Laserfiche WebLink
WELL CONCENTRATIONS <br /> Shell-branded Service Station <br /> 341 East Main Street <br /> Ripon,CA <br /> MTBE MTBE 1,2- Depth to Depth GW SPH DO <br /> Well ID Date TPPH TEPH B T E X 8020 8260 TBA DIPE ETBE TAME DCA EDB Ethanol Methanol TOC Water to SPH Elevation Thickness Reading <br /> u u fL u IL u IL u u IL u IL u 1L u u 1L u 1L u u (U01L) u IL u MSL ft. R MSL ft. m <br /> Notes: <br /> a=DO readings not taken for this event at wells MW-2,MW-3.and EW-2. <br /> b=MTBE by EPA 8020 not taken for this event. <br /> c=No port,unable to sample. <br /> d=Top of Casing elevation altered during wellhead maintenance. <br /> e=Hydrocarbon does not match pattern of laboratory s standard. <br /> f=Theconcentration reported reflects individual or discrete unidentified peaks not matching a typical fuel pattern. <br /> MTBE by EPA'Method 8260 omitted due to lab error. <br /> "Sample was analyzed past EPA recommended holding time, <br /> MTBE by 8260 for.well MW-1 inadvertently not run for July 9,1999 event. <br /> Ethanol and Methanol analyzed by EPA Method 82606. <br /> Survey of wells performed on March 25,1999 by Virgil Chavez Land Surveying of Vallejo,CA. <br /> Wells MW-4A,MW-48,MW-SA,MW-5B,MWaA,and MW-68 surveyed on January 8,2000 by Virgil Chavez Land Surveying of Vallejo,CA. " <br /> Revised survey data for wells EW-1 and EW-2 provided by Cambria Environmental Technology,Inc.in January,2001. <br /> Site surveyed May 7,2002 by Virgil Chavez Land Surveying of Vallejo,CA. <br /> ^f <br /> ,c • - ... � w r ..-".-... ... .- - -. J,.. .....ds, � .,z �. +Ir �p- � ,. 3 W T- w+� .. �w..'......�. � ... y.... MPar .-. .v -... <br /> S z <br /> v.wiv <br /> i', P '.2. . - <br />