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PARKING LOT Z <br /> EXTENT OF — <br /> FORMER EXCAVATION Depth 15 ft. 111 <br /> r <br /> TPHy c1.0 0 <br /> Benzene c0.005 0 <br /> FORMER D <br /> USED OIL 0 <br /> UST 0 <br /> g y �>� Depth 30 It. 35 ft. <br /> 100 ,� \ , TPHy 5.1 6.6 <br /> G) ;� T 1�4 Benzene 0.15 0.80 Depth 15 fl. m <br /> MTBE(8020) <0.05 0.091 <br /> i MTBE(8260) <0.0088 — TP -g <7.0 <br /> ® Benzene 10.005 <br /> FORMER <br /> Depth 15 ft. R DISPENSE <br /> Depth 15 ft. ILDING <br /> p TPHy 11.0 Depth 15 ft. <br /> TPHy <1.0 Benzene <0.005 <br /> Benzene <0.005 TPHy <1.0 <br /> ' Benzene 10.005 <br /> Depth 20 ft. 30 ft. 35 ft. 40 ft. B❑ _ " <br /> TPH-g 4,300 12,000 7,900 6,800 _ _ — — <br /> Benzene <0.1 <0.25 6.2 54 1 "t <br /> MTBE(8020) <2.0 <5.0 <2.0 <10 tit r 211 ■3V <br /> MTBE(8260) — — — <2-5 1 1 1 1 1 <br /> I I 1F RM11 1 <br /> B1 ; <br /> 1 STS <br /> FORMER EXCAVATION 1 1 1 1 L■I <br /> 1 1 1 � 64 ( <br /> 1 FORMER <br /> Depth 15 ft. D ___ —-- <br /> TPHy 8,500 — " <br /> RESIDENCE Benzene 10.3 1 APNit 1 5-140.07 <br /> 1 <br /> ` APNft 115'140-06 <br /> APN ft 11514o-05 Depth 20 fl. 30 ft. 35 ft. <br /> Depth 15 ft. Depth 20 ft. 30 ft 35 ft. TPHy 11.0 14 65 <br /> TPHy 19,000 TPHy 15,000 13,000 4,300 Benzene c0.005 0.22 1.1 <br /> Benzene 12 Benzene 10.25 11 20 MTBE(8020) 10.05 10.05 <0.1 <br /> MTBE(8020) 15.0 130 11.0 MTBE(8260) — 10.005 0.01 <br /> LEGEND: <br /> MTBE(8260) <1■ Sampling Location During the 1994 Tank Removal N <br /> ❑ Sampling Location During the 1999 Preliminary Site Investigation <br /> TPH-g Total Petroleum Hydrocarbons as gasoline 0 90 <br /> m MTBE Melhyl Tertiary Butyl Ether �J <br /> Scale(feet) <br /> o Notes: Analytical results in milligrams per kilogram(mg/kg). <br /> SITE PLAN SHOWING SOIL SAMPLE ANALYTICAL RESULTS FIGURE: <br /> J <br /> JoNOETIC FORMER SERVICE STATION <br /> 75 EAST ALPINE AVENUE <br /> STOCKTON, CALIFORNIA <br />