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ME% = M M M M M me M M M M M M 0EbM M , <br /> DATE 04/13/1999 13.32 1 PRJ# SB 70 4 DRAWING prof\ca\othergm\sb—gm\unocal\sb000070 0001\UNO—C6 I CHECKED CULLEN APPROVED CULLEN DRAFTER STILES <br /> U-9 <br /> (0 6) <br /> Approximate Property Boundary / owl/ <br /> I * — — —Former Waste U-4+ / /// �.. <br /> I (0 5) Oil Tank (0 2) // / .0-0� <br /> Former (removed 1957)-1 I / <br /> I Station �� Former /� Lv 000 <br /> i <br /> Building U-1 DiSrrr / '.R? 1 I <br /> ,r (1 2)*41/island // 000000 <br /> V) 1 j <br /> I //! 110 ��NP-2 I <br /> / Former U ground/,,, �/ (6 5) <br /> I Farmer Waste / Stora onk Six 1I 000 0. <br /> ( Oil Tank / {Cmoved 1057) .�`Q / O 5000 I <br /> / / <br /> (removed 1992) Q- / 5500 <br /> U-6 / or / / -:]� / /// <br /> Q00 <br /> (06)+ 6i / <br /> of <br /> Former s!'I ands p U_g 0 40 <br /> I Undergroun /� -� d`� (4 fi) I /' // /�'�/ / (1 5) <br /> I Storage Tonk U-2 D-4-,UV-tj ` <br /> removed 1992 — S(32) (SIS) — ^ — // Scale .n Feet <br /> ♦� �� ��.��� /� EXPLANATION <br /> O NESTED PIEZOMETERS <br /> ♦ �� / + GROUNDWATER MONITORING WELL <br /> / 19 VAPOR EXTRACTION WELL <br /> // (<0 50) IRON CONCENTRATION <br /> EAST MINER AVENUE � ---- IRON CONCENTRATION CONTOUR <br /> �--� (NS) NOT SAMPLED <br /> CONCENTRATIONS IN pg/L <br /> + U-7 <br /> (0 4) Source Figure Modified From Drawing Provided <br /> Parking rr— By Gettler — Ryan Inc <br /> ISO CONCENTRATION MAP, SHALLOW GROUNDWATER FIGURE <br /> ARCMIS IRON - FEBRUARY 5, 1999 16-6 <br /> GERAGHTY&MILLER FORMER UNOCAL SERVICE STATION NO 0187 <br /> 437 EAST MINER AVENUE, STOCKTON, CA <br />