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� l• � � i• i• � � 1• !• I! � Ill• � sEl� � � >� <br /> TAPE 1 Page 7 of 7 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station No 2186 <br /> 3212 North California Street Stockton California <br /> Tap of Casing Static Water[l] Screen Groundwater Total <br /> Well Sample Elevation Level Interval Elevation Groundwater TPHg Benzene Toluene Ethylbenzene Xylenes MtBE[3] <br /> Sample No Date (feet mSl) (feet b s) (feet b s) (feet msl) Flow Direction lL IL / L RA Pg/L Observations <br /> VW 1B 5123/96 150l 4576 4261 3075 E 290 <05 <05 <05 415 <30 No FP No <br /> 9/19/96 5402 3901 NE 310 1)5 <05 115 <05 <30 No FP Nos <br /> 11127196 51 15 3614 SE 280 <0 5 <05 <0 5 <05 <3 0 No FP No S <br /> 3/21197 4249 2748 SE [so <05 <05 <05 <05 <30 No FP No <br /> 5122/97 4429 2927 E NE 240 <0 5 <0 5 <0 5 115 <3 0 No EP No S <br /> 8120/97 50 2l 3520 E NE 200 <0 5 <0 5 <0 5 <0 5 <5 0 No FP No S <br /> I Il20197 4946 3445 E 160 46 44 26 67 <5 0 No FP No S <br /> 211719H 4472 2971 ESE 93 <05 <05 <05 195 <50 No FPNoS <br /> 6124118 3628 2127 E <50 <0 5 <05 <0 5 <0 5 <5 0 No FP No S <br /> 9121/98 3969 2468 EN£ 227 456 <05 222 324 159 No FPNoS <br /> 1211419E 3790 2289 E-NE 571 <0 5 115 N 5 105 <5 0 No FP No S <br /> 3131199 3581 2080 NNE <50 <05 <05 <05 <05 e50 No FPNoS <br /> 6111199 3460 1959 ENE 152 19 <05 699 162 186 No FP No <br /> 9110N9 3H 77 2376 E NE 1 210 546 05 545 1 37 1590 No FP No S <br /> 1213/99 3876 2375 E H04 <05 <05 <05 <05 149 No FP NoS <br /> 4/3= 3545 2044 NE <50 338 <0 5 1 86 562 30 No FP No S <br /> 6122/00 3551 2050 E 1690 849 3 K4 227 432 3 180141 No FP No S <br /> 9/27/00 4081 2580 E NE NS NS NS NS NS NS No FP No S <br /> 10/19/00 4064 2563 E NE NS NS NS NS NS NS No FP No S <br /> 12120100 3871 2370 ENE <50 195 195 <05 <05 265f41 No FPNoS <br /> 3116101 37611 2259 ENE <50 <05 <05 <05 <05 912141 No FP No <br /> 6/21/01 4043 2542 NE <1 000" 97 53 290 750 5 000141 No FP No S <br /> 09/13/01 181 4619 31 18 E NE <50 <05 115 <0 5 115 90141 No FP No S <br /> 1211[191 4341 2940 NE <50 <0 50 1150 <0 50 4150 200141 No FP No S <br /> 3114/02 4037 25 36 E NE <50 <050 <050 1150 <050 26141 No FP No S <br /> 6719!02 4271 2770 E NE 460171 4150 <0 50 <0 50 <0 54) 1 500[41 No FP No S <br /> 9/12/02 4960 3459 E NE 320 <2 5 <2 5 <2 5 <2 5 140 No FP No S <br /> 1213102 4660 3159 E NE <5t10 <5 0 <5 0 <5 0 <5 0 69 No FP No S <br /> 31[1/03 4651 3150 NE 390 <25 <25 <25 <25 370 No FP Nos <br /> 6/9!03 4239 2738 E NE 2,600 <I0 <10 <to <111 6,9tio No FP,No S <br /> Notes <br /> ms]=mean sea level TPHg=Total petroleum hydrocarbons as gasoline *=Raised MRL due to high analyte concentration requiring sample dilution <br /> bgs=below ground surface MtBE=Methyl tert butyl ether **=Reporting limit raised due to matrix Interference <br /> gg/L=micrograms per Liter <=Below detection limit for the analytical method used <br /> [I]Measured below top of casing <br /> [2)Measured from ground surface FP=Frye product Measured in feet <br /> f 31 M(BE was analyzed using USEPA Method 8020 S=Sheen <br /> [4]MtBE was analyzed using USEPA Method 8260 NM=Not measured <br /> [5]Chromatogram Pattern Weathered Gasoline C6-C 12 NA=Not analyzed <br /> [6]Sample analyzed outside USEPA recommended hold time NS=Not sampled <br /> [11 Hydrocarbon pattern is present in the requested fuLl quantitation range but does not rtsemble the pattern of the requested fuel <br /> [81 On the chain of-custody forms,Samples were identified as MW 1 B MW-2B and MW-3B,respectively <br /> K V5 BP ARCl7\(12[861Qwutcrlyl2 QTR 0312I K6 G W MR 2Q03 XLS <br />