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7 <br /> bentonite grout was placed above the bentonite seal after the pellets had been <br /> allowed to hydrate a minimum of 30 minutes The grout placement was inspected by <br /> the County EHD A locking PVC diaphragm cap was placed on all wells, and each <br /> wellhead was finished with a water-resistant bolted steel well monument to deter <br /> unauthorized access The concrete seal surrounding the well monuments was sloped <br /> to direct surface water away from the monument Measuring marks on the well <br /> casings and Christy box elevations were measured to the nearest 0 01-foot by a <br /> California-licensed surveyor, The results of this survey are presented in Table 1 <br /> 4 3 Soil Sample-Handling and Analysis <br /> Soil samples obtained for chemical analyses were retained in brass tubes removed <br /> from the sampler The ends of the sample tubes were wrapped with aluminum foil <br /> and covered with tight-fitting plastic caps The sample tubes were then labeled with <br /> the project number, sampling date, boring number, sample depth, and sampler's <br /> initials <br /> Each sample was then placed in a ZIplocT" bag and immediately stored in a <br /> refrigerated cooler. Each afternoon, the samples were picked up by the laboratory <br /> courier and transported to Western Environmental Science and Technology's (West <br /> Labs) certified laboratory Any samples collected after the courier's pick-up were kept <br /> in a refrigerated cooler until the following day Complete chain-of-Custody <br /> documentation accompanied the soil samples to the laboratory Copies of the final <br /> laboratory reports and chain-of-custody documentation are provided in Appendix E <br /> PLOW W 634MPQATSWTE ASSWANTECANMANTECA APT [Apr 26 931 CanonzeEnvironmental <br />