Zinc waste and scrap:Zinc scrap, namely the following: Old zinc die cast scrap covered by ISRI Code word 'Saves'; New zinc die cast scrap covered by ISRI Code word 'Scabs';New plated zinc die cast scrap covered by ISRI Code word 'Scope'; Zinc die cast automotive grills covered by ISRI Code word 'Scoot'; Old scrap zinc covered by ISRI Code word 'Score'; New zinc clippings covered by ISRI Code word 'Screen'; Zinc die cast sla bs or pigs covered by ISRI Code word ‘Scull’; Crushed clean sorted fragmentizers die cast scrap, as produced from automobile fragmentizers covered by ISRI Code word ‘Scribe’; Hot dip galvanizers slab zinc dross (Batch process) covered by ISRI Code word ‘Sc rub’ (minimum 92% zinc) – free of skimmings; Continuous line galvanizing slab zinc top dross covered by ISRI Code word ‘Seal’ (minimum 90% zinc) – free of skimmings; Continuous line galvanizing slab zinc bottom dross covered by ISRI Code word ‘Seam’ (minim um 92% zinc) – free of skimmings; Prime zinc die casts covered by ISRI Code word ‘Shelf’ (85% zinc) – free from corrosion or oxidation ;Unsorted zinc die cast scrap produced from automobile fragmentizers containing about 55% zinc-bearing scrap covered by I SRI code word 'Scroll'..