Stephen Boyle has been actively asking and answering questions about petcoke. He explained the intricacies of the EPA's hazardous waste guidelines at a recent community meeting while sporting a ... more 
Stephen Boyle has been actively asking and answering questions about petcoke. He explained the intricacies of the EPA's hazardous waste guidelines at a recent community meeting while sporting a t-shirt from HELPPA.org that calls attention to the broader issue of oil sands development. less 
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Scientific American
Fri, Jun 21, 2013 9:15 AM EDT