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S A <br /> P <br /> V+a <br /> APPENDIX F <br /> WELL D3vELOPMENT, WATER <br /> SAMPLING PROCEDURES, AND FIELD SURVEY FORMS <br /> All purging and ground water sampling equipment was cleaned <br /> �. prior to use to minimize cross-contamination between wells. <br /> All equipment in piing eventhinround watersuccessive bathswas cons <br /> prior to each sampling water, and deianized water. <br /> of tripolyphosphate solution, tap veloped and purged in <br /> Prior to sampling, the well was de <br /> accordance with ELA protocol. During purging, pHA <br /> temperature, and electroconductivity were measured <br /> periodically until these parameters stabilized, indicating <br /> formation :cater had entered the well casing. purged <br /> barrels prior to disposal or recycling <br /> water was pumped into <br /> at an appropriate waste disposal facility. <br /> Ground water samples were collected by lowering a <br /> 2-inch-diameter, bottom-fill, Teflon bailer just below the <br /> water level in the well. The samples were carefully <br /> heck-var to <br /> transferred from 40h illiliterlglass ucontainersed �fibtedewith <br /> zero-h-seale , <br /> Teflon <br /> pnot present. Each rsample rwas labeled ted to rwith <br /> at <br /> entraped air le date, and geologist's <br /> 41 sample number, well number, sar <br /> initials. The samples remained on ice prior to laboratory <br /> analysis. <br />