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Appendix A <br /> • <br />' Field Procedures <br /> Page 3 <br /> as-built well diagram is included as part of the boring log for B l O/MW 1 provided in Appendix <br /> B The well was constructed under the supervision of a California Registered Geologist <br />' Monitw in II <br /> _ �We Development and Sampling <br />' A minimum of 24 hours after well construction was completed, the water level in the well was <br />' measured with an electronic well sounder and the well was checked for free product using a <br /> clear bailer and product paste No product was observed, and the well was subsequently <br /> developed by surging with a stainless steel bailer and pumping with a submersible pump The <br />' pump was raised and lowered over the wetted screened interval Approximately 47 gallons of <br /> water were removed, by which time temperature, pH and conductivity readings had stabilized <br /> and the water was clear of sediment After a minimum of one hour from the time of <br /> development, an additional 8 gallons of water were removed at a reduced flow rate A water <br /> sample was then collected using a new polyethylene disposable bailer Water from the bailer <br /> was decanted into appropriate sample containers provided by the laboratory The sample, <br />' along with a travel blank was immediately placed in an ice-chest containing ice and submitted <br /> under chain-of-custody to a California-certified laboratory for analysis of TPH as gasoline and <br />' BTEX using EPA methods 8015 and 602 <br /> Pumping equipment was cleaned prior to development/purging of the well with a solution of <br />' liquinox and water to minimize the potential for cross contamination Water removed during <br /> development and purging operations was stored in a sealed and labeled 55-gallon drum <br /> 1 <br />