Contact the following persons for more specific information regarding the use of tire-derived aggregate (TDA)–made from shredded waste tires—for public works projects and other civil engineering applications.
Technical Assistance Contacts
Senior Waste Management Engineer
Department of Resources Recycling and Recovery (CalRecycle)
1001 I Street,
Phone: (916) 341-6367
For more information contact: Tire Management Program Hotline, WasteTires@calrecycle.ca.gov