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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 /> htip/Iwww mecampbell com E-mail mam cairnbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0311253 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 9381 Spiked Sample 1D 0311259-007A <br /> Sample Spiked MS' MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria <br /> pg/L ]1g/L %Ree % ReC % RPD % Ree %Rec %RPD LOW High <br /> TPH(btcx)£ ND 60 996 140 0 681 98 1 988 0 642 70 130 <br /> MTBE ND 10 102 102 0 101 102 0 486 70 130 <br /> Benzene ND 10 101 100 0 935 101 101 0 70 130 <br /> Toluene ND 10 104 102 176 103 104 101 70 130 <br /> Ethylbenzene ND 10 105 104 1 07 104 105 0 543 70 130 <br /> Xylenes ND 30 110 107 308 107 107 0 70 130 <br />' %SS 110 1011 1 101 102 0 605 103 103 0 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 /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relahve Parcent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100'(MS- MSD)/((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 /> 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 /> #cluttered chromatogram sample peak ooetutes with surrogate peak <br />' <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 matnx or sample diluted due to high matnx or <br /> anal a content <br /> 1 <br />