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CAMBRIA <br /> Table 1.Well/Boring Data, Shell-branded Service Station,2375 West Grant Line Road,Tracy,California <br /> Drilling Method Date TOC Total Soil Sample First Encountered GW Screen Screen Depth(ft) <br /> Name Type Installed Elev(ft msl) Depth(ft) Incr,or Depth(s) Depth(ft) Elev(ft msl) Diam.(In) Top Bottom Comments <br /> MW-1 HSA/Boring 27-Jan-03 24.53 23.5 SIC 13 2 8 23 <br /> MW-2 HSA/Boring 28-Jan-03 24.99 23.5 5/C - 13.5 - 2 8 23 <br /> MW-3 HSA/Boring 27-Jan-03 23.89 23.5 C I1 2 8 23 <br /> MW4 HSA/Boring� 27-Jan-03 22.56 23.5 51C - 10.5 2 8 23 <br /> MW-5 HSA/Boring 28-Jan-05 26.60 25 5 - 13.5 - 2 10 25 <br /> MW-6 HSA/Boring 28-Jan-05 26.71 25 5 - 14 - 2 10 25 <br /> MW-7 HSA[Boring 4-Mar-05 24.82 20 5 - 10 - 2 5- 20 <br /> SB-1 CPT 7-Mar-05 - 86.12 C - - - - - - <br /> Abbreviations and Notes: <br /> TOC=Top of casing referenced to mean sea level(msl) <br /> ft=feet <br /> Incr.=increments <br /> C=Continuous <br /> HSA=Hollow-stem auger <br /> Diam.=diameter r <br /> In=inches <br /> CPT=Cone penetration test <br /> Wells MW-1,MW-2,MW-3,and MW-4 surveyed by Mid-Coast Engineers on 03-Mar03. Wells MW-3 and.MW-4 re-surveyed and wells MW-5,MW-6,and MW-7 surveyed by Virgil Chavez <br /> PLS on 07Apr05. Due to discrepancies in elevations on re-survey of MW-3 and MW-4,original elevations are being used. <br /> Page 1 of 1 <br /> 1661 <br />