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Table 1
<br /> Groundwater Monitoring Data Page 2 of 3
<br /> ARCO Service Station No 0548,1612 Hammer Lane,Stockton,California
<br /> Well Elevation Statie Elevation
<br /> pitof Top Water of Ethyl- Total
<br /> umber Date of CiWng level Groundwater TPHG Benzene Toluene benzene Xylenes TOG Observation
<br /> MW-3(62) 09/04/92 9 95 4922 -39 27 **<73 <0 50 <0 50 <0 50 <0 50 NS No FP,No S,Yes
<br /> MW-3(62) 12/04/92 995 48 30 3835 **<150 <0 50 <0 50 <0 50 <0 50 NS No FP,No S,Yes
<br /> MW-3(62) 03/04/93 9 95 45 43 -3548 **<140 <0 5 <0 5 <0 5 <0 7 NS No FP,No S,Yes
<br /> MW-3(62) 06/07/93 995 4375 -33 80 **<150 <0 5 <0 5 <0 5 <0 5 NS No FP,No S,Yes
<br /> MW-3(62) 09/02/93 9 95 4551 -3556 <50 <0 5 <0 5 <0 5 <0 5 NS No FP,No S,Yes
<br /> MW-3(62) 12/16/93 9 95 43 64 -3351 ***140 <0 5 <0 5 <0 5 <0 5 NS No FP,No S,No
<br /> MW-3(40) 04108/94 9 95 40 50 -3055 330 27 16 25 l7 NS No FP,No S,0--NE
<br /> MW-3 06!22194 9 95 4082 -30 87 <10 <0 5 <0 5 <0 3 <0 5 NS No FP,No S,0=N
<br /> MW-3(44) 09/23/94 9 95 4302 -3307 110 <0 5 <0 5 <0 5 <0 5 NS No FP,No S.0=N
<br /> MW-3(47) 12/02/94 9 95 4232 -3237 <50 <0 5 <0 5 <0 5 <0 5 NS No FP,No S,0--NE
<br /> MW-3(62) 02/15/95 995 4069 -3074 ***84 <0 5 <0 5 <0 5 <0 5 NS No FP,No S,0=N
<br /> MW-3(62) 05/12/95 995 3880 -2885 ***100 <0 5 <0 5 <0 5 <0 5 NS No FP,No S,No
<br /> MW-3(62) 08129/95 995 4027 -3032 **<170 <0 5 <0 5 <0 5 <0 5 NS No,FP,No S No
<br /> MW-4
<br /> -25-MW4 10/30/91 1157 5045 -3888 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S Na
<br /> MW-4(63) 03/18/92 1157 4724 -35 67 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,No
<br /> MW-4(63) 06/10/92 1157 4894 -37 37 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,No
<br /> MW4(64) 09/04/92 1157 5065 -3908 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,Yes
<br /> MW-4(64) 12/04/92 1157 4973 -38 16 <50 <0 50 <0 50 <0 50 <0 50 NA No FP,No S,Yes
<br /> M W-4(63) 03/04193 1157 4689 -35 32 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,Yes
<br /> MW-4(63) 06/07/93 1157 4522 -3365 <50 <0 5 <0 5 <0 5 <0 5 NA No FP No S,No
<br /> MW4(63) 09/02/93 1157 4696 -3539 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No
<br /> MW-4(63) 12!16193 1157 4488 -33 3 i <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,No
<br /> MW4(41) 04108/94 1157 41 97 -3040 26 12 2 0 05 2 6 NA No FP,No S,0--NE
<br /> MW4 06122/94 1157 4226 -3069 <10 <0 3 <0 3 <0 3 <0 5 NA No FP,No S,0--NE
<br /> MW-4(45) 09/23/94 1157 4442 -3285 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,O=N
<br /> MW-4(48) 12/02/94 1157 43 69 -32 12 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,0--NE
<br /> MW-4(63) 02/15/95 1157 42 12 -3055 <50 <0 5 <0 5 <0 5 <0 5 NA No FP,No S,0--NE
<br /> MW4(63) 05/12195 1157 4028 -2871 <50 <0 5 <0 5 <0 5 <0 5 NS No FP,No S.No
<br /> MW-4(63) 08/29/95 1157 4172 -30 15 <50 <0 5 <0 5 <0 5 <0 5 NS No FP,No S,No
<br /> W-5
<br /> 44-MW5 03/29/93 9 37 4425 -3488 930 16 <0 5 19 97 NA No FP,No S.Yes
<br /> MW-5(61) 06/07/93 9 37 4338 34 01 1 100 40 14 42 58 NA No FP,No S.Yes
<br /> MW-5(60) 09/02/93 9 37 4532 3595 1200 76 17 52 57 NA No FP,No S.Yes
<br /> MW-5(60) 12116/93 937 43 03 -3366 820 34 14 39 41 NA No FP,No S.Yes
<br /> MW-5(39) 04/08/94 937 3999 -3062 4,800 640 68 670 800 NA No FP,No S,0=
<br /> MW-5 06122194 9 37 4054 -31 17 9,200 1,100 140 1,300 2,000 NS No FP,No S,0=N
<br /> MW-5(43) 09/23/94 9 37 42 78 -33 41 2,700 400 31 150 310 NS No FP,No S,0=
<br /> MW-5(46) 12/02/94 9 37 4189 -3252 2,200 380 28 210 330 NS No FP,No S,0=N
<br /> N 1x!5108051140021101695121 els Revision 1 1117/95
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