A team of outside experts audited beryllium work at Lawrence Livermore Laboratory last month and federal regulators are set to follow up with their own review in September. Some of the incidents involved workers being unknowingly exposed to beryllium dust, which if inhaled can lead to beryllium sensitivity and chronic beryllium disease, an incurable and potentially fatal lung condition. In one of the incidents, the lab failed for five months to notify 178 contract workers

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It is a grim, almost unthinkable scenario: a 10-kiloton nuclear weapon, smuggled into the United States, is detonated in a major U.S. city, perhaps even the Bay Area. Top federal officials and medical experts gathered in Washington on Thursday to consider this nightmare vision. Their conclusion: Cities and states are frightfully ill-prepared for dealing with an attack using a small nuclear bomb.

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