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i a <br /> f <br /> Rio.. Umple WM <br /> No. U50 PID MCNIFTION VAST. <br /> 32 S;LT:light grey green,trace clay,micacCOUS, <br /> ,., i am '•'1. <br /> i SILTY SAI--+-iD:11nhtp,reers q v.fInp to-med <br /> 34 SAND, dark brown, fine to medium grained, <br /> some mica, damp, NOSC - <br /> 3s W-4 - <br /> 37-38 SAND: grey to green grey, some silt, fine <br /> grained, some mica, damp to moist, NOSC <br /> 30- <br /> 10 decrease in silt content <br /> 40 20 MW-4 increase .in clay content: trace to <br /> 35 40-40.5 clay '. <br /> ;,. <br /> 't. 42 MW-4 <br /> 42-43 increase in silt content, micaceous, _- <br /> moist to wet <br /> SAND: grey, some silt, fine to medium <br /> t- _ <br /> 44 grained, white 'stringers throughout, dry <br /> to damp - <br /> :`s <br /> SILTY SAND: as at 43 ft, trace of fine - <br /> 46 gravel - <br /> ,41 MI-4 S tel ra ded to htco rained, moder- <br /> wet )546-47.5e _- <br /> :{ <br /> 5 48 ILT: mottled grey and black with rust red ' <br /> blotches, trace of clay, some fine sand, <br /> p trace of cemented grains up to 5 mm, damp ; <br /> 50 ILT: dark grey brown to green brown,trace <br /> of clay, trace to some fine to medium san .. <br /> some mica, shrinkage cracks throughout, <br /> 52 i damp, NOSC <br /> white stringers throughout - <br /> C t:• <br /> 5 4 ...�— <br /> Total depth of boring 54 feet. <br /> 56 PVC: •2 inch diameter, schedule 40 <br /> slotted 0.02 inch 54 to 34 feet <br /> blank 34 to surface <br /> 58 <br /> SAND #2/12 54 to 31 feet <br /> Bentonite pellets 31 to 28 feet <br /> 60 Grout/cement 31 to surface <br /> 62 <br /> 64 <br /> UNOCAL/PAGFIC & ROBINHOOD, PLATEJ.H. KLEINFELf)ER & ASSOCIATES �� � ST'T' /'r1/ <br /> OCK <br /> CIO11l•Nvl�ti[ IObCL1Ati1! • M�IUI+I! 11311~(; TON, CAUFORNIA <br /> PROJECT NO. 24-2027-3 <br /> LOG OF BORING NO. MW-4 <br />