7112 Waste and Scrap of Precious Metal or of Metal Clad With Precious Metal, Other Waste and Scrap Containing Precious Metal or Precious-metal Compounds, of a Kind Used Principally for the Recovery of Precious Metal (Excl. Waste and Scrap Melted Down Into UnwOrked Blocks, Ingots, or Similar Forms)

7112 (01/1988-..) Waste and Scrap of Precious Metal or of Metal Clad With Precious Metal, Other Waste and Scrap Containing Precious Metal or Precious-metal Compounds, of a Kind Used Principally for the Recovery of Precious Metal (Excl. Waste and Scrap Melted Down Into UnwOrked Blocks, Ingots, or Similar Forms) 71121000 (01/1996-12/2001) Waste and Scrap of Gold, Including Metal Clad With Gold (Excl. Waste Melted Down Into Unworked Blocks, Ingots, or Similar Forms, Sweepings Containing Other Precious Metals) 71122000 (01/1996-12/2001) Waste and Scrap of Platinum, Including Metal Clad With Platinum (Excl. Waste Melted Down Into Unworked Blocks, Ingots, or Similar Forms, Other Precious Metals Containing Ashes and Residues or Dross) 71123000 (01/2002-..) Ash Containing Precious Metal or Precious-metal Compounds 71129000 (01/1996-12/2001) Waste and Scrap of Precious Metal or Metal Clad With Precious Metal (Excl. Waste and Scrap of Gold or Platinum, Melted Down Into Unworked Blocks, Ingots, or Similar Forms, Sweepings Containing Other Precious Metals) 71129100 (01/2002-..) Waste and Scrap of Gold, Incl. Metal Clad With Gold, and Other Waste and Scrap Containing Gold or Gold Compounds, of a Kind Used Principally for the Recovery of Precious Metal (Excl. ash Containing Gold or Gold Compounds, Waste and Scrap of Gold Melted DOwn Into Unworked Blocks, Ingots, or Similar Forms, and Sweepings and ash Containing Precious Metals) 71129200 (01/2002-..) Waste and Scrap of Platinum, Incl. Metal Clad With Platinum, and Other Waste and Scrap Containing Platinum or Platinum Compounds, of a Kind Used Principally for the Recovery of Precious Metal (Excl. ash Containing Platinum or Platinum Compounds, Waste AnD Scrap of Platinum Melted Down Into Unworked Blocks, Ingots, or Similar Forms, and Sweepings and ash Containing Precious Metals) 71129900 (01/2002-..) Waste and Scrap of Silver, Incl. Metal Clad With Silver, and Other Waste and Scrap Containing Silver or Silver Compounds, of a Kind Used Principally for the Recovery of Precious Metal (Excl. Ash, and Waste and Scrap of Precious Metals Melted Down Into UnWorked Blocks, Ingots or Similar Forms)