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� i <br /> DATf 04/13 1999 13 29 PRJ# SB 70 4 DRAWING pro)\ca\othergm\sb-gm\unocal\sb000070 0001\UNO-C1 CHECKED CULLEN APPROVED CULLEN DRAFTER STILES <br /> /��� <br /> .000 <br /> / 1 <br /> 101, 1 <br /> ♦ �� f <br /> ♦♦ <br /> 00'* LI-9 ! <br /> 1 <br /> ( 00) ! j <br /> Approximate Property Boundary !� 1 <br /> I � Former Waste/� <br /> (<50) Oil Tank�11 U- l <br /> Former (removed t�f!)("'5'D)♦ I Ld f r <br /> Stationh /U-1 rmer /4010 L 1 <br /> Budding X(<50) D�spen1 f 1 <br /> 1 / Islandd I V) <br /> E 7 Q 1 NP-2 O 1 <br /> For r Undeplfround Z' (690) ' <br /> Former Waste 5t T k ate +rx <br /> Oil lank �" emovagee 1967) » U-3 <br /> (removed 1992) 0-1 I I 27,000) t� / <br /> U-6 'I'llormer <br /> Former <br /> Ispans 1 f f 0,000 /# (73 —N— <br /> un <br /> Underground� q-Z�♦ r /q ` �N -1 � ( ) <br /> 5toroge Tanks _ 1 (22 000) ,A 0 40 <br /> removed 1992) — —i <50)r R-; � <br /> / Scale in Feet <br /> f , 1 // �� � EXPLANATION <br /> �/ ♦ GROUNDWATER MONITORING WELL <br /> 0 NESTED PIEZOMETERS <br /> 9 VAPOR EXTRACTION WELL <br /> EAST MINER AVENUE l 1 / (<O 50) TPH(G) CONCENTRATION <br /> / / -----— TPH(C) CONCENTRATION CONTOUR <br /> / (NS) NOT SAMPLED <br /> CONCENTRATIONS IN pg/L <br /> * U-7 <br /> (<50) Soni r n Yn6kd Fmm orol"Rm W <br /> Parking `e I A By ceukr-%w Lw- <br /> ra ISO CONCENTRATION MAP, SHALLOW GROUNDWATER FIGURE <br /> ARCADIS TPHg - FEBRUARY 5, '1999 16-1 <br /> GERAGHTY&MILLER FORMER UNOCAL SERVICE STATION NO 0187 <br /> 437 EAST MINER AVENUE, STOCKTON, CA <br />