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<br /> Groundwater onitoring 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 X lenes MTBE Observations
<br /> MW-2(cont)
<br /> MW-2 06/22/94 982 4088 -3106 <10 <0 3 <0 3 <0 3 <0 5 NA No FP,No S,O=NE
<br /> MW-2(44) 09/23/94 982 43 14 -3332 <50 <0 50 <0 5 <0 5 <0 5 NA No FP,No S,O=NE
<br /> MW-2(47) 12/02/94 982 4231 -3249 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,O=NE
<br /> MW-2(61) 02/15/95 982 4067 -3085 <50 <0 5 <0 5 050 <0 5 NA No FP,No S,0=N
<br /> MW-2(61) 05/12/95 982 3885 -2903 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> MW-2(61) 08/29/95 992 4044 -3062 **<52 <0 5 <0 5 10 <0 5 NA No FP,No S,No 0
<br /> MW-2(61) 12/04/95 982 3908 -2926 **<60 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No 0
<br /> MW-2 02/02/96 982 3709 -2727 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No O
<br /> MW-2(61) 05/10/96 982 3455 -2473 <50 <0 5 <0 5 <0 5 <0 5 <3 No FP, No S,No 0
<br /> NIW-2(61) 08/29/96 982 3629 -2647 ***<60 <0 5 <0 5 <0 5 <0 5 <3 No FP,No S,No O
<br /> MW-3
<br /> W49-NM 10/30/91 995 4900 4300 -3905 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,No 0
<br /> MW-3(62) 03/18/92 995 4578 -3583 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,No 0
<br /> MW-3(62) 06/10/92 995 4747 -3752 60 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,No O
<br /> NIW-3(62) 09/04/92 995 4922 -39 27 **<73 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,Yes 0
<br /> MW-3(62) 12/04/92 995 4830 -3835 **<150 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,Yes 0
<br /> MW-3(62) 03/04/93 995 4543 -3548 **<140 <0 5 <0 5 <0 5 <0 7 NA No FP,No S,Yes O
<br /> MW-3(62) 06/07/93 995 4375 -3380 **<150 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,Yes O
<br /> N4W-3(62) 09/02/93 995 4551 -3556 <50 <0 5 <0 5 <0 5 <0 5 NA No FP, No S,Yes O
<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 /> MW-3 06/22/94 995 4082 -3087 <10 <0 5 <0 5 <0 3 <0 5 NA No FP,No S,O=NE
<br /> N'1W-3(44) 09/23/94 995 4302 -3307 110 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,O=NE
<br /> MW-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 /> MW-3(62) 02/15/95 995 4069 -3074 ***84 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,O=NE
<br /> MW-3(62) 05/12/95 995 3880 -2885 ***100 <0 5 <0 5 <0 5 <0 5 NA No,FP,No S,No O
<br /> MW-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 /> MW-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 /> MW-3 02/02/96 995 37 10 -27 15 **<100 <0 5 <0 5 <0 5 <0 5 NA No,FP,No S,No 0
<br /> MW-3(62} 05/10/96 995 3453 -24 58 ***<100 <0 5 <0 5 <0 5 <0 5 <3 No,FP,No S,No O
<br /> MW-3(62) 08/29/96 995 3621 -26 26 ***<90 <0 5 <0 5 <0 5 <0 5 **<4 No,FP,No S,No 0
<br /> N1xls\,0805\14005\092496M1 xis Revnsion0 10/15/96
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