Laserfiche WebLink
02/13/204 13: 00 2044683433 FIFTH FLOOR PAGE 02 <br /> ENVIRONMENTAL HEAL'E'R DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> r ,'., :,, .. .: :�.•; , :.. ,.,, <br /> Donna K.Haran,tt.E.lE1.5_ Unirsupervisors <br /> :{ <br /> Director <br /> East Weber. Avenue, Third Floor earl Borgxr►an,R E.H.S, <br /> Al Olsen,R.E.H.S. Stockton!, California 95202-270$ Mike Iiuggins,R-E.H_S.,R.D.T. <br /> Douglas W.Wilson,FLEE-& <br /> Cd4lFo `t`� Program Manager Telephone: ('709 ) 468-3420 MargwetLaoorio,R_E.x.S. <br /> Laurie A.Cotullx,TLE-MS- <br /> Pragrant manager <br /> Fax: (209) 464-0138 Robert McClellon,R-E.H.S. <br /> Marls B&rwllvs,R.E.H.S. <br /> ROBERT COCHRAN <br /> CHEVRON PRODUCTS COMPANY <br /> P O BOX 6004 <br /> SAN RAMON CA 94583-0904 <br /> RE: Chevron Service Station 9-4557 <br /> 139 South Center street <br /> Stockton,CA 95202 <br /> WORKPLAN. Addendum to Work Plan for Monitoring Well Installation <br /> DATED- December 30, 2003 <br /> REPARED BY: Secor International Incorporated <br /> APPROVED x <br /> DISAPPROVED D <br /> ADDENDUM d Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS Or THE WORKPLAN[Health&Safety Code(H&S)Sections <br /> 25299.37(c)(3)]- <br /> 1. Advancement of one cone penetrometer test(CPT)boring to approximately 90 feet below ground surface(bgs) <br /> to assess soil lithology and the advancement of one direct-push borehole adjacent to the CPT borehole to collect <br /> groundwater samples in discreet water bearing zones. <br /> 2- The borings for monitoring wells MW-la,MW-15,MW-16,and MW-17 will be continuously cored. <br /> 3. Screen intervals for the monitoring wells will be determined by the CPT results. <br /> 4. Groundwater sanTles will be analyzed for total petroleum hydrocarbons as gasoline (TFHg), total petroleum <br /> hydrocarbons as diesel (TPHd), total petroleum bydrocarbons as motor oil (TPHmo), benzene, toluene, ethyl <br /> benzene,total xylenes (BTW,methyl tertiary-butyl ether(MTBE), tertiary butyl alcohol(TBA), di-isopropyl <br /> ether(DIPE),ethyl tertiary batyI ether(ETBE),tertiary amyl methyl ether('TAME), 1,.2-4ichloroethane <br /> (1,2-DCA),and 1,2-dibrornoethane(EDB). <br /> COMMENTS AND CONDITIONS: <br /> 1. Obtain a boring permit for the CPT boring and monitoring wells from San Joaquin County Environmeutal Health <br /> Department(EHD)and notify EHD at least 48 hours prior to the proposed scheduled work dates. <br /> DATED TAY - <br /> cc: James L.L.Barton, CVRWQCl3 <br /> . David Evans,Secor <br />