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Table 2 30-0140 <br /> Summary of Results of Ground water Monitoring and Sampling <br /> Former Mobil Station 04-NP4 <br /> 2375 Tracy Boulevard, Tracy, California <br /> Concentrations to parts per billion (ppb) <br /> x.a=aa=c=.a==mass===o==seesss==c==aass=as==saga===xca==aas==xx�=saaesccc==;==mans==c=====man===cxs==aaaas====xar- <br /> WELL DATE OF CASING DEPTH GROUND FREE TPH-G B T E X FC - -- FS LAB <br /> ID SAMPLING/ ELEVATION TO WATER PRODUCT (CFU/ (CFU/ <br /> MONITORING (ft-msl) WATER (ft) ELEVATION THICKNESS 100m1) 100m1) <br /> ------------ ..................... ----------- ----------- ---------------------- <br /> EXPLANATION TO ABBREVIATIONS: <br /> TPH-G total petroleum hydrocarbons as gasoline # MW-5 was additionally tested for the following. <br /> B -benzene Method====aa Analyte <br /> Amount-Found <br /> T •toluene - -- - - --=---am=a_ <br /> E •toluenenzene 120 1- Conductivity 1286 adios/cm <br /> 160 1 Total Suspended Solids 789 mg/l <br /> X total xylenes <br /> FC Fecal Coliform (CFU = Colony Forming Units) 160 1 Total Dissolved Solids 953 mg/L410 <br /> FS Fecal Streptococci (CFU = Colony Forming Units) 4 Chemical Oxygen Demand 190 <br /> --- not sampled/not measured 360 1 Dissolved Oxygen 1 3 mg/l <br /> 7.60NA not applicable/not available NA pH <br /> ND .not detectable at or above reported detection limits <br /> CAL Chromalab, Incorporated <br /> SAL :Superior Analytical Laboratory <br /> SEQ -Sequoia Analytical Laboratory <br /> NOTES. Casing elevations were surveyed with respect to most southwesterly anchor bolt of the signal standard located <br /> at the most southerly return of the southwesterly corner of the intersection of Grant Line Road and <br /> Tracy Boulevard (elevation = 26 13) <br /> * .Equivalent ground water elevation calculated assuming 0 8 specific gravity for free-floating product <br /> 30-Ju1-92 Page 7 of 7 <br />