36 samples were analyzed for gold, platinum and palladium using Inductively Coupled Plasma - Atomic Fluorescence Spectroscopy after HF-HNO3-HClO4 acid digestion with an HCl leach. 36 samples were analyzed for trace elements using Inductively Coupled Plasma - Atomic Emission Spectroscopy after HF-HNO3-HClO4 acid digestion with an HCl leach. 36 samples were analyzed for silver using Atomic Absorption Spectroscopy after HF-HNO3-HClO4 acid digestion with an HCl leach. 36 samples were analyzed for tin using Atomic Absorption Spectroscopy after Ammonium Iodide Sublimation.