Laserfiche WebLink
AE 1 • <br /> GROUNDWATER ELEVATION AND ANLAYTICAL DATA <br /> Former ARCO Service Station No 2168 <br /> 441 Charter Way <br /> Stockton,Caliform <br /> Elevation <br /> Top of Static Water Water Depth to Ethyl- Total Dissolved <br /> Well ID Casing(feet Level Elevation Screen Benzene Toluene benzene Xylenes MtBE Oxygen <br /> &Sample Date msl) (feet bgs) (feet msl) (feet bgs) TPHg ppb ppb ppb ppb ppb ppb (ppm) <br /> MW-8C 8/16/2001 2141 -1240 <50 071 <0 5 <05 <0 5 <2 44 <br /> (cont) 12/6/2001 2228 -1327 150 47 12 12 45 <0 50 13 <br /> 2/1412002 2064 1163 <500(9] 120[91 <5 0[91 18[9] <5 0(9) 13 1 8 <br /> 6/13/2002 21 10 1209 <50 7 <0 50 <0 50 062 054 1 8 <br /> 8/22/2002 2113 -1312 <50 056 <0 50 <0 50 <0 50 062 36 <br /> I <br /> NA =Not analyzed NS=Not sarrpled NE=Nat evaluated O=Odor S=Sheen FP=Free product <br /> ml=mean sea level bp=below ground surface <br /> ppb=Analytical results in parts per billion <br /> Sarrote desimations, <br /> MW 4 34 Well ID and sample depth(feet) <br /> W 24 MW3R Water sample sample depth(feet) R=Rrnsate blank <br /> TPHg=Total petroleum hydrocarbons as gasoline. <br /> <=Below detection lumt for analytical methods used <br /> *=Raised method reporting lust due to!ugh analyte concentration requiring sample drlutroa <br /> **m Raised method reporting lurut due to matrix interference <br /> MTBE was analyzed using USEPA Method 8260 unless noted olherwtse(see below) <br /> 111=MtBE was analyzed using USEPA Method 8020 <br /> [2]=Water levels collected on 11!5199 samples collected on 12/17/99 due to equipment failure <br /> [3]=Water level collected on 2125100 <br /> [4]ChromatograrnPattern Gasoline C6 C12 <br /> (5)Chromatogram Pattern Weathered Gasoline C6 C12 <br /> [61 C irornatograrn Pattern Weathered Gasoline C6 C12+Unidentified Hydrocarbons C6 C12 <br /> [7]Chromatogram Pattern Unidentified Hydrocarbons C6 C12 <br /> [8j Hydrocarbon pattern is present in the requested fuel quantitation range but does not resernhle <br /> the pattern of the requested fuel <br /> [99 Sample was re analyzed outside of USEPA recommended hold time at a dilution <br /> (10]The sample was diluted due to the presence of lugh levels of non-target analytes resulting in <br /> elevated reporting lnruts <br /> K US BP AFLU'Q216"_QTA 0M.W.[-2-3.h 8 of g <br />