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( <br /> 1 <br /> 1 <br /> MW <br /> S}6 s s <br /> 0 <br /> (ND) SM <br /> � <br /> LEGEND <br /> ' SPND6 FENCE <br /> P 8 ;OMW-1 GROUNDWATER MONITORING WELLS <br /> CONCRETE + (ND)5 + O MW-3 <br /> ' 0 (NS) 090-1 APPROXIMATE SOIL BORING LOCATION <br /> MW-13 I AND NUMBER, DRILLED (2/14/90) <br /> SP-4 ' (NS) InCPT–1 APPROXIMATE CONE PENETROMETER <br /> ' (ND)F BORINGS AND NUMBER, DRILLED (5/18/99) <br /> PZ-1 APPROXIMATE PIEZOMETER LOCATION AND <br /> NUMBER, INSTALLED (9/94) <br /> ' FORMER DISPENSER +SP-1 APPROXIMATE AIR SPARGE WELL LOCATION <br /> AND NUMBER, INSTALLED (6/95) <br /> 0 VW_1 APPROXIMATE VENT WELL LOCATION <br /> AND NUMBER, INSTALLED (6/00) <br /> ' FORMER GASOLINE <br /> GALLON FORMER 6,000–GALLON D APPROXIMATE AIR SPARGE WELL <br /> REMOVED 4/1987 GASOLINE, UST 1 SP–A LOCATION, INSTALLED (3/02) <br /> REMOVED+4/1987 <br /> MW-4 i O A APPROXIMATE BORING LOCATION <br /> ' AND NUMBER, INSTALLED (6/04) <br /> FORMER 10,000–GALLON <br /> (NS) <br /> DIESEL LIST DETECTION* DETECTION MAY BE AN ANOMALY <br /> NOT INCLUDED IN CONTOURS <br /> + ; (ND) CONCENTRATION NOT DETECTED <br /> SP-3(ND) <br /> ABOVE METHOD DETECTION LIMIT <br /> (ND) G r-- — — 7 <br /> ' <br /> Do <br /> r , U – (NS) – NOT SAMPLED <br /> SP )+ 0 (ND)12 0 _ CONTOUR(„9APPDXIMATEug/LjOUNDWATER CONCENTRATION <br /> F <br /> ' — -1 r _ _ I <br /> (ND' <br /> 90-2 L — J J (2 8) (ND) CPT-1 <br /> 8 <br /> B M(27 1–1 4 Ir <br /> SP–A '000 i 4 General Note <br /> This contour map is based on interpolation <br /> S 2- between widely spaced monitoring wells and <br /> 0 W_9 (A2 i only at the monitoring well location is the <br /> (NS) 0 _ PZ-2 elevation actually known <br /> ' <br /> (NS) <br /> 2 (ND) VW-1 S <br /> PZ— <br /> E (2,200)® MW-5 <br /> (ND) <br /> (ND) s <br /> MW-11 <br /> PROPERTY 0 30 <br />' BOUNDARY �y <br /> { FEET <br /> T PROJECT N° 62400145 <br /> BENZENE 1N GROUNDWATER (ug/L) — CONTOUR MAP MM MAL 2651 S Airport Way <br /> g I c"xD �PP6 Stockton, CA 95206 <br /> m uu APRIL 2005 PEA� <br /> $ 8/19/05 R�` 1 FIGURE 5 <br />