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' k9 KLEINFELDER 3.0 SCOPE OF WORK City and County boring permits and a County encroachment permit were obtained prior to advancement of fifteen (15) pushprobe borings (GP-8 through GP-22) and six Cone Penetrometer Tests (CPTs) on April 18, 2003 Kenko Contractors, Inc reportedly obtained the City encroachment permits, and Kleinfelder obtained the County boring/encroachment permits Soil and ' groundwater samples were obtained at GP locations and the soil logs were electronically obtained from the CPT locations (PT-13 through PT-18) A single soil and water sample were collected from each of the pushprobe locations and analyzed for petroleum constituents, volatile organic compounds and total lead per the request of City of Stockton The pushprobe and CPT locations are referenced on Plates 1 and 2 ' 31. INTRODUCTION ' The CPT probes were advanced to assess lithology and trench stability issues only, therefore, the findings related to the CPT borings will be summarized in a separate report This report documents ' findings from the last two areas assessed along the proposed pipeline routing, including the Mission Area (proximity to intersection of Country Club and Mission Road) and Pershing Area (proximity to intersection of Country Club and Pershing Avenue) These two sites were initially identified by M San Joaquin County Public Health Services Department Environmental Health Division (PHS/EHD), as areas in which nearby sites may impact soil and/or groundwater beneath the proposed pipeline routing Kleinfelder has previously assessed two areas located on the eastern ' portion of the project including the Shell and Franklin Site Areas The findings of these areas are documented in two separate reports ' 32 PERMITTING AND PRE-FIELD ACTIVITIES ' Kleinfelder met with San Joaquin County Public Health Services Department Environmental Health Division (PHS/EHD), the City of Stockton, and the County of San Joaquin Public Works regarding soil boring/well and encroachment permitting The PHS/EHD boring permits and a County encroachment permit were obtained prior to initiating fieldwork The County encroachment permit had a short time interval and was renewed The City encroachment permit was reportedly obtained by Kenko Contractors, Inc The boring location was marked in white paint and Underground Service Alert (USA) was notified by Kenko Contractors Inc , prior to drilling activities For a copy of the boring and encroachment permits, please refer to Appendix C 3 3 ADVANCEMENT OF PUSH PROBES On Saturday April 18, 2003, six (6) cone penetrometer tests (CPTs), were advanced to maximum ' - depths ranging from approximately 25 to 40 feet below ground surface (bgs) Four CPTs were 28699 E01 /ST03R793 Page 3 of 16 Copynght 2003,Kleinfelder, Inc July 21,2003