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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 l/www mccLrmbell com E n»l niaT@rncc4pnpMI com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0305446 <br />' ERA Method SW8021B/8015Cm Extraction SW5030B Batch ID 7096 Spiked Sample ID 0305463-002A <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Cntena{%) <br /> Compound <br /> pg/L pg1L %Ree %RBC %RPD %Rec % Rec %RPD Low High <br /> TPH(btex)a ND 60 112 1 1 1 1 00 108 H3 394 70 130 <br /> MTBE ND 10 104 107 265 103 113 890 70 130 <br /> Benzene ND 10 103 106 3 12 101 109 773 70 130 <br /> Toluene ND 10 99 1 103 363 97 8 103 509 70 130 <br /> IEthylbenzene ND 10 106 €07 137 103 108 4 82 70 130 <br /> Xylenes ND 30 107 107 0 100 107 645 70 130 <br /> %SS 101 100 102 102 0 102 106 3 99 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 /> €VIS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100*(MS-Sample)I(Amount Spiked) RPD=100*(MS—MSD)/(MS+MSD)*2 <br /> *MS and I 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 8TEX 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 mritent <br />