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L & M OPERABLE UNIT-THIRD QUARTER 2013 SITE STATUS, REMEDIAL SUMMARY, <br /> AND GROUNDWATER MONITORING REPORT <br /> Soil Vapor Sampling <br /> November 1, 2013 <br /> Analyte Sample # Sample # % Difference <br /> APSV-10 APSV-10D <br /> TPHg (ppmV) 34.2 34.2 0 % <br /> Methane (ppmV) 16,000 15,000 6.5 % <br /> Analyte Sample # Sample # % Difference <br /> UPSV-3 UPSV-3D <br /> TPHg (ppmV) <2.4 <2.4 0 % <br /> Methane (ppmV) <1,000 <1,000 0 % <br /> The trip blank did not contain analytes at or above laboratory reporting limits. <br /> 4.2.5 Conclusions <br /> TPHg concentrations were reported as non-detect (less than 2.4 ppmV) in the APSV and UPSV <br /> wells during 3Q13 with the exception of APSV-10, APSV-10-D, and UPSV-5. BTEX, <br /> naphthalene and the fuel oxygenates (MTBE, DIPE, EtBE, TBA, and TAME) have not been <br /> detected at or above laboratory MRLs since fourth quarter 2008 in APSV and UPSV wells. <br /> Methane has historically been reported sporadically in both APSV and UPSV wells. <br /> 5 5ta ntec 4.3 <br />