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I 10 2nd Avenue South 9D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc lelephene 925-798 1620 Fax 925-798-1622 <br /> http!/www mccampbekl coin E marl mam(u3mccaiuphell coon <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0312187 <br /> EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 9618 Spiked Sample ID 0312186-002A <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pglL pg/L. %Rec % Rec %RPD %Rec %Rec %RPD Low High <br /> rPH(btex)£ ND 60 907 933 28691 <br /> 928 204 70 130 <br /> MTBE ND 10 102 101 0 616 104 426 70 130 <br /> Benzene ND 10 103 103 0 102 191 70 1 130 <br /> Toluene ND 10 106 105 1 09 102 104 270 70 ^ 130 <br /> Ethylbenzene ND 10 106 105 0 277 102 104 2 14 70 130 <br /> Xylenes ND 30 107 107 0 100 107 645 70 130 <br /> %SS 116 100 113 111 153 Ill 109 1126 70 130 <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 Percent <br /> Deviation <br /> %Recovery=100*(MS Sample)!(Amount Spiked) RPD=100*(MS- MSD)1((MS+MSD)/2) <br /> *MS and 1 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 matrix interferes with spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not enough sample to perform matrix 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 />