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TABLE 1 Page 1 of 1 <br /> rpOIL VAPOR ANALYTICAL DATA <br /> FORMIER CHEVRON SERVICE STATION 9-8632 <br /> 575 :RANT LINE ROAD, TRACY, CALIFORNIA <br /> Sample Ethyl- Carbon <br /> Date TPHg Toluene Xylenes MTBE Helium Oxygen <br /> ID benzene Dioxide <br /> 4 concentrations in pg/m 3 ► percent (%) -� <br /> ESLs ' 29,000 280 180,000 31300 581000 31,000 -- - -- <br /> VP-1 10/ 9/2009 120,000,000 20,()Ci0 15,000 <13,000 <13,000 15,000 <0.12 1.0 14 <br /> 7/6/2010 100,000,000 26f000 <21500 6,600 31200 <2,400 <0.13 1.2 14 <br /> VP-1 (dup)* 10/9/2009 1201000,000 20,0 C0 <12,000 <13,000 <13,000 22,000 <0.12 1.0 14 <br /> DUPE* 7/6/2010 100,000,000 2610CO <2,500 61700 <2,900 <21400 <0.13 1.1 14 <br /> VP-2 10/9/2009 3,200 <3.c 6.0 <5.4 <5.4 <4.4 -- -- <br /> 7/6/2010 66,000 6.3 <5.2 10 <6 <5 <0.14 7 13 <br /> VP-3 10/9/2009 11100 <4. <4.8 <5.5 <5.5 <4.6 <0.13 10 8.4 <br /> 7/6/2010 14,000 <4. <5 <5.7 G.7 <4.8 <0.26 13 7.4 <br /> VP-4 10/9/2009 22,0001000 4,900 <21300 120,000 67,000 <2,200 <0.12 1.4 9.9 <br /> Abbreviations/Notes: <br /> r = ESLs are from Table E (commercial/industrialland use) A the Screening for Environmental Concerns at Sites with Contaminated Soil and Groundwater, <br /> California Regional Water Quality Control Board, San Fran-sco Bay Region, Interim Final-November 2007 (Revised May 2008). <br /> z= Helium, Oxygen, and CO2 analysis was cancelled because the sample was compromised in the laboratory. <br /> Data in bold represent concentrations that exceed ESLs. <br /> <x = not detected at or above laboratory reporting limit x - <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> MTBE = Methyl tertiary-butyl ether <br /> µg/m3 = micrograms per cubic meter <br /> ESLs = Environmental Screening Levels <br /> * = field duplicate <br /> - = Not analyzed r <br /> CRA 632277 (11) <br /> I� <br />