Pet coke | Michigan Radio
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Pet coke

Pet coke piles on Detroit riverfront in 2013.
Sarah Cwiek / Michigan Radio

A Windsor politician is calling for a bi-national investigation - and an environmental group is calling for the restoration of Michigan's "Polluter Pay" laws.

That's after part of a property owned by Detroit Bulk Storage collapsed into the Detroit River last week.  The collapse is initially being blamed on the weight of massive piles of sand, gravel and other construction materials the company is storing on site.

Nathan Bishop

Federal lawmakers, two from Michigan and two from Illinois, have introduced bills that would require the federal government to address concerns about petroleum coke exposure.

Petroleum coke is a byproduct of refining crude oil. 

The legislation calls for federal agencies to complete a study of the health and environmental risks posed by petroleum coke. It also would require the implementation of federal safety regulations for the storage and transportation of petroleum coke. The standards would be based on the study's findings.