The Nevada State Environmental Commission is proposing to adopt by reference changes to the federal hazardous waste regulations through July 1, 2008. Changes include the revision to an existing exclusion from the definition of solid waste, and thus from regulation as hazardous waste, for recycled oil bearing hazardous secondary materials and clarifications to previously approved air pollution regulations. http://www.leg.state.nv.us/register/2008Register/R153-08I.pdf.