TIP 1
<br /> Groundwater Momtorin to and Analytical Results
<br /> Tosco(Circle K)Unit#01205
<br /> 16470 Cambridge Street
<br /> Lathrop,California
<br /> WELL ID/ DATE DTW Sl GWE TPH-G B T E X MTBE
<br /> TOC*(f1} (ft) (fr bgs) (ft) (ppb) (ppb) (ppb) (ppb) (ppb) (Ppb)
<br /> MW-5
<br /> 1648 01/08/011, 1095 4 0-24 0 5 53 64 000' 120 1,300 5,000 30,000 2ND/27'
<br /> 04/26/01 1037 611 73,000' 103 770 5,360 30 200 2NDIND2'
<br /> 07/19/01 1126 522 110,000' 230 3 500 4,500 26,000 ZNDINDZ 1
<br /> 10/25/01 1269 379 63,000' 480 3,700 4,500 22,000 <l,0001<50'
<br /> 01/29/02 1197 451 15,0008 150 620 1,000 4,000 <200/<20'
<br /> MW-6
<br /> 1668 01/08/011, 11 24 4 0-24 0 544 72,0007 250 2,300 4,700 25,000 5301750'
<br /> 04/26/01 1066 602 62,9009 251 2050 3 700 18 300 2ND/613'
<br /> 07/19/01 1152 516 60,0008 170 2,100 2,900 14,000 2ND/310'
<br /> 10/25/01 1297 3 71 41,0008 300 3,700 3,200 14,000 6101660'
<br /> 01/29/02 1227 441 31.,0008 250 3,300 2,300 8,600 5801640'
<br /> MW-7
<br /> 1781 01/08/0111 1229 4 0-24 0 5 52 53,000' 140 2,600 2,500 14,000 2ND/ND"
<br /> 04/26/01 1167 614 35,200' 897 681 1,050 4,640 2ND/ND23
<br /> 07/19/01 1256 5 25 47,000' ND 1,000 1,400 6,400 2ND/ND 2'
<br /> 10/25/01 1408 171 97000 9 780 3,000 3,700 14,000 <1,000/<25'
<br /> 01/29/02 1338 443 23,000' 84 1,300 1,400 5,100 <500/<33'
<br /> MW-8
<br /> 17 26 01/08/0111 1140 4 0-24 0 586 ND ND 1 2 095 46 NDIND'
<br /> 04/26/01 1070 656 ND ND ND ND ND NDIND'
<br /> 07/19/01 11 75 551 ND ND ND ND ND ND1ND'
<br /> 10/25/01 1332 394 <50 <0 50 <0 50 <0 50 <0 50 <5 01<1 0'
<br /> 01/29/02 1253 473 <50 <0 50 <0 50 <0 50 <0 50 <5 0/<2 0'
<br /> 01205 zla/#180183 3 As of 01/29/02
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