These regulations apply to:
These regulations do not apply to the use or disposal of grit or screenings generated during primary treatment of domestic sewage in a wastewater treatment works, hazardous sewage sludge, grease (except grease removed in primary, secondary or advanced wastewater treatment processes and added to a biosolids treatment process), commercial or industrial sludges (regardless of whether or not combined with domestic sewage), domestic or industrial septage, or sludge generated during treatment of drinking water.
5 CCR 1002-64.3