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ROY F WESTON, INC <br /> STOCKTON ANALYTICAL LABORATORY <br /> ANALYTICAL CASE NARRATIVE <br />' Client SAN JOAQUIN COUNTY <br /> RFW# 9111S318 <br /> Test SW8015 (MODIFIED) PURGABLE PETROLEUM HYDROCARBONS <br />' 1 These samples were collected on November 09 , 1991 <br />' 2 These samples were analyzed on November 20, 1991 in accordance <br /> with California Luft Method <br /> 3 All required holding times for these samples were met <br />' 4 The initial and continuing verification calibration standards <br /> associated with this set of samples were within Q C limits <br /> 5 The method blank analyzed were within Q.0 limits <br /> 5 No surrogates were required for this test <br />' 7 The blank spike recoveries were within QC limits and was <br /> analyzed with out surrogate <br /> 1 <br /> 1 <br /> 1 <br /> ail R Adams Date <br /> UNIT LEADER <br />