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PAR-Eckert Cold Storage,Manteca,CA <br /> November 25,2002 <br /> ' Page 7 <br /> detected'by EPA Methods 8015M 8260B in the groundwater samples collected from boring CPT-1 at <br /> depths of 39-43 feet bgs (S1) and 83-87 feet bgs (S2) at concentrations o£ (S1) 0.16 mg/l, 0.7 µg/1, 2.9 <br /> µg11, 1.5 µg/l, and 9.6 µg11, respectively, and (S2) 0.7 mg1l, 0.9 µg/1, 5.1 �tg/l, 6.5 4g11, and 40 µg/l. TEX <br /> was detected by EPA Method 8260B in the groundwater sample collected from boring CPT-1 at a depth <br /> of 100-104 feet bgs (S3) at concentrations of 1.3 µg/1, 0.9 µg/l, and 6.0 4g11,respectively. <br /> The laboratory analytical results for the additional groundwater sampling investigation are presented in <br /> Table 2,below. <br /> ' Table 2-Groundwater Sample Laboratory Analytical Results (October 10 and 11, 2002) <br /> GASOLINE OXYGENATES/ADDITIVES <br /> ' B T E X TPH-G <br /> MTBE Other Gasoline Oxygenates/Additives <br /> I Detection Limits: 0.5 0.5 0.5 1.0 0.05 0.5 0,5-5.0 <br /> µg/t tLg/l µsal pgA mg/l µP(l µgll <br /> Analytical Method: 8260E 8260E 8260B 8260B 8015M 8260B 8260B <br /> ' Sample I.D. Date <br /> 3471B-HP-1 10/10/02 <0.5 <0.5 <0.5 <1.0 <0.05 1.6 1,2-DCA 1.34 <br /> 347113-HP-2 10/11/02 <0.5 <0.5 <0.5 <1.0 <0.05 2.0 1,2-DCA 1.0• <br /> 3471B-HP-3 10/11/02 <0.5 <0.5 <0.5 <1.0 <0.05 <0.5 <0.5-<5.0 <br /> 347113-HP-4 10/11/02 <0.5 <0.5 <0.5 <1.0 <0.05 1.8 1.2-DCA 1.3♦ <br /> 3471 B-HP-5 10/11/02 <0.5 <0.5 <0.5 <1.0 <0.05 <0.5 <0.5-<5.0 <br /> 1 3471 B-HP-6 10/11/02 <0.5 <0.5 <0.5 <1.0 <0.05 <0.5 <0.5-<5.0 <br /> 347113-HP-7 10/11/02 <0.5 <0.5 <0.5 <1.0 <0.05 <0.5 <0.5--<5.0 <br /> ' 3471B-HP-8 10/11/02 <0.5 <0.5 <0.5 <1.0 <0.05 0.7 <0.5-<5.0 <br /> 3471E-HP-9 10/11/02 <0.5 <0.5 <0.5 <1.0 <0.05 <0.5 <0.5-<5.0 <br /> ' 3471B-HP-10 10/11/02 <0.5 <0.5 <0.5 <1.0 <0.05 <0.5 <0.5-<5.0 <br /> 3471 B-CPT-1-S i 10/11/02 0.7 2.9 1 1.5 9.6 .16 <0.5 <0.5-<5.0 <br /> 34710-CPT-1-S2 10/11/02 09 5.1 6.5 40 0.7 <0.5 <0.5-<5.0 <br /> 3471D-CPT-1-S3 10/11/01 <0.5 1.3 <0.9 6.0 <0.05 <0.5 <0.5-<5.0 <br /> 347]B-CPT-2-SI 10/10/02 <0.5 <0.5 <0.5 <1.0 <0.05 <0.5 <0.5-<5.0 <br /> L3L471B-CPT-2-S2 10/10/02 <0.5 <0,5 <0.5 <1.0 <0.05 <0.5 <0.5-<5.0 <br /> 710-CPT-2-S3 10/14/02 <0.5 <0.5 <0.5 <1.0 <0.05 <0.5 <0.5-<5.0 <br /> Units: Anal icaL <br /> mg/L=milligrams per liter=parts per million(ppm) B,T,E,X=benzene,toluene,ethyl benzene,total xylenes <br /> µg/1.=micrograms per liter=parts per billion(ppb) TPH-G=total petroleum hydrocarbons quantified as gasoline <br /> Gasoline oxygenates/additives= methyl tertiary butyl ether(MTBE),ethanol, <br /> ' tertiary butanol,di-isopropyl ether(DIPE),ethyl tertiary butyl ether(FTBE), <br /> tertiary amyl methyl ether (TAME), 1,2-dibromoethane (EDB), 1,2- <br /> . dichloroethane(1,2-DCA) <br /> ♦=all other oxygenates/additives were not detected at or above the laboratory <br /> reported detection limits <br /> 14- <br /> ' is CONDOR <br />