Detroit Diesel Corporation imported twelve heavy duty diesel engine at the port of Savannah, Georgia. Nine of the engines bore defective emisions information labels because the labels were not permanently affixed to the engines; and, three of the engines bore defective exemption labels that could be removed without destroying or defacing the labels. This constitutes twelve violations of Section 203(a) of the Clean Air Act, and 40 CFR Parts 85 and 86.