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<br />• <br /> <br />Lorrnciro Canvon Minr -Geology 7echNCal ReOOrt <br />TABLE G-Z <br />LORENCITO CANYON MINE <br />GEOCHEMICAL ANALYSIS METHODS <br />Parameter Method <br />Air Dry, Crush & Pulverize USDA No. 18 <br />Saturated Paste Extraction ASA No. 9 10-2.31 <br />pH USDA No. 60 (21a) <br />Conductivity EPA 120.1 <br />Calcium EPA 6010, ICP <br />Magnesium EPA 6010, ICP <br />Sodium EPA 6010, ICP <br />SAR USDA No. 60 <br />Saturation Percent ASA No. 9 10-2.31 <br />Solids, Volatile SM 209D <br />Lithologic Classification Visual <br />Texture (sand, silt, clay) ASTM D-422 <br />Hot Water Extraction ASA No. 9 80-3 <br />Boron EPA 6010, ICP <br />Selenium SM 3500 Se-C, Hydride <br />Sulfur Forms EPA 600/2-78-054 3.2.6 <br />Water Extraction ASA No. 9 81-3 <br />Nitrate/Nitrite, Soluble EPA 353.2 <br />AB-DTPA Extraction ASA No. 9 3-5.2.3 <br />Arsenic, Extractable EPA 7061, GFAA <br />Iron, Extractable EPA 6010, ICP <br />Lead, Extractable EPA 6010, [CP <br />Manganese, Extractable EPA 6010, ICP <br />Mercury, Extractable EPA 7470 CVAA <br />Molybdenum, Extractable EPA 6010, ICP <br />Zinc, Extractable EPA 6010, ICP <br />Geology~751DecemDer l6, 1996 4 <br />