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' 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> http/#www mccampbell com E mail mam a mecampbell corn <br /> QC SUMMARY REPORT FOR SW8021B <br /> 1 <br /> Matrix W WorkOrder 0302315 <br />' EPA Method SW8021B Extraction SW5030B BatchlD 5987 Spiked Sample ID 0302315-001C <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> pg/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Chlorobenzene ND 10 871 868 0 302 903 891 127 70 130 <br /> 1,1-Dichloroethene ND 10 104 105 143 116 114 141 70 130 <br /> Trichloroethene ND 10 807 $17 1 18 $7 7 84 8 142 70 130 <br /> %SS 948 100 891 89 0 127 1 892 876 177 80 120 <br />' All target compounds in the Method Blank of this extraction batch were ND less than the method Rl,with the following exceptions <br /> NONE <br /> i <br /> r <br /> i <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matnx spike and matrix spike duplicate <br /> . NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> ' %Recovery=100*(MS-Sample)l(Amount Spiked) RPD=100*(MS—MSD)I(MS+MSD)*2 <br /> "MS and l 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)d that specific sample matrix interferes with spike recovery <br />