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<br />To: Mt_ Sneffels Mxaing Co. <br />1653 County Rd! 5 <br />Ridgway, CO $1432 <br />SA <br />Submitted by: Charlie Pontchiak <br />Sample I.D.: See below <br />Comments: Kept 4C till tested <br />' ANALYTICAL TESTING LABORATORY <br />MW Gunnison. Suira 8108, GrWW Junction. 00 81601 7249. (97'0) 242.6154, FAX (a7n) 245-9270 <br />ENVIRO-C" HEM <br />ANALYTICAL. WC. •':::.: <br />Date: Jan. 22, 2009 <br />No: ECAACM 08-04-06 <br />MPLE IDENTIFICATION <br />Date Sampled' Dec. 12, 2008 <br />Date Received: Dee. 12, 2008 <br />Date Tested: Dee. 12-Jan. 21, 2009 <br />NARRATIVE- <br />Three solid samples were subutitted fear testing alums with a letter outlining the required testing <br />parameters and analytes. The samples were ground to meet the specifications in the letter where <br />the samples were ground so that the panicles were ?6o mesh. <br />EPA Method 1312, Synthetic Precipitation Leaching Procedure, was carried out on the samples. <br />The samples were fine of liquid and were determined to contain <0.5001* liquids. <br />Samples were ewacte+d fbr 19 hours using Extraction Fluid #2 per EPA method requirements. <br />Starting pH of extraction fluid #2: 5.01 12/21/2008 <br />Sauiple Identification and h4nuing pH after initial introduction of euracddn fluid- <br />Ore <br />Waste <br />5.43 12/21/2008 <br />5.46 12/21/2008 <br />Ending pH after 19 hours of rotation with won fluid #t2: <br />Ore <br />Waste <br />6.55 12/22/2005 <br />7.48 12/22/2008 <br />Final pH for metals fradtion after addition of HN03: <br />Ore 1.89 12/22/2008 <br />astc 1.77 12=2003 <br />90/b0 39Va AVHONOd Z80Z6bZOL6 6Z-ZZ 600Z/9Z/80