California Code, Public Resources Code - PRC § 14515.6

“Physical recycling location” means the area in a convenience zone served by one or more reverse vending machines which accept all empty aluminum, glass, and plastic beverage containers and issue a cash refund or a redeemable credit slip and are located within 10 feet of each other.  The physical recycling location shall redeem odd sized empty beverage containers or empty beverage containers made from other material types in a manner approved by the department.  “Physical recycling location” does not include a combination of reverse vending machines which accept less than all empty aluminum, glass, and plastic beverage containers and one or more dropoff bins.