Laserfiche WebLink
<br />• <br />Lorencim Cagyon Mirte • Suryace Warcr Technical Report <br />TABLE SW-2 <br />LORENCITO CANYON MINE <br />SURFACE AND SPRING WATER ANALYSES <br />Parameter Method Detection Limit (mg/L) <br />Sodium, Dissolved EPA 200.7 ICP 0.3 <br />Orthophosphate EPA 365.1 0.005 <br />Cyanide, Free EPA 335.3 0.1 <br />Thiocyanate SM 4500 M-CN 0.1 <br />Sulfide (as H.S) EPA 376.2 0.02 <br />Chromium, Hexavalent SM 3500 D-CR 0.005 <br />Chromium, Trivalent Calcula[ion 0.0L <br />Dissolved Metals <br />Aluminum EPA 200.7 ICP 0.03 <br />Arsenic EPA 206.2 GFAA 0.001 <br />Cadmium EPA 2t3.2 GFAA 0.0005 <br />Capper EPA 200.7 ICP 0.01 <br />Iron EPA 200.7 ICP O.OI <br />Lead EPA 239.2 GFAA 0.001 <br />Manganese EPA 200.7 iCP 0.005 <br />Mercury EPA 245.1 CVAA 0.0002 <br />Molybdenum EPA 246.2, GFAA <br />Nickel EPA 200.7 iCP 0.01 <br />Selenium SM 3500-Se C, AA-Hyd. O.OOI <br />Silver EPA 200.7 ICP 0.005 <br />Zinc EPA 200.7 iCP O.OI <br />Total Recoverable Metals <br />Chromium EPA 200.7 ICP 0.01 <br />Iron EPA 200.7 ICP 0.01 <br />Manganese EPA 200.7 ICP 0.005 <br />Toul Recov. Digestion EPA 3005 n!a <br />Total Metals <br />Iron EPA 200.7 ICP 0.01 <br />Manganese EPA 200.7 ICP 0.005 <br />Total Metals Di estion EPA 3010 n/a <br />The identified methods correspond to analytical procedures identified in 40 CFR 136 with two <br />subtle exceptions. The automated technique for selenium was utilized rather than the manual <br />technique. The total methods digestion, EPA 3010 is compazable to 4.1.3 of EPA's "Methods for <br />Chemical Analysis of Water and Wastes." <br />Alternative Water Supply Information <br />To deternune the uses of water within and surrounding the proposed permit boundary, both aerial <br />• and ground surveys were performed. Any diversion of surface water flows were noted. <br />swA7s~AprB za, tv9•r 7 (revised 4/24/97) <br />