The Department of Public Health and Environment, Hazardous Materials and Waste Management Division, has adopted changes to 6 CCR 1007-3 Part 261 Hazardous Waste - Identification and Listing of Hazardous Waste, Part 262 Hazardous Waste - Standards Applicable to Generators of Hazardous Waste, Part 265 Hazardous Waste - Interim Status Standards For Owners And Operators Of Hazardous Waste Treatment, Storage, And Disposal Facilities, and Part 265 Hazardous Waste - Interim Status Standards For Owners And Operators Of Hazardous Waste Treatment, Storage, And Disposal Facilities. These changes became effective March 30, 2008. http://www.sos.state.co.us/CCR/RegisterContents.do?Volume=31&Month=3&Year=2008.