Tab
<br /> . Groundwater Monitoring nd Analytical Results
<br /> Former Tosco(Unocal)Service Station#6981
<br /> 4707 Pacific Avenue
<br /> Stockton,California
<br /> WELL TO/ DATE DTW SI GWE TPH-G B T E X MTBE
<br /> TOC*(#) t) (ft b s) (A) Pb) (ppb) b) (ppb) WN Wb-)
<br /> VW-4 12/30-31102 DRY 255-505 -- -- -- -- --
<br /> (cont) 03/29-30/0319 3174 -1998 <50 <0 50 <0 50 <0 50 <1 0_ <2 0
<br /> 06/25_26103 3208 -20.32 NOT SAMPLED DUE TO INSUFFICIENT WATER -
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<br /> VW-7
<br /> -- 37,000 2,500 6,100 bio 7,000 <250/5106
<br /> NA 08/21/99 2957 55 0-60 0
<br /> 10/25-26199 2954 -- 33,00013 2,900 6,800 680 7,800 <500/4 76
<br /> 01127-28/00 2902 -- 23,00013 2,000 5,600 860 9,900 120/756
<br /> 06126-27/00 2627 -- 28,70013 1,560 3,800 <50 0 8,310 <500/41 46
<br /> 1 1 67 09/22-23100 2843 -1676 8,50013 610 2,200 12 4,900 3001356
<br /> 12126-27/00 2834 -1667 37,90013 1,420 3,330 328 10,000 <500/<1006
<br /> 03/07-08/01 2803 -1636 34,40013 853 2,750 394 8,900 <500/<40 06
<br /> 06126-27101 2908 -1741 31,00013 660 2,100 150 7,900 <500/<506
<br /> 09112-13/01 3094 -1927 34,00014 870 1,800 780 7,900 <1,000/<506
<br /> 12112-13/01 3121 -1954 29,00013 710 1,000 200 5,100 <500/<336
<br /> 03/20-21/02 3007 -1840 26,000`3 590 930 640 4,700 <500/<406
<br /> 06/06-07/0217 3047 -1880 2,100 22 62 61 450 --/<2 06
<br /> 09/30/0218 3286 - -21 19 30,000 380 760 570 3,800 <100
<br /> 12/30-31/0218 3260 -2093 24,000 170 350 550 3,100 <100
<br /> 03/29-30/0318 31 25 -1958 18,000 160 240 470 2,600 <400
<br /> 06/25-26/031$ 3207 -2040 14,000 77 110 210 1,100 <20
<br /> PTW-1
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<br /> 01125-26/99 2891 52 5-72 5 -- <50 <0 50- <0 50 <0 50 1 5 94/84 6
<br /> 04/19-20199 2642 -- <50 <0 50 <0 50 <0 50 <0 50 42/346
<br /> 07115-16199 2782 -- <50 <0 50 <0 50 <0 50 <0 50 <2 5/<2 06
<br /> 10/25-26/99 2949 <50 <0 50 085 <0 50 1 1 <2 5/<2 06
<br /> 01/27-28/00 2897 -- <50 <0 50 060 <0 50 1 1 <2 5/<2 06
<br /> 06126-27100 2623 -- <50 0 <0 500 0 904 <0 500 0 955 <5 0014 576
<br /> 11 88 09/22-23100 2876 -1688 <50 <0 50 <0 50 <0 50 <0 50 <2 5/<2 06
<br /> 12/26-27/00 2865 -1677 <50 0 <0 500 <0 500 <0 500 <0 500 <5 00/<2 006
<br /> 6981 Ac/#180138 23 As of 06/26/03
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