Bay Area refinery fallout does not pose significant health risk, authorities say

Bay Area public health authorities announced Thursday that heavy metals released by a refinery in November do not pose a significant risk to gardeners or residents in the city of Martinez, according to new laboratory testing.On Nov. 24 and 25, Martinez Refining Co., an 880-acre refinery on the northern edge of the city, released up to 24 tons of spent catalyst, powdery white dust filled with chemicals used to break crude oil into finished petroleum products.

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