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`mob II <br /> a Fuller Mobile Home Park <br /> 365 East Louuse Avenue,Lathiop, California September 6, 1994 <br /> ' Phase HAdditional Site Characterization Page: 3 <br /> Water <br /> /33I9�aad BT E X Gas Dieser <br /> /k I /k /k fk m 1k ' mg/kg <br /> VIII i_ <br /> B-1 110 :IIM_ 5.7 340 990 5.9 280 <br /> B-2 18 111 7.8 64 140 3.1 k 1.2 <br /> B-3 790 111 5.1 29 44 2.2 190 <br /> B-4 140 :!I 16 270 460 3.7 ,F 3.4 <br /> i <br /> M193 �Y II <br /> MW-1 89.3 -11.1 35.2 .18.9 109 12.7 <br /> MW-1 Bailer ND III ND ND ND ND ii. ND <br /> MW-2 12.7 111: ND ND 207 11.4 IN' ND <br /> MW-2 Bailer ND '111 ND ND ND ND it ND <br /> MW-3 375 ND ND 187 5.25 16 ND <br /> MW-3 Bailer ND ND ND ND ND <br /> Tri Blank ND ii�� ND ND ND ND <br /> a 3.0 Site Work Plan <br /> WHF Environmental proposes to drill a maximum of seven soil borings and1complete four <br /> of them as groundwater monitoring wells. The wells will be located at a greater distance <br /> from the former tank site than ttie previous well locations and include a well'ofd'site to the <br /> .East. Soil borings and hydropunch type sampling will also be conducted off site to the <br /> east to better define soil and groundwater limits (Figure 2). The pump will be removed <br /> from the domestic well located at the north west corner of the house and a locking service <br /> box installed over the well casing. This well will be sampled at least ''once and the <br /> elevation measured and included in the gradient calculations. This well', will be kept <br /> available as a groundwater monitoring.well for gradient purposes but will not be included <br /> in the quarterly sampling events unless impacted by the petroleum compounds. <br /> I <br /> Laboratory soil samples will be taken from all borings at five foot intervals) including the <br /> capillary fringe. A minimum of ptwo soil samples from each boring will be selected for <br /> analysis based on odor, discoloration, and previous findings by the registered professional <br /> in order to demonstrate a clean'l lateral interface. All other samples will l e held by the <br /> laboratory pending the results of the first samples. <br /> I� <br />