Mixed Auto Fragments shall consist of sorted auto shredder fragments that have been magnetically separated to remove the majority of iron and steel and a secondary seperation has been performed (such as eddy current or spacific gravity classification) to consolidate the non-ferrous metals content. The content shall be a minimum of 50% aluminum and a minimum of 80% total non-ferous metals unless otherwise stated. ISRI grade Zorba may be included in this material.