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TABLE 1 <br /> Analytical Results of Soil-Vapor Samples <br /> Cancun Restaurant <br /> 135 East Miner Street, Stockton, California <br /> (pg/m3) <br /> Sample ID Sample Date TPH-g Benzene Toulene Ethylbenzene Total Xylenes MTBE 1,2-DCA Naphthalene IPA %Oxygen <br /> 09/15/17 >29,000,000 4,800 <380 <440 <1,300 <370 <21 <53 <250 0.5 <br /> SV-1 04/05/18 4,800,000 <16 <380 <440 <1,300 <370 <21 <53 <500 0.66 <br /> 02/25/19 8,600,000 2,400 <1,300 <1,500 <1,500 <1,200 <1,400 <3,500 <33,000 2.1 <br /> 09/15/17 230,000 <br /> V - hroud 04/05/18 -- -- -- -- -- -- 29,000 <br /> 02/25/19 140,000 <br /> 09/15/17 2,600,000 680 <380 <440 <1,300 <370 <21 <53 <250 0.6 <br /> SV-2 04/05/18 1,300,000 300 <380 <440 <1,300 <370 <21 <53 <500 0.65 <br /> 02/25/19 4,200,000 <640 <760 <880 <880 <740 <820 <2,100 <20,000 1.2 <br /> 04/05/18 54,000 <br /> SV2-Shroud <br /> 02/25/19 320,000 <br /> Indoor Air 02/28/19 <36 0.70 1.2 0.22 0.97 <0.37 0.081 0.16 - <br /> -r <br /> LTCP No Bioattenuation Zone: --- 85 1,100 --- 93 <br /> LTCP With Bioattenuation Zone: 85,000 1,100,000 93,000 <br /> Notes: <br /> pg/m':micrograms per cubic meter <br /> TPH-g:total petroleum hydrocarbons quantified as gasoline <br /> <:indicates constituents were not reported at a concentration greater than the reporting limit shown <br /> -:not analyzed <br /> LTCP:California Low Threat Closure Policy Screening Levels for residential land use(State Water Resources Control Board) <br /> ---:No bioattenuation zone criteria level for the listed constituent <br />