Many Mainers are concerned after seeing "dirty rain" hit the state on Friday.

Thankfully, the phenomenon is likely being caused by a dust storm from Texas and Oklahoma.

Maine DEP Division Director Andrew Johnson says tests have shown that vinyl chloride is not present in the lower region of Maine's atmosphere.

"We are not seeing anything that suggests that we had any impacts," Johnson said. "There could have been particulate material that came down with precipitation, but the window for that would have already come and gone."

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