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

Stacey M. Patenaude
Materials Recycling Engineer
Department of Resources Recycling and Recovery (CalRecycle)
1001 I Street,
Sacramento, CA
Phone: (916) 341-6418

Joaquin Wright
GHD
2235 Mercury Way, Suite 150
Santa Rosa, CA 95407
Phone: (707) 523-1010
E-mail: Joaquin.Wright@ghd.com
Website: www.ghd.com

Local Assistance Contacts