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Macomb County Engineers Working To Stop Green Substance Spread On I-696

MADISON HEIGHTS, Mich. (CBS DETROIT) - Macomb County engineers are working to stop the spread of a green substance found oozing onto I-696, according to officials.

Officials say it's more than likely headed to Lake St. Clair through storm drains.

The ooze on the eastbound side of I-696 — which has been identified as hexavalent chromium — was discovered Friday.

Officials testing results haven't been returned yet, but officials with the Michigan Department of Environment, Great Lakes, and Energy say it poses no immediate threat.

Since there are no drinking water wells in the area, officials say there is no immediate threat to drinking water quality.

More on the substance here.

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