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5 <br /> B—s' EXPLANATION <br /> A A, <br /> NORTHWEST SOUTHEAST SILT, CLAYEY SILT (ML) <br /> 0 MW-1 MW-6 MW-5 MW-2 <br /> - - -- - — — - -- — — — 0 <br /> " M SILTY SAND (Slat) <br /> - <br /> - - - - — — — -- — — — - - - — <br /> - ML - - - - - - - - - - - m <br /> - - - - - - <br /> - - - - - <br /> - - - .- - - - - - - - - - - - - - - - o0 <br /> �^ MW-5 WELL DESIGNATION <br /> 20 - - - - - .- � _ - - - - - -- - - 20 0 <br /> • -- - <1 O.OQS <O.1 � <br /> <1,&0.Q05/­<O.1 BOREHOLE <br /> - - - - - - - -- - - 0 <br /> <1 <0.0 5 O. 86- - - - - ML - _ z <br /> _ _ _ _ _ _ _ _ _ _ v TOTAL PETROLEUM HYDROCARBON (TPH) <br /> <1/<0-0O5/<o..1 - - - _ - - - 7Z - - _ - - _ c <1 <D.OQ <Q.1 CONCENTRATION IN SOIL (mg/kg) <br /> -<1 <0.OQ5 <O.1 - (mg/Kg) <br /> 40 - _ _ ��< <O.OQ 0.154- �:< <0.005 1.26 - - 40 a f <br /> - - - - _ - m _ L METHYL TERT-BUTYL ETHER <br /> - <br /> ;S �y`_ - -- - - - _ - - _ BENZENE CONCENTRATION IN SOIL (mg/kg) <br /> SMS' <br /> - - - - - - - - - - ` _ _ - FILTER PACK INTERVAL <br /> -- - - <1 < 5 < -1- '`<1 0 005 <O.1 - - - - - - - <br /> - t GROUNDWATER LEVEL <br /> TQ = 55' TO = 54.5' - - - - -<1�<0 0051<4.1 SCREEN INTERVAL <br /> 60 _ <1 <o. s <0.t '- — _ <br /> TD = 61' - - TD = 60' fiO <br /> TO = 54.5' TOTAL DEPTH OF BORING (FEET) <br /> MTBE ANALYZED BY USEPA METHOD 8260A <br /> A-A' <br /> B B, <br /> SOUTH NORTH 20' <br /> SCALE: <br /> -MW-3- - MW-6 MW-4 VERTICAL SCALE: 2" = 20' <br /> 0 p <br /> _ APPROXIMATE _ _ _ _ - HORIZONTAL SCALE: 1" = 3D' <br /> LIMITS OF UNDERGROUN ` - <br /> - STORAGE TANK - -_- <br /> I COMPLEX J - <br /> ` = - - - <br /> -i- - - - - - - - - - - 0 30' <br /> - - MI. - - - - - - - - - rmi <br /> 20 - - - - - --- - - - - - - - - - 20 0 <br /> 0 NOTE: SEE FIGURE 2 FOR LOCATION OF SECTIONS <br /> -- - - - - <1/<0.005 0.685 - - - - - c <br /> Z <br /> 1 < <O.1 <br /> <0.1 <br /> 40 �`� rs `�,'= - -<1 <0.00 0.154 _ - - - - - 40 a <br /> 2,36/0.67611,01- - 0 <br /> m <br /> <1 <0.00 <0.1 <br /> — — — — — — — — — — _ — — — — — — FIGURE 3 <br /> GEOLOGIC CROSS SECTIONS A - A' AND B <br /> TML -<i/<O.005 <Q.1 _ B, <br /> — — — — _ _ — __ _ _ ARCO FACILITY NO. 5469 <br /> — <1 <Q.o <0.1 — -- — — -TD - 55'- — .— — — — 130 WILSON WAY <br /> 60 — - a1 _ 60 STOCKTON, CA. <br /> TO <br /> TD = 61.5'- PROJECT NO. DRAWN BY <br /> RBAILEY K. MARTIN <br /> FILE NO. PREPARED BY Delta <br /> DO-336-03 R. BAILEY Environmenfol <br /> DATE00 REV. REVIEWED BY /,fes Consultants, Inc. <br /> O3 AUG A <br />