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Quality Control Results <br /> Job Number: 720-2949-1 <br /> San Joaquin Company IncL__,_Iiient� <br /> Laboratory Control/ Method: 82608 <br /> Laboratory Control Duplicate Recovery Report-Batch: 720-7380 Preparation: 50308 <br /> s Analysis Batch: 720-7380 Instrument iD: Saturn 2100 <br /> LCS Lab Sample ID:LCS 720-738014 <br /> Client Matrix: Water Prep Batch: NIA .Lab File ID: c:lsaturnwsldata12006041D <br /> LDilution: 1.0 Units: ug/L Initial Weight/Volume: 10 mL <br /> Date Analyzed: 04/05/2006 1016 Final Weight/Volume: 10 mL <br /> Date Prepared: 04/05/2006 1016 <br /> LCSD Lab Sample ID.LCSD 720-7380/3 Analysis Batch: 720-7380 Instrument ID: Saturn 2100 <br /> t Client Matrix: Water Prep Batch: NIA Lab File ID: c:Isaturnwslda1a1200604104C <br /> Dilution: 1:0 Units:uglL Initial WeighWolume: 10 mL <br /> t Date Analyzed: 04/05/2006 1042 Final Weight/Volume: 10 mL <br /> ' Date Prepared: 04/05/2006 1042 <br /> 1 L <br /> % Rec. <br /> Analyte LCS LCSD Limit RPD RPD Limit LCS Qual LCSD Qual <br /> Benzene � � 101 101 69-129 � 0 �25 <br /> MTBE 98 105 65-165 7 25 <br /> U'Toluene 106 109 70-130 3 25 <br /> LCS% Rec LCSD% Rec Acceptance Limits <br /> Surrogate ------------___-- - _._.-- - _._._� _�_.v.__._�_.�.._.. <br /> Toluene-d8 103 99 77- 121 <br /> 1,2-Dichloroethane-d4 91 99 73- 130 <br /> Ur <br /> 4 <br /> r <br /> I 1 <br /> Calculations are performed before rounding to avoid round-off errors in calculated results. <br /> I Page 40 of.54: <br /> STL San Francisco g <br /> I <br />