ARCHIVED REPORTS XR0000835 - Laserfiche WebLink

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TAM • r Groundwater Monitoring Data ARCO Service Station No 2186 3212 North California Street, Stockton, California Elevation of Static Water[I] op of Elevation o 'Iota Well Top of Casing Level Screen[2] Groundwater Groundwater I PHG Benzene T oluene Ethylbenzene Xylenes M TBE[3] Sample No Date feet msl) (feet bgs) feet b s (feet msl) Flow Direction µg/L Irg/L pg/L pg/L pg/L µg/l- Observations VW-IA 10/19/00 M 3635 NM NS NS NN NS NS NS No FP,No VWAA 12/20/00 NM 3642 NM --- NS NS NS NS NS NS No FP,No S VW-1B 10119/00 NM 40 16 NM --- NS NS NS NS NS NS No FP,No S VW-1B 12/20/00 NM 3825 NM NS NS NS NS NS NS No FP,No S VW-2A 10/19/00 NM 3622 NM --- NS NS NS NS NS NS No FP,No S VW-2A 12/20/00 NM 3623 NM --- NS NS NS NS NS NS No FP,No S VW-2B 10/19/00 NM 4040 NM --- NS NS NS NS NS NS No FP,No S VW-2B 12/20/00 NM 38 51 NM --- NS NS NS NS NS NS No FP,No S VW-3 05/23/96 NM 4576 4180 NM --- 290 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S VW-3 09/19/96 NM 5402 NM --- 310 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S VW-3 11/27/96 NM 51 15 NM --- 280 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S VW-3 03/21/97 NM 4249 NM --- 180 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S VW-3 05/22/97 NM 4428 NM --- 240 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S VW-3 08/20/97 NM 5021 NM --- 200 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S VW-3 11/20/97 NM 4946 NM --- 160 46 44 26 67 <5 No FP,No S VW-3 02/17/98 NM 4472 NM --- 93 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S VW-3 06/24/98 NM 3628 NM --- <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S VW-3 09/21/98 NM 3969 NM --- 227 456 <0 5 222 324 15 9 No FP,No S VW-3 12/14/98 NM 3790 NM --- 57 1 <0 5 <0 5 <0 5 1 05 <5 No FP,No S VW-3 03/31/99 NM 35 81 NM --- <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S VW-3 06/11/99 NM 3460 NM -- 152 19 <0 5 699 162 18 6 No FP,No S VW-3 09/10/99 NM 3877 NM --- 1,210 546 <0 5 545 l 37 1590 No FP,No S VW-3 12/03/99 NM 3876 NM --- 804 <0 5 <0 5 <0 5 <0 5 149 No FP,No S VW-3 04/03/00 NM 3545 NM --- <50 3 38 <0 5 186 562 30 No FP,No S VW-3 06/22/00 NM 35 51 NM --- 1,690 848 3 84 227 432 3,180[4] No FP,No S VW-3 09/27/00 NM 4081 NM --- NS NS NS NS NS NS No FP,No S VW-3A 10/19/00 NM 3600 NM --- NS NS NS NS NS NS No FP,No S VW-3A 12/20/00 NM 3871 NM --- <50 <0 5 <0 5 <0 5 <0 5 265 No FP,No S i VW-3B 10/19/00 NM 4064 NM --- NS NS NS NS NS NS No FP,No S VW-3B 1.2/20/00 NM 3605 NM --- NS NS NS NS NS NS No FP,No S msl=mean sea level TPHG=Total petroleum hydrocarbons as gasoline *=Raised MRL due to high analyte concentration requiring sample dilution bgs=below ground surface MTBE=Methyl tertiary butyl ether **=Reporting limit raised due to matrix interference [1]Measured below top of casing <=Below detection limit for the analytical method used [2]Measured from ground surface FP=Free product Measured in feet [3]MTBE was analyzed using USEPA Method 8020 S=Sheen [4]MTBE was analyzed using USEPA Method 8260 NM Not measured [51 ChrumatogTam Pattern Weatheted GasoluTe C6-C-12 NA=Not analyzed NS=Not sampled C 1ARCOl218GSTabies42186 QMR Data XLS 4 of 4 Delta 2J29r0i