Facility profile
Natl Steel & Shipbuilding A General Dynamics Co
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Noncompliance quarters
2
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2025-07-29
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are lower in 2024 than in 2022.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 182,055 lbs | 0 lbs | 75 lbs | 182,130 lbs |
| 2023 | 152,408 lbs | 0 lbs | 0 lbs | 152,408 lbs |
| 2024 | 127,979 lbs | 0 lbs | 0 lbs | 127,979 lbs |
Chemical breakdown
What this facility is reporting
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Xylene (mixed isomers)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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n-Butyl alcohol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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1, 2, 4-Trimethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Methanol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Manganese
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Copper
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Nickel
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
Enforcement layer
Why the ECHO-style detail matters
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.