Contacts: Tire-Derived Aggregate

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

Mustafe Botan
Senior Waste Management Engineer
Department of Resources Recycling and Recovery (CalRecycle)
1001 I Street,
Sacramento, CA
Phone: (916) 341-6367

Joaquin Wright
2235 Mercury Way, Suite 150
Santa Rosa, CA 95407
Phone: (707) 523-1010

Local Assistance Contacts

For more information contact: Tire Management Program Hotline,