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J <br /> TABLE 1 LABORATORY ANALYSES RESULTS FOR SOIL SAMPLES <br /> STOCKTON UNIFIED SCHOOL DISTRICT <br /> FRANKLIN HIGH SCHOOL <br /> HL10089003 <br /> Location' Sample Depthe TPH-G Benzene Toluene Ethylbenzene Xylenes Total Lead WET OVA` <br /> Number {ft) (mg/Kg) (ug/Kg) (uglKg) (u IK <br /> 9 g) (ug/Kg) (mglKg) Lead Reading <br /> (mg1L) (Ppm) <br /> B-1 132 10 1920° <2500 <2500 42,000 350,000 127 NA >1000 <br /> B-1 132R 10 1620° NA NA NA NA 137 NA >1000 <br /> B-1 1344 20 <0 05 <1 3 <1 5 NA <0 5 30 <br /> B-1 136 30 <51 27 94 9 59 7 3 NA 67 <br /> B-1 136R 30 NA 26 96 10 68 NA NA 67 <br /> B-1 138 40 006 8 10 <1 17 106 NA 70 <br /> B-1 138R 40 NA 6 7 <1 15 NA NA 70 <br /> B-1 150 50 <0 05 20 <1 <1 13 93 NA <5 <br /> B-2 153 15 <0 05 <1 <1 <1 <1 <br /> 107 NA <5 <br /> B-2 154 20 <0 05 <1 <1 <1 <1 98 NA <5 <br /> B-3 157 15 <0 05 <1 <1 <1 <1 107 NA <5 <br /> B-3 158 20 <0 05 <1 <1 <1 <1 10 NA <5 <br /> Proposed Soil -- 100 10,000 60 800 175 000 5,000 <br /> Threshold Levels° -- <br /> a Refer to Figure 2 for approximate locations of soil borings <br /> b Depth below existing ground surface at time of sampling <br /> c Concentration In container headspace as measured In the field with a Foxboro Model 128 portable OVA equipped with a Flame Ionization detector Concentrations are expressed In parts <br /> per million(ppm)by volume as methane equivalent <br /> d Sample shows the less volatile portion of gasoline <br /> e Sample analyzed after expiration of holding time <br /> f Higher detection limit due to presence of diesel fuel in sample <br /> g Proposed soil threshold levels are based on 100 times DOHS Maximun Contaminant Levels(for benzene eihylbenzene and xylenes)and Applied Action Levels(for toluene)expressed as uglKg <br /> TPH G=Total Petroleum Hydrocarbons as gasoline(Volatile Petroleum Hydrocarbons Identified as gasoline) <br /> NA=Not Analyzed <br /> <"=Laboratory Limit of Delectlon <br /> 'R =I aboratory Quality Control Replicate <br />