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' ROY F WESTON INC. <br /> STOCKTON ANALYTICAL LABORATORY <br /> ANALYTICAL CASE NARRATIVE <br /> Client. SAN JOANQUIN MOSQUITO <br />' RFW# 4407S640 <br />' Test. Aromatic Volatile Organics <br />' 1. This narrative covers the analysis of one (1) water sample in accordance with <br /> protocols based on SW-846, method 8020. <br />' 2 All required holding tunes for this analysis were 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. All initial and <br /> continuing standard calibrations associated with this data set were within acceptance <br /> criteria. <br />' 4 The method blank associated with this data set did not contain any target compounds <br /> at, or above, the reporting limits <br />' 5 Surrogate recoveries were within acceptance cntena. <br />' 6 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 All compounds reported positive were confirmed by second column analysis <br />' Waiter McCurdy/Unit Lefider Date <br />