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1102nd Avenue South 4D7 Pacheco CA 94553=con, <br /> F4 McCampbell Analytical 111C Telephone 925 798-1620 Fax 925-798 16 <br /> Imp Pwww mccampbell cam E mad main Crr mccam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0312544 <br /> EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 9877 Spiked Sample ID 0312545-002A <br /> Sample Spiked MS' MSD` MS-MSD LCS I LCSD !LCS-LCSD Acceptance Criteria(%) <br /> - - <br /> 1tgIL Ng/L %Rec %Rec %RPD %ReC I %Rec % RPD Low High <br /> TPH(btex)F ND 60 94 6 892 591 944 921 243 70 130 <br /> MTBE ND 10 902 112 219 935 102 843 70 130 <br /> Benzene - - ND 10 107 106 0 322 108 116 1 7 03 70 130 <br /> Toluene ND 10 111 109 200 ill 118 5 97 70 130 <br /> Ethylbenzene — Y ND -10 113 109 3 00 112 116 1 3 81 70 130 <br /> Xylenes ND 30 113 1]0 299 113 117 1 2 90 70 130 <br /> -- ------- — — I — - -- -- <br /> %SS 110 100 110 108 166 112 118 5 74 70 130 <br /> i <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 MSD=Matrix Spike Duplicate,LCS o Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPR=100'(MS- MSD)1((MS+MSD)12) <br /> "MS and/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 /> Ianalyte 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 /> #Guttered 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 sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />