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Smoke from the fire that ravaged a Navy warship in San Diego Bay contained elevated levels of toxins, but air-quality authorities say area residents have little to fear.

The San Diego Union-Tribune says the local Air Pollution Control District found smoke from the USS Bonhomme Richard contained a dozen potentially harmful substances but they were at levels for which there are no known great health risks.

The district issued the Navy a notice of violation for creating a public nuisance and contaminating the air.

The Navy has yet to say whether the vessel will be repaired.