FAI, seems this was announced May 25th. 

http://www.oilgaslawbrief.com/shale-plays/

from the article...

"Michigan DEQ officials have indicated that they do not believe the fracturing of underground formations itself is an issue to be concerned about, and that the important issues relate to well construction, water sourcing, and flowback disposal." 

Also, if you read further down in the link, past this article, there are further updates regarding this issue.

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