Laserfiche WebLink
Tab# • - <br /> Groundwater Monitoring Data <br /> 1995 to Present <br /> Former ARCO Service Station No 2168 <br /> 441 Charter Way, Stockton, California <br /> Elevation Static Elevation Top <br /> Well ID of Top Water of of Ethyl- Total <br /> &Sample of Casing Level Groundwater Screen TPHG Benzene Toluene benzene Xylenes MTBE <br /> Depth Date (feet msl) (feet b s) feet ms]) (feet bgs) (µg\[_) (pglL) (lt 1L) (pg1L) (µg1L) 11.,) Observations <br /> MW-8 08/30/00 935 18 85 -950 115 <2 <2 <2 <2 <2 No FP,No S,Yes 0 <br /> MW-1B 08/30/00 1026 21 25 -1099 504 160 6 9 12 262 <2 No FP,No S,Yes 0 <br /> MW-1C 08/30/00 1021 2219 -1198 537 63 <2 <2 406 <2 No FP,No S,Yes 0 <br /> I <br /> MW-813 08/30/00 961 2027 -1066 1,130 425 496 106 108 <2 No FP,No S,Yes O <br /> MW-8C 08/30/00 901 21 21 -1220 68 5 15 6 678 2 18 758 <2 No FP,No S,Yes 0 <br /> NA =Not applicable NS=Not sampled NE=Not evaluated O=Odor S W Sheen FP=Free product <br /> ltg1L=Analytical results in micrograms per Mer <br /> ms1=mean sea level <br /> bgs=below ground surface <br /> PBG=Total petroleum hydrocarbons as gasoline <br /> =Below detection limit for analytical methods used <br /> *=Raised method reporting limit due to high analyte concentration requiring sample dilution Sample designations <br /> '*=Raised method reporting limit due to matrix interference MW-4 34 Weil 1D and sample depth(feet) <br /> MTBE was analyzed using USEPA Method 8260,unless noted otherwise(see below) W 24 MW3R-Water sample,sample depth(feet),R=Rinsate blank <br /> [l]=MTBE was analyzed using USEPA Method 8020 <br /> [2]=Water levels collected on 1115199,samples collected on 12/17/99 due to equipment failure <br /> [3]=Water level collected on 2125100 <br /> PAVILION1MyDocumentslARC0121681Q 1 RLYti200012168Q300 Delta <br /> 8 of 8 11/30/00 <br />