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ROY F. WESTON, INC. <br />STOCKTON ANALYTICAL LABORATORY <br />ANALYTICAL CASE NARRATIVE <br />Client: AREG/MAJOR MART <br />RFW #- 9312S712 <br />Test- Purgeable Petroleum Hydrocarbons <br />1 This narrative covers the analysis of eight (8) water samples in accordance with <br />protocols based on the Cahfonua LUFT Manual. <br />2. All required holding times for this analysis were met. <br />3. All initial and continuing standard calibrations associated with this data set were <br />within acceptance 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 criteria. <br />6. The blank spike recovery was within acceptance criteria. <br />7 Matrix spike recoveries were within acceptance criteria The RPD for the spikes was <br />within acceptance cntena. <br />8 Confirmation by second column analysis was not required. <br />Dennis D. Jenner/Unit Leader Date' ' <br />