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110 2nd Avenue South #D7,Pacheco CA 94553-556Q <br /> McCampbell Analytical Inc Telephone 925-795-1620 Fax 925-798-1622 <br /> http llwww mccamp6ell com E-mail maiu(�7jnccampbell com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> Matrix W WorkOrder 0302377 <br /> EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 6029 Spiked Sample ID 0302377-018A <br /> Sample Spiked MS" MSD" MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%} <br /> Compound <br /> pIg/L Ng/L %Rec %Rec %RPD %Rec % Rec % RPD Low high <br /> TPH(g-) ND 60 106 111 466 117 107 879 80 120 <br /> MTBE ND 10 836 806 368 912 892 228 80 120 <br /> Benzene ND 10 112 104 738 905 926 233 80 120 <br /> Toluene ND 10 109 101 795 955 869 1 68 80 I20 <br /> Ethylbenzene ND 10 117 110 6 10 922 944 2 43 8o 120 <br /> Xylenes ND 30 113 110 2 99 883 923 443 80 120 <br /> %S5 105 100 111 104 686 964 98 1 60 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Peroent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod 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)/(Amount Spiked),RPD=100'(MS—MSD)I(MS+MSD)`2 <br /> 'MS and I or MSD spike recoveries may not be near 100%or the BPDs near o%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recove <br />