Federal officials Wednesday ordered Dow Chemical to clean up high levels of dioxin recently discovered in homes and yards in a Saginaw, Mich., neighborhood downstream from the company's world headquarters.
Preliminary results from tests conducted in March by the U.S. Environmental Protection Agency found dioxin levels in household dust and outdoor soil that were well above the federal cleanup standard. The amount in a sample taken from one yard was 23 times higher than what the EPA considers reasonably safe.
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