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<br /> Groundwater Monitoring Data
<br /> ARCO Service Station No. 548, 1612 Hammer Lane, Stockton, California
<br /> Well Elevation Static Top Elevation
<br /> Sample of Top Water of of Ethyl- Total
<br /> Number Date of Casing Level Screen Groundwater TPHG Benzene Toluene benzene Xylenes MTBE f 1] Observations
<br /> W-3(cont)
<br /> MW-3(62) 09/02/93 995 4551 -3556 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,Yes 0
<br /> MW-3(62) 12/16/93 995 4364 -3351 **140 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> MW-3(40) 04/08/94 995 4050 -3055 330 27 16 25 17 NA No FP,No S,O=NE
<br /> I
<br /> -3 06/22/94 995 4082 -3087 <10 <0 5 <0 5 <0 3 <0 5 NA No FP,No S,O=NE-3(44) 09/23/94 995 4302 -3307 110 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,O=NE-3(47) 12/02/94 995 4232 -3237 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,O=NE
<br /> -3(62) 02/15/95 995 4069 -3074 **84 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,Or-3(62) 05/12/95 995 3880 -2885 **100 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> -3(62) 08/29/95 995 4027 -3032 *<170 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> -3(62) 12/04/95 995 3906 -2911 *<150 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> -3 02/02/96 995 3710 -2715 *<100 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> -3(62) 05/10/96 995 3453 -2458 **<100 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S,No 0
<br /> MW-3(62) 08/29/96 995 3621 -2626 **<90 <0 5 <0 5 <0 5 <0 5 *<4 No FP,No S,No 0
<br /> MW-3(62) 11/20/96 995 3531 -2536 **<90 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S,No 0
<br /> MW-3(62) 03/19/97 995 3154 -2159 **<80 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S,No 0
<br /> MW-3 05/27/97 995 3116 -2121 **<70 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S,No O
<br /> MW-3(62) 08/12/97 995 3314 -23 19 <50 <0 5 <0 5 <0 5 <0 5 <5 No FP,No S,No 0
<br /> MW-3(62) 11/18/97 995 3295 -2300 <50 15 087 <0 5 068 <5 No FP,No S,No 0
<br /> MW-3(63 3) 02/16/98 995 2905 �5 -1910 140 050 071 <0 5 <0 5 <5 No FP,No S,No O
<br /> Iw-a
<br /> -25-MW4 10/30/91 1157 5045 4400 -3888 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,No O
<br /> MW-4(63) 03/18/92 1157 4724 -3567 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,No 0
<br /> MW-4(63) 06/10/92 1157 4894 -3737 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,No O
<br /> MW-4(64) 09/04/92 1157 5065 -3908 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,Yes 0
<br /> MW-4(64) 12/04/92 1157 4973 -3816 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,Yes 0
<br /> MW4(63) 03/04/93 1157 4689 -3532 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,Yes 0
<br /> MW4(63) 06/07/93 1157 4522 -3365 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No O
<br /> MW-4(63) 09/02/93 1157 4696 -3539 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No O
<br /> MW-4(63) 12/16/93 1157 4488 -3331 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No O
<br /> MW-4(41) 04/08/94 1157 4197 -3040 26 12 20 05 26 NA No FP,No S,O=NE
<br /> 4 06/22/94 1157 4226 -3069 <10 <0 3 <0 3 <0 3 <0 5 NA No FP,No S,0--NE
<br /> N\XLS�0805\140ON32398R1 XLS
<br /> Sheet) 4117198
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