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(i) No groundwater will be encountered except when receiving rainfall or <br /> melting snow. All areas probable to runoff will be lined with: <br /> 1. Hay Bales See Exhibit E Map 1. <br /> (j) Specify how you will comply with applicable Colorado water laws and <br /> regulations governing injury to existing water rights. <br /> • Water for closed circuit mining operation will be brought into operation and purchased <br /> from City of Idaho Springs. <br /> • Operation will not encounter any water except during rainfall and snow melt. Erosion and <br /> sediment control through: <br /> 1. Hay Bales See Figure E and Diagram 2. <br /> (k) Results from Huffman Labs provided below show no acid or toxic <br /> producing materials would be encountered during the surface trenching <br /> process. <br /> Note: The only negative (-I) ABP from top soil sample is caused by decaying pine needles and <br /> related ground media. Attached is Illustration 3 that provides location and depth of samples taken <br /> for Huffman Labs test. <br /> Huffman Client S,% S,% S,% S,% S,% C,% AGP NP ABP <br /> Sample No. Sample No. HCI insol <br /> pHNO,insoltotal "sulfate" "pyritic" carbonate CaCO3g/kg CaCO3B/kg CaCO3BAcg <br /> 124915-01/133015-01 1 0.02 NA 0.04 0.02 NA <0.02 -0.6 0.0 -1 <br /> 124915-02/133015-02 2 <0.01 NA 0.29 0.29 NA <0.02 0.0 0.0 0 <br /> 124915-03/133015-03 3 <0.01 NA 0.20 0.20 NA <0.02 0.0 0.0 0 <br /> 124915-04/133015-04 4 <0.01 NA 0.06 0.06 NA <0.02 0.0 0.0 0 <br /> 124915-05/133015-05 5 <0.01 NA 0.05 0.05 NA <0.02 0.0 0.0 0 <br /> Samples were received as coarse ground material and splits were reground to nominal-200 mesh(<75 urn)prior to analysis. <br /> Analyses were performed in duplicate with averages reported. Sulfur forms were not analyzed(NA)at this time. <br /> Acid generation potential is calculated from initial analyses assuming all sulfur present is sulfide sulfur and contributes to <br /> AGP;this number could possibly be reduced by doing sulfur speciation and subtracting sulfur that has already been <br /> oxidized to sulfate and no longer able to contribute to the AGP. <br /> AGP Acid Generation Potential all potentials expressed in grams CaCO3 per kilogram soil <br /> NP Neutralization Potential grams per kilogram=tons per thousand tons=parts per thousand <br /> ABP Acid Base Potential negative sign denotes CaCO3 deficiency(potential acid excess) <br /> Teton Drilling Inc. <br /> Dixie Mine-Clear Creek County,CO <br /> Updated Revisions-February 4,2016 <br /> Page 19 <br />