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1 <br /> 1 Mr. Mike Infurna <br /> San Joaquin County Environmental Health Department <br /> 16 March 2011 <br /> 1 Page 3 <br /> 1 Sampling Results <br /> 1 The analytical results for the soil gas, groundwater, and soil samples collected during this <br /> investigation are summarized in Tables 1, 2, and 3, respectively. The laboratory analytical <br /> reports are included in Attachment 2. <br /> 1 Data Quality Review <br /> 1 Geosyntec performed a quality assurance/quality control (QA/QC) review of the data received <br /> from the laboratories. The data quality review included review of quality control samples <br /> collected in the field (trip blank and equipment blanks) along with laboratory quality control <br /> 1 results. All samples were handled, prepared, and measured in the same manner under similar <br /> prescribed conditions for each matrix. <br /> 1 The areas of review are listed below. A leading check mark (✓) indicates an area of review in <br /> which all data were acceptable. <br /> 1 ✓ Overall Assessment <br /> ✓ Holding Times and Sample Preservation <br /> 1 ✓ Method Blanks <br /> ✓ Matrix Spike/Matrix Spike Duplicate <br /> 1 ✓ Laboratory Control Spike <br /> 1 ✓ Surrogates <br /> ✓ Trip Blank <br /> 1 ✓ Equipment Blanks <br /> 1 ✓ Field Duplicates <br /> 1 <br /> InvestigationResults_San Joaquin County-3.16.11 <br /> 1 engineers I scientists I innovators <br /> 1 <br />