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110 2nd Avenue South #D7,Pacheco,CA 94553-5560 <br /> d a�i MCCampbeli Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http llwww mccampbell com E-mail mainQmccamphcll cam <br />' QC SUMMARY REPORT FOR SW8021B18015Cm <br /> I Matrix S WorkOrder 0307385 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 7927 Spiked Sample ID 0307382-006A <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Img/Kg mg/Kg % Rec. %Ree %RPD % ReC %ReC %RPD Low High <br /> TPH(btex)a ND 060 101 101 0 102 988 274 70 130 <br /> MTBE ND 0 10 924 92 8 0 483 100 995 0 839 70 130 <br /> Benzene AID 0 10 93 929 00729952 <br /> 94 122 70 130 <br /> Toluene ND 0 10 928 935 0 758 913 1 51 70 130 <br /> Ethylbenzene ND 0 10 968 968 0 I04 102 1 85 70 130 <br /> I Xylenes ND 030 993 997 0 335 107 103 317 70 130 <br /> %SS 98 1 100 97 8 983 0 522 969 98 104 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method R1,with the following exceptions <br /> NONE <br /> I <br /> i <br /> I 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)I(Amount Spiked),RPD=100'(MS—MSD)/(MS+MSD)*2 <br /> 'MS and/or MSD spike recoveries may not be near 100%or the RION near 0%it 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 BTEX 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 soll matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br />' lanalyta content <br />