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s <br /> will be performed for the purposes o£ obtaining a <br /> d site survey The drawing will be used to accurately <br /> detailed and scaled drawing. <br /> locate sampling locations. The survey will also determine the <br /> - volume of the excavation <br /> con constraints to excavation andthe <br /> remediatiexcavated <br /> on. soil, <br /> and identify physical <br /> . Y18df�n <br /> Five soil borings will be installed around the perimeter of the existing <br /> excavation as shown in Figure 2-1. Two a£ the borings will be <br /> installed ose to former <br /> n the northeast eide ofborin borings, be placed 5ion ofest from he <br /> sampling location S6. Thea g <br /> edge of the excavation <br /> of the borings will be installed oadv d <br /> xn the ced to the firstw unconfined <br /> e of <br /> groundwater. O <br /> to determine if contaminants <br /> the excavation along the property line <br /> migrated beyond former sampling location S3. The other two <br /> have of the excavation <br /> R borings will be installed 5 feet fro locations S1 and Stin the e Additional borings <br /> adjacent to former sampling <br /> may be installed depending on the findings of these five v <br /> borings. Where contamination �ual <br /> has been confirmed by <br /> i staining, l be <br /> odor, or analyticalfromtul <br /> heedge of the excav, additional ationlluntil <br /> advanced radially outward <br /> clean soil is founds• All borings will be installed using a mobile truck <br /> ng hollow stem augers. The soils from the <br /> mounted drill rig usi <br /> borings will be logged according to the Unified Soil Classification <br /> System (Appendix B)• The drilling logs will be based on information <br /> ngs, actual soil samples, and changes in <br /> obtained from drill cutti <br /> drilling characteristics. Locations of utilities on the former tank site <br /> to proceeding with the soil investigation. <br /> will be identified Friar <br /> All borings will be adva;tced to the depth of the first, encountered <br /> unconfined groundwater. : ItL addition, groundwater samples will(See <br /> collected from selected byiri,Qgs using a modified hydropunch (See <br /> 4- section "Groundwater Sample Collection"). <br /> A single baring will be advanced to approximately 75' in a confirmed <br /> neCt <br /> clean zone in order to determine sllayerslayers or addithe first tional <br /> onal <br /> aquifer and the presence of any underlying <br /> intermediate aquifer This in will be importand any <br /> t for <br /> estimating flow characteristics of the�r3 unconfined <br /> rlying a terer bearing <br /> possible hydraulic communication <br /> formations.. <br /> All soil borings will be installed on Manna Pros property. No borings will be <br /> 1 y without prior <br /> advanced beyond the boundaries rof the <br /> property Manna Pro facility.property <br /> approval from the appropriate <br /> 2-2 <br />