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r .. <br /> - <br /> N,_-RivAT?CNA=Tr_C:1'0LCGY CCR PCRA7:0 i <br /> 1.0 INTRODUCTION <br /> E The purpose of this investigation was to evaluate 0e quality of soil and <br /> groundwater at BP Station No. 11192, located at 1403 Country Club Boulevard in <br /> Stockton, California. <br /> This Site Assessment Report describes the methodology, results, and <br /> interpretations of the implementation of the IT Corporation PRELjAINARY <br /> HYDROGEOLOGIC ASSESSMENT. This work wis per�lormed for RP Oil Company under <br /> — the supervision of California Registered Geologist Dennis P. Dunn. <br /> 2.6 : SCOPE OF WORK <br /> r' ` J The scope of work of this investigation included the following work elements: <br /> • Drilling of four boreholes. and the subsequent installation of <br /> monitoring wells21 . <br /> w Collection and analysis of one soil sar6o.le_from each boring. <br /> €. _J • Collection and analysis of water samples from each well. <br /> • SUrvey ng all wells to a common datum. <br /> i <br /> 3.0 FIELD INVESTIs;AT:OfiI <br /> All field investigative methods conformed to those delineated in the IT <br /> Corporation PRELIMINARY HYOROGEOLOGIC ASSESSMENT. IT Caraoration.obtained the <br /> \j lead age•,icy's (San Joaquin Public Health Services Environmental Wealth <br /> µ Division) approval of the work plan (Preliminary Hyerological Assessment; and <br /> obtained the San Joaquin County Sped7a1 Well Permit No. 90-957 on 23 April }„ <br /> f 1990. Since three of the wells were .less than fifty feet from a sanitary . <br /> sewer, special permits had to be issued requiring the groundwater from these <br /> ( three wells to also he sampled for fecal coliform. Prior to drilling, we <br /> and boring locations were marked in white paint. underground Services Alert <br /> z <br /> -- - - -( ; <br /> uSA was`Siotifo2d.''on_26-April 1990 A?1 permits refer:-ed to in-this -- — - <br /> paragraph areincluded in Appendix A. <br /> 1:ENG:7024/072390 <br /> y <br /> I _ � - <br />