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i <br /> hn K L E I N F E L D E R <br /> z <br /> assessment was warranted at that time. Kleinfelder is not aware of any sampling that has ever <br /> occurred beneath the SS-1H tank. <br /> Both tanks have been pumped out and are essentially empty. <br /> PROPOSED SERVICES <br /> k <br /> Task E01 - Permitting and Pre-Field Activities <br /> Kleinfelder can prepare a boring/well permit application, a proposed boring/well location map, <br /> for submittal along with this proposal to PHS/EHD. <br /> Prior to drilling and sampling, Kleinfelder personnel will review the scope of work, prepared a 1 <br /> I. <br /> health and safety plan for our field activities, coordinate the work to be done with subcontractors, <br /> the property owner and clients, assemble the necessary sample containers, and check, calibrate <br /> and clean equipment to be used in the field. <br /> Additionally, Underground Service Alert (USA) will be informed of the boring locations and the <br /> scheduled date of the drilling. <br /> Task E02 - Drilling of Four Angled Soil Borings <br /> Kleinfelder proposes to drill four soil borings (two at each UST) at UST locations designated as <br /> SC-250 and SS-1H. The four (4) angled soil borings will be advanced to approximately 30 feet <br /> (auger length), and accounting for the angle, to a total vertical depth of approximately 21-22 feet <br /> below ground surface (bgs). The soil borings will be advanced using a truck-mounted drill rig <br /> equipped with 6-inch diameter hollow stem augers. The borings will be drilled, logged, and <br /> sampled according to the protocol described in Attachment B. <br /> During the advancement of the borings, soil samples will be collected at five foot (auger) <br /> intervals for lithologic classification and qualitative field screening. Two (2) soil samples from <br /> each boring will be submitted to the laboratory for analyses and will include the sample from the <br /> bottom of the boring. Additionally, field screening will be accomplished with an organic vapor <br /> analyzer (OVA). The OVA measures ionizable compounds in air in parts per million by volume <br /> (ppmv). Lithologic classification will be based on the Unified Soil Classification System <br /> (USCS). Currently, based on our experience, we do not anticipate groundwater in the vicinity of <br /> the project site. <br /> 20-YP8-262/2018P285r/2018C595 Page A-2 <br /> Copyright 1998,Kleinfelder,Inc. November 4, 1998 f <br />