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• <br />Project: Cripple Creek Hydrogeochemistry <br />Task: Neutralization of Pyrite Oxidation Products <br />• • <br />Date: 4/8/2008 <br />Page 1-2 <br />Cresson Pipe _ _ <br />1. Mix _all of the two Cresson Pipe samples together. <br />2. Crush entire sample to 1/4" maximum. <br />3. Withdraw 1 kg aliquot for HCT (Standard) testing (to be mixed with 1 kg aliquot of crushed South Cresson material). <br />4. Crush 2 kg of remaining material to 200 mesh. <br />5. Wit-hdraw <br />liquots for chemicalanalyses and tests as specified below: <br />a <br />a. MG_test. <br />b. Total metals. <br />c. ABA characteristics. <br />d. Leco Sulfur and Carbon. <br />Squaw Gulch <br />1. Crush entire sample to_114" maximum. <br />2. Withdraw 1 kg aliquot for HCT (Standard) testing (to be mixed with 1 kg aliquot of crushed South Cresson material) <br />3. Crush 2 kg of the remaining material to 200 mesh. <br />4. Withdraw aliquots for chemical analyses and tests as specified below: <br />a. NAG test. _ _ <br />b. Total metals. <br />c. ABA characteristics. - <br />d. Leco Sulfur and Carbon. <br />South Cresson/Cresson Pipe <br />1. Mix together 1 kg of South Cresson standard crush material and 1 kg of Cresson Pipe standard crush material. <br />2. Withdraw 1 kg for HCT_(Standard) HCT. <br />10 erform analyses specified below <br />a. NAG test. - -- <br />b. Total metals. <br />c. ABA characteristics. <br />d. Leco Sulfur and Carbon. <br />South Cresson/Squaw Gulch <br />- - <br />1. Mix together 1 kg <br />f South Cresson standard crush material and 1 kg of Squaw Gulch standard crush material. <br />2. Withdraw 1 kg for HCT (Standard). <br />3. Perform analyses specified below <br />a. NAG test. <br />b. Total metals. <br />c. ABA characteristics. _ <br />d. Leco Sulfur and Carbon. <br /> <br /> <br />Adrian Brown Consultants, Inc.