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Pangea <br /> Table 2.Groundwater Analytical Data-324 East 11th Street,Tracy,California <br /> o` <br /> N� <br /> O <br /> 47 Qy4� �� ��� tyq� �X Notes <br /> GW Tier 1 ESL 50,000 100 100 1.0 40 13 20 5.0 12 -- - - 0.05 0.5 <br /> LTCP Criteria -- -- -- 3,000 -- -- -- 1,000 -- -- -- -- -- -- <br /> Ng/L <br /> Date Sample Depth <br /> Sample ID Sampled (ft-ft) <br /> B-1 7/8/2013 9-15 33,000 72,000 6,200 750 16 20 <5.0 <1.2 43 <1.2 <1.2 <1.2 <1.2 <1.2 1 <br /> B-2 7/8/2013 8-15 --- - <50 <0.5 <0.5 <0.5 <0.5 <5.0 --- --- --- --- --- --- <br /> B-3 7/8/2013 11-15 --- -- 60 <0.5 <0.5 <0.5 <0.5 <5.0 --- --- --- --- --- --- <br /> B-4 7/8/2013 10-15 <250 310 200 <0.5 0.71 <0.5 <0.5 <5.0 --- --- --- --- --- --- <br /> B-5 7/8/2013 23-25 --- - <50 <0.5 <0.5 <0.5 <0.5 <5.0 --- --- --- --- --- --- <br /> B-6 7/8/2013 9-15 <250 3,600 7,300 <5.0 18 200 <5.0 <5.0 <20 <5.0 <5.0 <5.0 <5.0 <5.0 1 <br /> 13-7S 7/10/2014 15-20 <500 170 410 32 0.90 26 2.9 <5.0 -- -- -- -- -- -- <br /> 13-713 7/10/2014 21-24 <750 280 180 17 0.58 8.7 1.4 <5.0 -- -- -- -- -- -- <br /> B-9 7/10/2014 15-20 <250 72 <50 <0.5 <0.5 <0.5 <0.5 <5.0 -- -- -- -- -- -- <br /> B-10 7/10/2014 15-20 <500 <100 <50 <0.5 <0.5 <0.5 <0.5 <5.0 -- -- -- -- -- -- <br /> Explanation: <br /> Benzene,Toulene,Ethybenzene and Xylenes by EPA Method 8021B or 8260B. <br /> TPHg=Total Petroleum Hydrocarbons as Gasoline. <br /> TPHd=Total Petroleum Hydrocarbons as Diesel by EPA Method 8015. <br /> TPHmo=Total Petroleum Hydrocarbons as Motor Oil. <br /> MTBE=Methyl tertiary butyl ether by EPA Method 8021B or 826013. <br /> TBA=t-Butyl alcohol by EPA Method 8260. <br /> TAME=tert-amyl methyl ether by EPA Method 8260. <br /> DIPE=Diisopropyl ether by EPA Method 8260. <br /> ETBE=Ethyl tert-butyl ether by EPA Method 8260. <br /> EDB=1,2-Dibromoethane by EPA Method 8260. <br /> 1,2-DCA=1,2-Dichloroethane by EPA Method 8260. <br /> pg/L=micrograms per Liter <br /> <n=Chemical not present at a concentration in excess of detection limit shown. <br /> ---=Not analyzed <br /> ft-It=Approximate groundwater sample depth interval,in feet below grade surace. <br /> ESL=Environmental screening level established by the SFBRWQCB,Interim Final-November 2007 and amended in February 2016,Revision 3. <br /> Bold=Concentration above Tier 1 ESLs for groundwater. <br /> Notes: <br /> 1=Methanol and Ethanol not detected above laboratory reporting limits. <br />