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40 <br /> J. H. KLEINEELDER & ASSOCIATES <br /> File: W-2001-1 <br /> January 29 , 1986 <br /> Page 9 <br /> wells. The development equipment <br /> for cross contamination between <br /> lis by <br /> steam cleaning the exterior <br /> was decontaminated between we <br /> umping hot water solution through the tubing. <br /> surfaces and by p <br /> development water was placed in the pond. Well development <br /> The <br /> information is presented in Table 1 - <br /> C. Monitoring Well Samplingerated <br /> The monitoring <br /> wells were sampled using an ISCO air-op <br /> bladder pump with stainless steel casing , silicone rubber <br /> bladder, and Teflon sample lines. Prior to sampling, the wells <br /> were purged and the pH, electrical conductivity, and temperature <br /> of the discharged ground water were measured and recorded. <br /> Sampling was conducted after the field measurements stabilized. <br /> y Purge characteristics are shown in Table 2. The purged water was <br /> 3 placed in the pond on-site. <br /> The ISCO pump was disassembled and steam cleaned between wells, <br /> and at least five gallons of hot water were pumped through the <br /> ` pump assembly before sampling each well. Samples were collected <br /> in appropriate containers supplied by the contract laboratory. <br /> The sample bottles were rinsed at least three times with <br /> sample water before the sample was collected. Samples were <br /> appropriately preserved if required by the analysis method. The <br /> samples were labeled, placed in cooled iced chests, and delivered <br />