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i <br /> Where possible, shallow soil borings will be advanced and sampled using hand auger <br /> techniques. A hand auger consists of a manually advanced 6 inch by 3 1/4 inch diameter steel <br /> bucket auger that is connected to 3 foot long steel extension rods. <br /> 4.2 SOIL SAMPLING PROCEDURES <br /> i Soil boringswill beadvanced utilizing direct-push Geoprobe..and hand augertechniques <br /> as described above. Soil samples will be collected using Geoprobe' push driven discrete and <br /> r continuous core samplers fitted with 1 1/16-inch diameter inner liners composed of PETG (clear <br /> plastic), or stainless steel, and driving the probe to the desired sampling depth. Upon removal <br /> from the sampler, sample rings will be separated with a clean soil knife. The exposed ends of <br /> the rings will be covered with Teflon sheets and secured with tight-fitting plastic end caps. Soils <br /> encountered in the borings will be visually classified by a Dames & Moore representative in <br /> accordance with the Unified Soil Classification System (USCS). <br /> During the completion of hang auger borings, representative soil samples will be <br /> collected directly from the inside of the bucket auger. Soil samples will be transferred to the <br /> proper sample container using a stainless steel or carbon steel tool. <br /> Bulk surface grab samples will be collected using a stainless steel, polyethylene, or <br /> carbon steel spoon, trowel, or shovel. Grab soil samples will be collected and transferred to the <br /> proper sample container using a stainless steel tool. <br /> Following sample collection, sample labels will be affixed to the sample containers with <br /> the following information: sample number, depth, date, collector name, owner, location, job <br /> number, and time of collection. Appropriately sealed and labeled samples will be placed in <br /> cooled ice chests. The ice chests will also serve as containers for delivering samples to the <br /> analytical laboratory. Chain-of-custody records will be maintained using standard forms, and <br /> routed to the analytical laboratory with the sealed ice chests containing the samples. <br /> 1 <br /> 4.3 GROUNDWATER SAMPLING PROCEDURES <br /> Soil borings completed for in-situ groundwater sample collection will be advanced using <br /> direct-push GeoprobeT" techniques described in Section 4.1. GeoprobeT" borings will be <br /> r� advanced to the top of the groundwater table as identified by the collection of a saturated soil <br /> sample. Groundwater beneath the site is estimated to be approximately 18 feet bgs. <br /> SAC 187.14 j <br /> DAtitFS & 1vlC)CIRE <br />