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110 2nd Avenue Soudi #D7 Pacheco CA 94553 5500 <br /> 14 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798-1622 <br /> I hup 11www mccampbeil corn E snail main r@r mccampbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0312545 <br /> EPA Method SW8021 BI8015Cm Extraction SW5030B BatchlD 9877 Spiked Sample ID 0312545-002A <br /> Sampie Spiked MS* MSD* MS-MSD LCS j LCSD ILLS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec % Rec % RPD %Rec % Rec i % RPD Low Nigh <br /> TPH(btex)e ND 60 94 6 892 591 944 921 243 70 130 <br /> MTBE ND 10 902 112 219 935 102 I 843 70 130 <br /> Benzene ND to 107 106 0 322 108 116 7 03 70 130 <br /> Toluene ND 10 111 109 200 111 118 597 70 130 <br /> Ethylbenzene ND 10 113 109 3 00 112 116 3 81 70 ! 130 <br /> Xylenes ND 30 113 110 299 113 117 290 70 130 <br /> %SS 110 100 110 108 166 112 118 5 74 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 /> I <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)I((MS+MSD)12) <br /> I "MS and!or MSD spike recoveries may not be near 100°/n or the RPD.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 STEX areas from the FID <br /> I #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 matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />