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Stantec <br /> L & M OPERABLE UNIT-THIRD QUARTER 2010 SITE STATUS, REMEDIAL SUMMARY, <br /> AND GROUNDWATER MONITORING REPORT <br /> Table of Contents <br /> ' 2.6.2.3 Volatile Organic Compounds............................................................................2.17 <br /> 2.6.2.4 Semi-volatile Organic Compounds...................................................................2.17 <br /> ' 2.6.2.5 Dissolved Metals..............................................................................................2.17 <br /> 2.6.2.6 Quality Assurance/Quality Control Samples.....................................................2.18 <br /> 2.6.2.7 General Laboratory Notes................................................................................2.18 <br /> ' 2.7 THIRD QUARTER 2010 SEPARATE PHASE HYDROCARBONS AND HYDROCARBON <br /> CONCENTRATIONTRENDS .........................................................................................2.18 <br /> 2.7.1 Shallow Zone ...................................................................................................2.18 <br /> ' 2.7.1.1 Separate Phase Hydrocarbons.........................................................................2.18 <br /> 2.7.1.2 Fuel Oxygenates and Petroleum Hydrocarbon Concentrations ........................2.21 <br /> 2.7.2 Deep Zone .......................................................................................................2.22 <br /> 2.7.2.1 SPH.......................... 2.22 <br /> 2.7.2.2 Fuel Oxygenates and Hydrocarbon Concentrations .........................................2.23 <br /> 2.8 ARSENIC........................................................................................................................2.26 <br /> 2.9 PURGE WATER STORAGE AND DISPOSAL................................................................2.26 <br /> 2.10REQUESTED CHANGES TO MONITORING AND REPORTING PROGRAM................2.27 <br /> 3.0 STATUS OF REMEDIATION ACTIVITIES .......................................................................3.1 <br /> 3.1 DPE SYSTEM...................................................................................................................3.1 <br /> 3.2 APARTMENT SVE SYSTEM ............................................................................................3.2 <br /> ' 3.3 SVE SYSTEM...................................................................................................................3.2 <br /> 4.0 SOIL VAPOR SAMPLING................................................................................................4.1 <br /> ' 4.1 PREVIOUS SOIL VAPOR SAMPLING ACTIVITIES..........................................................4.1 <br /> 4.2 SOIL VAPOR SAMPLING THIRD QUARTER 2010..........................................................4.1 <br /> 4.2.1 Soil Vapor Sampling 4.1 <br /> ' 4.2.2 APSV Soil Vapor Concentrations .......................................................................4.2 <br /> 4.2.2.1 APSV Trends .....................................................................................................4.2 <br /> 4.2.3 UPSV Soil Vapor Concentrations .......................................................................4.2 <br /> 4.2.3.1 UPSV Trends.....................................................................................................4.2 <br /> ' 4.2.4 Quality Assurance/Quality Control-Samples and General Laboratory Notes.......4.3 <br /> 4.2.5 Conclusions and Recommendations ..................................................................4.3 <br /> 5.0 RECENT SUBMITTALS AND CORRESPONDENCE.......................................................5.1 <br /> 6.0 PLANNED ACTIVITIES FOR THE FOURTH QUARTER 2010.........................................6.1 <br /> ' 7.0 LIMITATIONS...................................................................................................................7.1 <br /> 1 <br /> 1 <br /> hndewa ATW Sto*m(Penal TA-0415)\ReportkQMR1201013010\3010OSSRORSRQMR Sto&Wn_FIK&.co �� <br />