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1 <br />~ rechecked by the laboratory and, if confirmed, will be reported by <br />FAX'd letter and by phone to the Colorado Mined Land Reclamation <br />Division. <br />' 2.2 Ground Water Sample Collection <br />' This protocol outlines procedures and equipment for the collection <br />of representative ground water samples from the monitoring wells. <br />2.2.1 Cleaning of Samplin~Equipment: All equipment (pumps, bailer, etc. ) <br />' used for sample collection will be cleaned before samipling, and <br />between samples. Between sampling periods, all sampling equipment <br />will be stored in an area to minimize the potential for <br />contamination of the equipment. <br />' If used, submersible pumps, discharge hoses and cables will be <br />' cleaned prior to initial use, and after pumping each well, in the <br />following manner: <br />(1) external surfaces will be brushed free of all loose <br />material, washed with non-phosphatic detergent solution <br />and rinsed with clean tap water; <br />(2) internal surfaces will be cleaned by placing the pump in <br />a clean drum with non-phosphatic detergent solution, <br />allowing the pump to operate, followed by a clean tap <br />water rinse with the pump operating; <br />(3) cleaning solutions will be contained and disposed of <br />properly (if required); <br />' (4) the pump, discharge hose and cable will be wrapped in <br />' plastic sheeting for transportation and storage. <br /> <br />-12- <br />1 <br />