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j <br /> Total depth of boringe 55 ft. @lemmter of boring, 10 In. Date drilfade 1/3,1/90 <br /> Cooing dlametore 4 In. Lonoths 49 ft. Slat elx®e_01710 <br /> Careen diameter, 4 In. Length, 4 ftp_blokrl®! type, PVC <br /> Drllllasg Company, Spectrum Drilling Drillers Rav and Ted <br /> Mothod Used, Hollow Sten Auger (Continuous) Field Geologists K.'Vafter, <br /> Signature of Rapletared 7rollaeelonmil <br /> Regletratlon No., 4313 States Calif. <br /> DEPTH o P.I.Q. uses DESCRIPTION ael�L -j <br /> CODE CONST. <br /> Asphalt <br /> Subbase i <br /> 2 CL 0.ay, r.+sky brown, damp, hard. d Fi f <br /> 4 <br /> S-5 ppm ML Silt with trncp clay, dark yellowish- brawn, dry, very <br /> ,• _ Gttr"f. p. <br /> B - .. <br /> 8 � ' <br /> Fi Fi <br /> 1� 5-10 31 � •. 13I <br /> Q� i �f. <br /> moderate yeliDwish'-Drown, rapt oortngs, <br /> hard, friable, <br /> 12 ti it <br /> SM Sand with some silt, fine-grained, moderate brown, dr <br /> N: NJ <br /> 14 c'l t 'with some sand, Fine--to scars e-grnlnpd, dark .+ <br /> ML yellowish-orange dry, ;ard, :rlabie. <br /> �s O • <br /> r .. S-15 5� p�� :ly.^,� OIEV P-c.^D',YP. � � <br /> moderate yellowish-brawn. i <br /> 1B grayish crarge, i rlable. .. 3 <br /> Light olive-gray, very stiff. <br /> i <br /> b s i <br /> 20 CL Stay with sone silt, trace fine-groaned send, MDdera-�e ' �• <br /> yellowish-brown, MDIs:, soft, laminated. <br /> (saction contimes downwdrd) <br /> f - .LOG OF BORING - S"- / oi +LATE <br /> AAAIPwd a.o ,.,.roma Unocal Service Station No-.69811 <br /> 4707 Pacific Avenue P'� <br /> PROJECT NO. 38033.3 <br /> Stockton, California <br />