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' 1102nd Avenue South,i1D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telepbnne 925-798-1620 Fax 925-798 1622 <br />' Website wA w mccainpbell corn E-mail mamQrnccampbell com <br /> 1� QC SUMMARY REPORT FOR SW8021B18015Cm <br /> W Q Sample Matrix Air QC Matrix Water WorkOrder 0410420 <br />' BPA Method SW8021B18015Cm Extraction SW5030B BatchlD 13741 Spiked Sample ID 0410425-001A <br /> Sample Spiked MS* MSD` MS-MSD' LCS LCSD LCS-LCSD Acceptance Critena(%) <br /> Analyte <br />' lig/L pglL %Rec %Rec %RPD %Rec % Rec % RPD Low High <br /> TPH(btex)£ ND 60 974 954 212 81 1 804 0 937 70 130 <br /> MTBE ND 10 86 1 894 3 83 107 106 0 617 70 130 <br />' Benzene ND 10 105 112 603 995 100 0 979 70 130 <br /> Toluene ND 10 100 107 674 918 93 3 169 70 130 <br />' Ethylbenzene ND 10 103 107 3 91 96 1 97 0 946 70 130 <br /> Xylenes ND 30 91 953 4 65 85 3 86 0 778 70 130 <br /> %SS 99 010 112 115 2 81 107 105 1 49 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 /> 1 <br /> 1 <br />' MS=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- MS13)1((MS+MSD)12) <br />' •MS/MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance cntena due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the 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 perforin 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 />' anal a content <br /> DHS Certification No 1644 _ A/QC Officer <br />