In order of appearance:
Bishops Canyon Landfill (now closed), Los Angeles, CA 
Calabasa Landfill, Agoura Hills, CA
Chiquita Canyon Landfill, Santa Clarita, CA
El Sobrante Landfill, Corona, CA
Frank R. Bowerman Landfill, Irvine, CA
Olinda Landfill, Brea, CA,
Puente Hills Landfill, City of Industry, CA
Scholl Canyon Landfill, Glendale, CA
Simi Valley Landfill, Simi Valley, CA
Sunshine Canyon Landfill, Sylmar, CA
Whittier Landfill, Whittier, CA