Shall be composed of a combination of the nonferrous metals aluminum, Copper, Lead, Magnesium, Stainless steel, Nickel, Tin, And zinc, In elemental or alloyed solid form. The fraction of each metal within the non ferrous concentrate shall be subject to understanding established with the buyer and seller. Material generated by air separation, Eddy current flotation, Screening, Others egregation or a, Technique s combination thereof. Shall have passed one or more magnets to reduce or eliminate free iron and/or large iron attachments. Shall lacking any radioactive material, Dross, Or ash. Material to be bought/sold under this guideline shall be identified as zorba with a number to follow in dicating the estimated percentage non ferrous metal material within the material e. G., Zorba 90 means the material contains approximately 90% non ferrous metal content . Might likewise be screened to perm it description by specific size ranges.