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Client Acct: 691 Date: 10-17-90 <br /> Client Name: Env. Science & Engineering Page: 4 <br /> NET Log No: 4171 <br /> NET Pacific Inc Ref: Delta Truck, Project: 02-531-003 <br /> QUALITY CONTROL DATA <br /> Cal Verf Duplicate <br /> Reporting Stand % Blank Spike % Spike % <br /> Pararmter Limi is Units Recovery Data Recovery Recovery RPD <br /> Diesel 0.05 itg/L 103 i1l0 75 $2 8.9 <br /> Mbtor Oil 0.5 mg/L 105 ND NIA NIA NIA <br /> QUALITY CONTROL DATA <br /> Cal Verf Duplicate <br /> Reporting Stand % Blank Spike % Spike % <br /> Paramter Limits Um is Reoovery Data Recovery Recovery RPD <br /> Qasol1ne o.05 mg/L 104 ND 93 112 18.5 <br /> Benzene Ors ug/L 88 ND 89 106 t 17 <br /> Toluene 0.5 ug/L 92 ND 95 105 10 <br /> GMENf: Blank Results were ND on other analytes tested. <br /> QUALITY CONTROL DATA <br /> Cal Verf Duplicate <br /> Reporting Stand % Blank Spike % Spike % <br /> Parareter Limits Units Recovery Data Recovery Recovery RPD <br /> Lead 0.2 mg/Kg 94 ND 108 120 6.3 <br />