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LEGEND <br /> ET FORMER TRANSFORMER LOCATION SAMPLE ID SAMPLE ID <br /> ® SAMPLE LOCATION Depth 0.5' 5.0' DEPTH IN FBG(FEET BELOW GRADE) <br /> TPHd 74 2.6 CONCENTRATION IN MILLIGRAMS <br /> PER KILOGRAM(mg/kg) <br /> KITCHEN <br /> BLDG 1 <br /> CAFETERIA/ STAGE <br /> AUDITORIUM <br /> CONCRETE-2 <br /> TPHd 8,000 <br /> B-20 CONCRETE PAD PCBs ND <br /> Depth 0.5' 5.0' <br /> TPHd 74 2.6 B-22 <br /> TPHmo 540 <50 Depth 0.5' 5.0' <br /> PCBs ND ND <br /> TPHd 81,000 7,300 <br /> B-21 PCBs ND ND <br /> Depth 0.5' 5.0' <br /> TPHd 110 9.7 P1 CONCRETE-1 <br /> TPHmo 360 <50 TPHg 0.45 <br /> PCB-1260 0.057 <0.050 <br /> TPHd 10,000 <br /> Other PCBs I NO ND PCBs ND <br /> P2 <br /> WELLS <br /> P3 <br /> STORAGE <br /> F] H <br /> 0 10 30ft <br /> Figure 7 <br /> TPH AND PCBs IN SOIL AND CONCRETE CONCENTRATION MAP <br /> DELTA ISLAND SCHOOL <br /> 11022 W. HOWARD ROAD <br /> SOURCE: CAS ATE CEO SURVEY REPORT DATED III(N .COORDINATES Stockton, California <br /> BASED ON CA STATE COORDINATE SYSTEM,ZONE III(NAD83).BENCHMARK <br /> ELEVATION=4.30 FEET(NAVD 88). <br /> 080238-02(PRES001)GN-EM007 JUN 24/2015 <br />