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KLEpVFELDER <br /> BigM1l Fkaple.Ri9Ff SOIWw. <br /> augers, will be used to advance each of the borings. Subsurface water is not expected <br /> to be encountered or sampled as part of this scope of work. <br /> The soil samples will be obtained using a hand auger and slide-hammer sampling <br /> device. Hand tools and hand-auguring techniques are less invasive than drilling, and <br /> are typically sufficient for shallow soil sampling. Soil samples will be obtained by driving <br /> a 2-inch diameter by 6-inch long stainless steel tube into the soil using a slide hammer, <br /> forcing soil into the tube. The stainless steel tube is removed from the boring and <br /> sealed with Teflon sheeting and plastic end caps. The hand auger borings will be <br /> backfilled with a grout slurry. <br /> Soil samples will be collected continuously during the advancement of the pushprobes <br /> at depths ranging from near surface to a maximum depth of approximately 15 feet bgs. <br /> During the advancement of the borings, soil samples will be collected for lithologic <br /> classification based on the Unified Soil Classification System (USCS). <br /> Two soil samples are to be collected at each of two shallow borings and three at each <br /> of the three deeper borings. Soil samples will be collected at the invert depth and <br /> within approximately 2 to 3 feet beneath the invert depth of the nearest lateral drain or <br /> main sanitary sewer line. Shallow soil samples will also be collected at depths of <br /> approximately 7 feet bgs from the three deep borings. Sampling depths may vary <br /> depending upon field observations indicating evidence of environmentally impacted <br /> soils (discoloration or unusual odors). However, it is estimated two to three soil <br /> samples from each boring will be sufficient for the purposes of the assessment. <br /> After collection, the soil samples will be labeled, logged on a chain-of-custody form, and <br /> immediately stored in an iced cooler. The samples will be transported under chain-of- <br /> custody control to Kleinfelder's office and then transported by courier in a chilled <br /> container to a State Certified Laboratory to perform the requested analyses. <br /> Kleinfelder will submit 10 soil samples during the soil investigation for the following <br /> analyses: <br /> • VOCs by EPA Method 8260 B <br /> • Total Extractable Petroleum Hydrocarbons as referenced to Stoddard Solvent <br /> by EPA Method 8015M <br /> The samples will be analyzed on a standard 5 to 10 business day turn around time. <br /> 104164/ST09P106 Page 3 of 5 June 11, 2009 <br /> Copyright 2009 Kleinfelder <br />