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Ta 1
<br /> Groundwater Monitoring and Analytical Results
<br /> Tosca(Circle K)Unit#01205
<br /> 16470 Cambridge Street
<br /> Lathrop,Califorma
<br /> WELL frit OATS OTT SI GWE TPJI,G l3 T x ht'1 B
<br /> 10C*(ft) Cft) (R bgs) (ft) (PPb) (Ppb) (Ppb) (ppb) (PP6) (ppb)
<br /> MW-4
<br /> 1775 10/08/98 1129 8 0-28 0 646 7,600 66 2 3 430 860 ND3
<br /> 01/25/99 1174 601 1,300 10 ND' 30 29 ND
<br /> 04/29/99 1025 7 50 ND ND ND ND ND ND
<br /> 07/16/99 11 12 663 290 1 l ND 54 8 5 2ND/ND 6
<br /> 10/21/99 1136 639 3207 25 ND 74 73 ND/ND3
<br /> 01/31/00 1036 739 2,6007 11 NDZ 130 160 2ND/ND'
<br /> 04/10/00 8 56 9 19 ND ND ND ND ND NDIND3
<br /> 07/05/00 948 827 ND ND ND ND ND ND/ND3
<br /> 10/20/00 1152 623 2458 106 ND 635 374 ND/ND'
<br /> 01/08/01'0 1205 570 1,7007 95 ND2 43 22 2ND/ND3
<br /> 04/26/01 1143 632 1,4308 947 ND 716 33 5 2ND/ND3
<br /> 07/19/01 1238 537 1,4008 68 NDZ 62 34 2ND/ND3
<br /> 10/25/01 13 87 3 88 1,6008 92 <2 5 74 41 <25/<1 03
<br /> 01/29/02 13 58 417 1,0008 11 <2 5 38 14 <25/<2 03
<br /> 04/29/02 1297 478 6308 7 8 070 24 62 5 9/<2 03
<br /> 07/29/0212 1403 372 3,200 <10 <10 120 25 <40
<br /> 10/25/0212 15 33 242 2,700 <5 0 <5 0 66 34 <20
<br /> 01/24/0312 1455 320 1,000 <0 50 <0 50 92 <1 0 <2 0
<br /> 04/25103i2 1406 369 920 <5 0 <5 0 20 <10 <20
<br /> MW-5
<br /> 1648 01/08/0111 1095 4 0-24 0 5 53 64,0007 120 1,300 5,000 30,000 2ND/27'
<br /> 04/26/01 1037 6 11 73,0008 103 770 5,360 30,200 2NDMD2 3
<br /> 07/19/01 11 26 522 110,0008 230 3,500 4,500 26,000 ZNDIND2 3
<br /> 10/25/01 1269 3 79 63,0008 480 3,700 4,500 22,000 <1,000/<503
<br /> 01/29/02 1197 451 15,0008 150 620 1,000 4,000 <2001<20'
<br /> 04/29/02 11 77 471 60,0008 <200 1,300 3,900 22,000 <2,000/<100'
<br /> 07/29/0217 1275 3 73 56,000 330 3,700 3,900 22,000 <100
<br /> 10/25/0212 1408 4 0-24 0 240 51,000 240 2,300 3,400 16,000 <100
<br /> 0112410312 1335 3 13 90,000 <250 1,100 5,300 26,000 <1,000
<br /> 04/25/0312 1288 3 60 45,000 220 550 2,800 9,300 <400
<br /> 01205 xls/#180183 3 As of 04/25/03
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