In managing the regulation of hazardous waste, federal policy has been aimed at two problems (Hint: Module 13 Slide 81) A. storage of current wastes and transportation of current wastes. B. clean up of previous disposal sites; and storage, transportation and disposal of current wastes. C. transportation and disposal of current wastes and clean-up of previous disposal sites. D. transportation and disposal of current wastes; and clean-up of current storage sites