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Client Acct: 691 Date: 10-02-90 <br /> Client Name: Env. Science & Engineering Page: 3 <br /> NET Log No: 3995 <br /> Ref. Delta Truck Sales, Stockton; Project: 02-531-0021003 <br /> EA <br /> QUALITY CONTROL DATA <br /> Cal Verf Duplicate <br /> Reporting Stand % Blank Spike % Spike % <br /> Parameter Limits Units Recovery Data Recovery Recovery RPD <br /> Gasoline 1 W/Kg 116 ND 112 109 2.7 <br /> Benzene 2.5 ug/Kg 92 ND 98 99 1.0 <br />, <br /> Toluene 2.5 ug/Kg 86 ND 98 98 < 1 <br /> COMUIENT: Blank Results were ND on other analytes tested. <br /> QUALITY CONTROL DATA <br /> Cal Verf Duplicate <br /> Reporting Stand % Blank Spike % Spike % <br /> ParaiTeter Lirm is Units Recovery Data Recovery Recovery RPD <br /> Diesel 1 mg/Kg 115 ND 62 59 5.0 <br /> Motor Oil 10 mg/Kg 77 ND N/A N/A N/A <br />