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1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798-1622 <br /> http//www mccampbell corn E-mail main r@r mccampbell cam <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0312189 <br /> EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 9621 Spiked Sample ID 0312187-012A <br /> Sample Spiked IVES* MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Ng/L Pg/L %Rec %Rec % RPD %Rec %Rec %RPD Low High <br /> TPH(btex)t ND 60 948 89 635 934 996 634 70 130 <br /> MTBE ND 10 967 966 0 136 102 861 173 70 130 <br /> Benzene ND 10 997 102 214 924 102 103 70 130 <br /> Toluene ND 10 104 104 0 83 7 95 1 127 70 130 <br /> Ethylbenzene ND 10 107 107 0 90 1 105 154 70 130 <br /> Xylenes ND 30 107 Ito 308 83 93 114 70 130 <br /> %SS 116 100 106 110 303 994 112 119 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=Matnx Spike,NASD=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- MS0)1((MS+MSD)12) <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 main interferes with spike recovery <br /> £TPH(btex)=sum of BTI X areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> N/A=not enough sample to perform matrix spike and matnx spike duplicate <br /> 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 />