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3 Pump Decontamination <br /> The pump and hoses are decontaminated between wells in a three-step process <br /> 0 Step 1, First wash <br /> The pump and hose that has been submerged in the well are washed in a five gallon bucket with <br /> TSP water, then pump is turned on and TSP water is allowed to circulate trough the pump and <br /> back into the bucket <br /> • Step 2, Second wash <br /> The pump is then placed in a SS gallon drum of TSP water and approximately 2 gallons of <br /> water are pumped into the recovered water drum Then fresh water is used to rinse the outside <br /> of the pump, allowing the water to fall into the TSP drum <br /> • Step 3, ]Final Rinse <br /> The pump is placed in the freshwater drum and 2 gallons of water are pumped into the <br /> recovered water drum <br /> i <br /> S <br /> ■ <br />