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Table 3
<br /> Historical Soil-Gas Samples Analytical Results
<br /> 7-Eleven Store#19976
<br /> 1399 North Main Street
<br /> Manteca,California
<br /> Sample Ethyl MtBE MtBE
<br /> Sample Date Depth Benzene Toluene Benzene Xylenes TPHg 8020 8260 DIPE EtBE TAME TBA 1,2-DCA EDB Notes
<br /> I.D. Sampled (ft bgs) (Pg/m3) (Ng/m3) (ug/m3) (Ng/m3) (Pg/m) (N9/m3) (Ng/m3) (tag/m) (Ng/m) (Ng/m) (Ng/m) (ug/m) (Ng/m3)
<br /> Soil Gas Samples
<br /> SGA 09/18/00 3 <200 <200 <200 <200 <20,000 -- <1,000 <1,000 <1,000 <1,000 <4,000 <1,000 <1,000
<br /> SG-2 09/18/00 3 <200 <200 <200 <200 <20,000 -- <1,000 <1,000 <1,000 <1,000 <4,000 <1,000 <1,000
<br /> SG-3 09/18/00 3 <200 <200 <200 <200 <20,000 -- <1,000 <1,000 <1,000 <1,000 <4,000 <1,000 <1,000
<br /> SG-4 09/18/00 3 <200 <200 <200 <200 <20,000 -- <1,000 <1,000 <1,000 <1,000 <4,000 <1,000 <1,000
<br /> SG-5 09/18/00 3 <200 <200 <200 <200 <20,000 -- <1,000 <1,000 <1,000 <1,000 <4,000 <1,000 <1,000
<br /> SG-6 09/18/00 3 <200 <200 <200 <200 <20,000 -- <1,000 <1,000 <1,000 <1,000 <4,000 <1,000 <1,000
<br /> SG-7 09/18/00 3 <200 <200 <200 <200 <20,000 -- <1,000 <1,000 <1,000 <1,000 <4,000 <1,000 <1,000
<br /> SG-8 09/18/00 3 <200 <200 <200 <200 <20,000 -- 1,200 <1,000 <1,000 <1,000 <4,000 <1,000 <1,000
<br /> SG-9 09/18/00 3 41,000 <10,000 <10,000 <10,000 2,500,000 -- 2,200,000 <100,000<100,000 <100,000 <400,000 <100,000 <100,000
<br /> SG-10 09/18/00 3 <200 <200 <200 <200 <20,000 -- 8,100 <1,000 <1,000 <1,000 <4,000 <1,000 <1,000
<br /> SG-11 09/18/00 3 <200 <200 <200 <200 <20,000 -- 4,500 <1,000 <1,000 <1,000 <4,000 <1,000 <1,000
<br /> Explanation:
<br /> ft bgs=Feet below ground surface
<br /> pg/L=micrograms per liter or parts-per-billion
<br /> <=Not detected above laboratory reporting limit r
<br /> --=Not applicable
<br /> TPHg=Total petroleum hydrocarbons-as-gasoline
<br /> MtBE=Methyl-tert-butyl ether
<br /> DIPE=Diisopropyl ether
<br /> EtBE=Ethyl-tert-butyl ether
<br /> TAME=Tert-amyl-methyl ether
<br /> TBA=Tert-butanol
<br /> 1,2-DCA=1,2-Dichloroethane
<br /> EDB=1,2-Dibromoethane
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