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I <br /> �Olnd Avenue South kD7,Pacheco,CA 94553-5560 <br /> McCampbe�l Analical Inc hone 925-798-1620 Fax 925-798 1622 <br /> hmccampbell corn E rna�1 ma rriccaawbcll corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0305254 <br /> IEPA Method SW82608 Extraction SW5030B BatchlD 6938 Spiked Sample ID 0305262-007C <br /> Compound Sample Spiked MS' MSD" MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pig/L pg/L %Rec % Rec % RPD %Rec %Rec %RPD Low High <br /> Benzene ND 10 113 113 0 111 110 0 946 70 130 <br /> IMethyl-t-butyl ether(MTBE) ND 10 111 109 2 15 107 99 742 70 130 <br /> Toluene ND t0 122 120 1 72 119 124 394 70 130 <br /> %SSI 106 100 104 104 0 962 957 0 523 80 130 <br /> %SS2 95 8 100 95 2 95 8 0 558 94 4 93 5 105 80 130 <br /> %SS3 97 4 100 978 98 0 255 89 7 90 3 0 696 80 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method AL with the following exceptions <br /> NONH <br /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPO=Relative Percent <br /> 1 Deviation <br /> %Recovery=104'(MS-Sample)/(Amount Spiked) RPD=100'(MS—MSD)/(MS+MSD)•2 <br /> MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matnx interferes with spike recovery <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> I NR=analyte concentration in sample exceeds spike amount for sod matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> Laborato extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br />