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FULLER MOBILE AIME PARK <br /> Phase I Remedial Work Plan <br /> Page 2 <br /> Phase I of this site investigation will include two (2) soil borings, with one of the bor- <br /> ings tieing developed into a ground water monitoring well The first boil-ig wiil be <br /> drilled t1­oubh the south end of the former tank excavation where the diesel tank was <br />' locat_d I�is area had the highest concentrations of BTX&E and a higher concentration <br /> of diesel than the gasoline concentrations to the north Soil unc:er the diesel tank was <br /> not analyzed for gasoline, but with the high concentrations of 13TX&E we would <br /> eApect to find it Soil sanipang for laboratory analysis will begin at a depth three feet <br /> (T) below the tank removal trampling depth, which is 15 feet Additional samples will <br /> be taken at various depths, as determined by the registered professional, to confirm the <br /> limits of the contamination, and will include a soil sample at the sot]/ground watt r <br /> interface <br /> The second boring, to be developed into a two incl, (2") ground water monitortng Nvell, <br />' will be conducted to the northeast of the former tank excavation This location was �� <br /> chosen for its close proximity to the former tank excavation, b,it Nvill be toe ited outside 1� <br /> the proposed storm water retention pond This location is also suspertc11 10 Cie down l <br /> gradient from the former tank excavation based on county recoids of a ncaiby contain- <br /> mation site at Harlem Road and Thomsen Street <br /> The depth to first ground water, at the Harlem Road and Thomsen Streit rate i4 rLI I A <br /> feet Howe%er, information from other sites in the area indicate watei as dccp as -,5 <br /> feet The soil sampling inter,als and the installation of the borings and mon.toring well <br /> will be conducted according to the following protocol A minimum of three (3) Loil <br /> samples for laboratory analysis will be taken from each boring to help determine the <br /> vertical and lateral extent of the contamination Additional sampling will depend on the / ) <br /> actual depth of ground water and will be determined by the registered profess.on it >r G <br /> 3 1 Drzll n <br /> ig <br /> Permits will be obtained as necessary for all wells (including borings) nefore <br /> drilling begins The soil borings will be accomplished using a mobile mounted <br /> drilling, rig employing the use of a hollow Stt�rn Bight auger no less than 3 114- <br /> inchid and 87/8od <br />' All drilling equipment will be thoroughly steam cleaned before drilling begins, <br /> to preN,ent the introduction of cootaminatron from off site, and betwet'n bc;rivgs <br /> to prevent cross contamination <br /> The horings will be logged under the direct supervision of a registered geologist <br /> using the unified Soil Classification System ('Figure 3) 'l'lie color, texture, <br /> 1 <br />