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xaxA..ExS C[9�F1"-0xlxl 4i5 ; _ <br />' ROY F WESTON, INC <br /> STOCKTON ANALYTICAL LABORATORY <br /> ANALYTICAL CASE NARRATIVE <br /> 1 Client SAN JOAQUIN CO MOSQUITO <br /> RFW# 9407S618 <br /> t <br />' Test Purgeable Petroleum Hydrocarbons <br /> 1 This narrative coverti the analysis of one (1) water and two (2) soil samples in <br /> accordance with protocols based on the California LUFT Manual <br /> All required holding times for this analysis were met <br /> 3 All initial and continuing calibration standards associated with this data set were <br /> within acceptance criteria <br />' 4 The method blanks associated with this data set did not contain any target <br /> compounds at or above the reporting limits <br />' S Surrogate recoveries were within acceptance criteria <br />' G Blank spike recoveries were within acceptance criteria <br /> 7 Matrix Spikes were not performed on any of the samples in this data set <br />' 8 Confirmation by second column analysis was not required <br /> 3- '9L/ <br /> K thy N Schultz/Unit Leader Date <br />