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_ �M---750W. <br /> � w ' ?ham�r tW._ 4 yy _ ram <br /> Western Geo-Engineers (WEGE) was contracted by WOC on November 14, <br /> 1988 to conduct a full site assessment. <br /> On November 15, 1988 personnel from WOC and WEGE visited the site. <br /> Also, on that same day WEGE prepared the necessary work plan and <br /> Permit applications to perform on site exploratory borings and <br /> monitor well construction, with the San Jor--iin Local Health <br /> District, Environmental Health Division (Diane Hinson, R.S.} . <br /> Under the direct supervision of a WEGE geologist, Hogate <br /> Exploration drilled and sampled three exploratory borings (SB-1, <br /> SB-2, SB-3) from ground level clown to the first ground water <br /> encountered (:see FIGURE 3). Based upon 1) chemical results of the <br /> ground water and native soil from these borings; and 2) ground <br /> water direction; three additional on site borings would be sampled <br /> and drilled for the purpose of monitor well construction (MW-1, <br /> MW-2, MW-3) . Each of these borings/monitor wells were drilled <br /> during the week December -9, 1988. A complete report, "SITE <br /> ASSESSMENT" dated February 10, 1984 was presented to WOC and the <br /> ;.; proper regulatory agencies (Environmental Health <br /> Division San <br /> Joaquin Local Health District (EHD-SSC) and Central Valley Region <br /> Water Quality Control Board (RWQCB-CVR)) concerning these initial <br /> steps of the assessment (Phase II). <br /> Recommendations, included in that report consisted of: <br /> 1) "Obtaining the necessary permits to sample, drill, <br /> and construct seven additional on/off site monitor <br /> well:; (to delineate the lateral extent of water <br /> contamination)". <br /> 2) "Prior to installing the new underground storage <br /> tanks and clean fill (pea gravel) within the <br /> existing excavation, place a four inch slotted <br /> "PVC" well at the northeast corner of the <br /> excavation. This well can be utilized later as a <br /> vapor monitoring, recovery or fluid injection <br /> well". <br /> 3) "As 2) above, place a six inch slotted "PVC" well in <br /> the northwest corner of excavation. This well can <br /> be later utilized as a monitor well for sensors, <br /> floats. etc". <br /> 4) Q'Construct a remediation/treatment compound at the <br /> northwest corner of the site with a security fence <br /> and gate". <br />