego Terminal; U.S. Naval Base San Diego. Similar-scale Transportation Equipment peers outside California: Bollinger Marine Fabricators LLC; Skeeter Products Inc.; Sportsman Boat Manufacturing Inc.; Fca US Belvidere Assembly Plant. Other General Dynamics Corp sites in this extract: Electric Boat Corp; General Dynamics Electric Boat Corp; Bath Iron Works-Structural Fabrication Facility (formerly Ha; St. Marks Powder Inc.. Largest disclosed chemicals by pounds: Xylene (mixed isomers); n-Butyl alcohol; 1,2,4-Trimethylbenzene; Ethylbenzene.
Compare General Dynamics (nassco) with
Nearest reporters in California
- Chevron San Diego Terminal San Diego · 857 lbs
- New Leaf Biofuel San Diego · 472 lbs
- Tesoro - San Diego Terminal San Diego · 4.5K lbs
- U.S. Naval Base San Diego San Diego · 184 lbs
Similar-scale Transportation Equipment sites elsewhere: Bollinger Marine Fabricators LLC (LA) · Skeeter Products Inc. (TX) · Sportsman Boat Manufacturing Inc. (SC)
General Dynamics (nassco) stamps MID volume with a dominant AIR pathway (96.2% air releases) across 12 chemicals · 3 carcinogen-classified. Cumulative Form-R extract: 812.7K lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Bollinger Marine Fabricators LLC and Skeeter Products Inc..
General Dynamics (nassco) vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
813K lbs Top 6% higher than 94% 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
General Dynamics (nassco) in the Transportation Equipment sector extract
Among the 1,603 Transportation Equipment facilities in this database, General Dynamics (nassco) reports the 51st-largest volume, placing it in the top 3.2% of its sector. Scale peers outside California include Bollinger Marine Fabricators LLC and Skeeter Products Inc..
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- General Dynamics (nassco)'s total reported releases fell from 182.2 thousand lb in 2022 to 158.2 thousand lb in 2023, based on EPA TRI filings.
- General Dynamics (nassco)'s off-site transfers rose from 34 lb in 2022 to 5.8 thousand lb in 2023, based on EPA TRI filings.
- General Dynamics (nassco)'s land releases fell from 75 lb in 2022 to 0 lb in 2023, based on EPA TRI filings.
- General Dynamics (nassco)'s air releases fell from 182.1 thousand lb in 2022 to 152.4 thousand lb in 2023, based on EPA TRI filings.
General Dynamics (nassco) Form-R facts
Compare this facility
See how General Dynamics (nassco) stacks up against nearby facilities and the typical reporter.
948.0× more than the comparison
33% 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 General Dynamics (nassco) releases toxic chemicals into the environment. Total: 812.7K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 2% (154.8K lbs to 158.2K lbs).
General Dynamics (nassco): annual Form-R pounds
MID site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows General Dynamics (nassco) year-over-year reported totals (increased by 2% 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 | 154.8K lbs | 7 |
| 2020 | 168.9K lbs | 9 |
| 2021 | 148.6K lbs | 7 |
| 2022 | 182.2K lbs | 9 |
| 2023 | 158.2K lbs | 8 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 3 of 12 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Xylene (mixed isomers) | 294.4K lbs | - |
| n-Butyl alcohol | 200.7K lbs | - |
| 1,2,4-Trimethylbenzene | 162.3K lbs | - |
| Ethylbenzene | 128.5K lbs | Carcinogen |
| Zinc compounds | 22.9K lbs | - |
| Copper And Copper Compounds | 2.4K lbs | - |
| Methanol | 1.3K lbs | - |
| Polycyclic aromatic compounds | 76 lbs | Carcinogen |
| Manganese | 58 lbs | - |
| Lead compounds | 36 lbs | - |
| Nickel | 0 lbs | Carcinogen |
| Copper | 0 lbs | - |
General Dynamics (nassco) · AIR-pathway site
Nearest TRI Facilities to General Dynamics (nassco)
Closest other reporters in California - including Chevron San Diego Terminal, New Leaf Biofuel, Tesoro - San Diego Terminal, ordered by distance.
Showing 8 of 1,148 other reporting facilities in California.
Similar Transportation Equipment Facilities
Other Transportation Equipment facilities with similar total release volumes (±80%), outside California - e.g. Bollinger Marine Fabricators LLC, Skeeter Products Inc., Sportsman Boat Manufacturing Inc..
Compare beyond California
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest General Dynamics (nassco) on cumulative reported pounds (812.7K lbs) and distinct chemical count (12). Release-pound peers include Real Alloy Specification LLC, Befesa Zinc US Inc., Matheson Tri-Gas-New Johnsonville Tn Branch. Chemical-count peers include Fmc Agricultural Caribe Industries Ltd, Peerless Oil & Chemicals Inc., Prepa - Aguirre Power Generati on Complex. 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.
- Real Alloy Specification LLC Wabash, IN · Primary Metals 813.6K lbs reported
- Befesa Zinc US Inc. Barnwell, SC · Primary Metals 813.9K lbs reported
- Matheson Tri-Gas-New Johnsonville Tn Branch Waverly, TN · Chemicals 814.3K lbs reported
- Lake City Plating Plant 2 Ashtabula, OH · Fabricated Metals 810.6K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Fmc Agricultural Caribe Industries Ltd Manati, PR · Chemicals 12 chemicals
- Peerless Oil & Chemicals Inc. Penuelas, PR · Petroleum Bulk Terminals 12 chemicals
- Prepa - Aguirre Power Generati on Complex Aguirre, PR · Electric Utilities 12 chemicals
- Citgo Petroleum Corp Braintree, MA · Petroleum Bulk Terminals 12 chemicals
Other General Dynamics Corp Facilities
Same-parent TRI sites ranked by reported releases - including Electric Boat Corp, General Dynamics Electric Boat Corp, Bath Iron Works-Structural Fabrication Facility (formerly Ha.
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, 1,2,4-Trimethylbenzene, Ethylbenzene; nearby reporters include Chevron San Diego Terminal. General Dynamics (nassco) stamps MID 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 General Dynamics (nassco) TRI extract (MID · AIR · CARC-LEAN · lead Xylene (mixed isomers)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
General Dynamics (nassco) totals are self-reported EPCRA §313 estimates for San Diego, CA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 336611 · Transportation Equipment. 13.1% of San Diego TRI pounds in this extract. Nearest ABS peer: Real Alloy Specification LLC (Δ 966 lbs). Pounds ≠ exposure.
General Dynamics (nassco) stamps MID volume · AIR pathway · CARC-LEAN · 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