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1 <br /> w.cena aFaonaiaswauwn <br /> ROY F WESTON, INC <br /> STOCKTON ANALYTICAL LABORATORY <br /> tANALYTICAL CASE NARRATIVE <br /> Client SAN JOAQUIN COUNTY HSA <br /> RFW# 93105055 <br />' Test- Aromatic Volatile Organics <br /> 1 This narrative covers the analysis of five (5) water samples in accordance with <br />' protocols based on SW-846, method 8020. <br />' 2. The holding time for this analysis was met <br /> 3 Calibration criteria is required to be met on at least one column for each target <br /> compound, and on both columns for any compound reported positive Continuing <br /> calibration criteria was met for this analysis. <br />' 4 The method blank associated with these samples did not contain any target <br /> compounds at or above the reporting limits. <br />' 5 Surrogate recoveries were within advisory limits <br /> 6 Blank spike recoveries were within advisory limits <br />' 7 Matrix spikes were not performed on any of the samples covered by this report. <br />' 8 Confirmation by second column analysis was not required because no target <br /> compounds were detected in the samples <br /> 1 <br /> Z5t7 <br />' Dennis D Je er Unit Leader Date <br /> 1 <br /> I <br />