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' WHIF Environmental Consultants, Inc P 0 Box 6729, Modesto, CA 95355-6729
<br /> STRATIGRAPHIC SECTION
<br /> Client MANTECA UNIFIED SCHOOL DISTRICT Page 1 of
<br /> Location 2901 it LOUISE AVE , LATHROP, CA Contractor SEMCO
<br /> Project Project # Elevation
<br /> Date Started 717193 Date Completed 717193
<br /> Total Depth 23 FEET Water Depth 16 FEET ILogged By L SMITH Reviewed
<br /> ' DEPTH SMPL BLOW PID IN USC$
<br /> ;FEET) INT COUNTPPM LITHOLOGY s..w LITHOLOGIC DESCRIPTION REMARKS
<br /> t
<br /> 'SP Q - 2 d 20*0EL GRADE FILL
<br /> s s
<br /> OL 2 0 - 5 5' SOIL HORIJON, ORGANIC, caliche
<br /> har pan at 5
<br /> 's <a
<br /> SP 5 5 - 8 0' SANp, sl dty, m d drk �rn , poorly
<br /> { iz sorted, ppred� med crs -gr corTipact,
<br /> r r
<br /> iIC odor, v micaceous, sp organic, no
<br /> sw 8 0 - 12 5' $AND, cross-bedded, met yell -brn
<br /> (dries to I ray), Yred meVrrs -grnd
<br /> « « qt sub-rn ORoose, c9 teddgrai s, angular
<br /> 1a - 1� S
<br /> ' « • • strong H odor from ery Irre
<br /> upper contact
<br /> ML 12 5 - 15 5 �S1bT, v glayey, v sandy (vf-grnj,),
<br /> yel - rn vv It med b�tje-gray rltott )n
<br /> 19Ping pl stiCC, mos w Ite v Y. va)
<br /> 1 Pngs ub s, X3/6 v crs tz son
<br /> M tanrg o or {pitl corner o ongina IV�er
<br /> ' MH 15 5 - 20 0' $ILT, v clayey, sl sandy , drk brn ,
<br /> partly cemented, tough„ micacoeus
<br /> '
<br /> SM 20 0 - 22 0AND, SI silty, f -grnd , lue- ray,
<br /> d, partly cements m pgaces
<br /> wJ sorte
<br /> SM 22 0 - 23 0 SAND, med to crs -g nd,, silty drk
<br /> ell -brn , pred qtz , fairy�'7ood
<br /> ght, shale
<br /> gs , m)CaceOL , pyr te, ign , calc
<br /> ' Max Pit Depth — 23 ft finings, saturated mo� Hor
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