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<br /> Groundwater Monsto ngwand Analytical Results
<br /> Tosco(Circle K)Unit#01205
<br /> 16470 Cambridge Street
<br /> Lathrop,California
<br /> IWELL IDI DATE DTW ST. jGWE TP14-G A T E X mtng
<br /> TOC* {J1) f b 0 {fit) CPPB) Lppb) fPP�) fPP�1 (Ppb) pph�
<br /> MW-1
<br /> 1762 10/08/98 1127 6 0-26 0 635 29,000 180 2,500 3,200 13,000 3,4001
<br /> 01/25/99 1173 589 40,000 320 1,800 2,500 12,000 22,000
<br /> 04/29/99 1021 741 380 69 27 94 100 51
<br /> 07/16/99 1109 654 67,000 380 1,500 2,900 17,000 1,400/8201
<br /> 10/21/99 1143 619 31,0007 110 1,100 1,900 11,000 3201250'
<br /> 01/31/00 1050 712 48,000' 100 2,900 2,500 16,000 2,30012,200'
<br /> 04/10/00 870 892 45,6007 ND2 1,570 2,660 15,000 2ND/1861
<br /> 07/05/00 965 797 29,400' 704 224 1,910 8,910 2NDIND2 1
<br /> 10/20/00 1153 609 41,800? 105 1,210 2,980 14,300 ND/3 01
<br /> 01/08/01 1200 562 18,000' ND2 530 990 6,000 2ND/29'
<br /> 04/26/01 1141 621 19,300' 984 814 1,400 7,140 2ND/60 61
<br /> 07/19/01 1232 530 55,000' 160 1,900 2,700 15,000 2NDIND21
<br /> 10/25/01 1379 381 13,0009 60 580 1,000 5,600 <200/<201
<br /> 01/29/02 1305 457 11,000' 50 480 700 3,600 <200/<20'
<br /> 04/29/02 1289 473 5,700' 41 190 340 2000 <501<101
<br /> 07/29/0212 13.88 374 54,000 <100 1,600 3,700 18,000 <400
<br /> MW-2
<br /> 1750 10/08/98 11 17 6 0-26 0 633 18,000 210 100 1,600 1,700 4,0001
<br /> 01/25/99 1164 586 28,000' 270 410 2,400 6,300 79,000
<br /> 04/29/99 1012 738 290' 090 26 11 29 22
<br /> 07/16/99 1098 652 22,000 160 130 1,200 3,300 1,40015603
<br /> 10/21/99 1135 615 25,0007 110 180 940 2,400 2ND/71'
<br /> 01/31/00 1043 707 47,0007 280 360 2,800 9,800 12,00019,800'
<br /> 04/10/00 859 891 31,3007 335 1,220 2,390 8,660 2ND/5323
<br /> 07/05/00 955 795 5,600' 222 922 537 446 178/2371
<br /> 10120/00 1144 606 13,300' 367 ND2 875 282 2ND14 4'
<br /> 01/08/01 1192 558 10,0007 73 ND2 840 520 2ND/283
<br /> 04/26/01 11 33 617 10,200' 873 ND2 817 341 2ND/36 71
<br /> 07/19/01 1223 527 8,400' 30 ND2 260 200 2NI717 6'
<br /> 01205 xls/#180183 1 As of 07/29/02
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