NASCAR has suspended two crew members for violating the substance abuse policy. Matthew Huffstetler, a crew member with the No. 01 Camping World Truck Series team, and William Keith, a spotter for the No. 38 Sprint Cup Series team, have been suspended indefinitely for violating Sections 12-1 (actions detrimental to stock car racing) and 19 (violation of the NASCAR substance abuse policy) of the 2010 NASCAR rule book.