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CAMBRIA - <br /> Table 1 WelUBormg Data,Shell-branded Service Station,2375 West Grant Line Road,Tracy,California <br /> DnIling 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/Bonng 27-Jan-03 2453 235 5/C 13 2 8 23 <br /> MW-2 HSA/Boring 28-Jan-03 2499 235 5/C 135 2 8 23 <br /> MW-3 HSA/Boring 27-Jan-03 2389 235 C 11 2 8 23 <br /> MW-4 HSA/Boring 27-Jan-03 2256 235 51C - 105 - 2 8 23 <br /> MW-5 HSABormg 28-Jan-05 2660 25 5 - 135 - 2 10 25 <br /> MW-6 HSABortng 28-Jan-05 2671 25 5 - 14 - 2 10 25 <br /> MW-7 HSA/Bormg 4-Mar-05 2482 20 5 - 10 - 2 5 20 <br /> S8-1 CPT 7-Mar-05 - 8612 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 <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 /> 1661 Page 1 of 1 <br />