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q 5, <br /> Atlantic Richfield Company • • 5 <br /> ARCO Station #595,6100 North Highway 99,Stockton,CA February 15,2002 <br /> using EPA Method 8020, and fuel oxygenates TAME, DIPE, TBA, MtBE, <br /> EtBE, 1,2 DCA, and EDB by EPA Method 8260 <br /> • Well Surveying. Upon completion of well construction, the wells will be <br /> surveyed by a licensed surveyor to mean sea level Groundwater gradient will <br /> be interpreted utilizing wellhead elevations and depths to water <br /> Field and laboratory procedures are included as Attachment C <br /> SCHEDULE <br /> A proposed project schedule is included as Figure 5 Based upon the attached schedule, <br /> results of the assessment should be submitted before September 17, 2002 <br /> If there are any questions regarding the contents of this work plan , please call us at (916) <br /> 861-0400 <br /> Sincerely, <br /> SECOR International Incorporated <br /> W a W� <br /> Op <br /> Jaff Auchterlonie FESS/ <br /> oQR Nq� <br /> Senior Geologist �� � t BEAT <el <br /> Q, <br /> .- IT 6L�� x <br /> 0 C 058399 <br /> cc <br /> �r Exp Z.- o t <br /> 'JT <br /> CMl �Q <br /> fustyyfenlkosk , P <br /> q OF CAI�F��� <br /> Senior Engine <br /> Attachments Figure 1 - Site Location Map <br /> Figure 2 - Site Map with Proposed Well Locations <br /> Figure 3 - Generalized Geologic Cross-Section A-A' <br /> Figure 4 - Generalized Geologic Cross-Section B-B' <br /> Figure 5 - Project Schedule <br /> Attachment A - San Joaquin County PHSIEHD Letter <br /> Dated December 31, 2001 <br /> Attachment B - Site Health and Safety Plan <br /> Attachment C - Field and Laboratory Procedures <br /> cc Mr Paul Supple, Atlantic Richfield Company <br /> Mr Marty Hartzell, RWQCB <br /> • <br /> WPLAN595-2-15-2002 <br />