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110 2nd Avenue South,f€D7 Pacheco,CA 94553-5560 <br /> McCacnpbell Analytical Inc ralephone 925-798 1620 Fax 925-798-1622 <br /> ' http llwww mecampbelt com E-mail mmn c(�r nccaznp6ell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0305148 <br /> EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 6849 Spiked Sample ID 0305139-00IA <br /> Compound Sample Spiked MS' MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPl1(btex)£ ND 60 128 116 989 111 112 00929 70 130 <br /> MTBE ND 10 114 118 376 111 963 140 70 130 <br /> ' Benzene 09323 10 110 108 1 89 f02 102 0 70 130 <br /> Toluene 2 772 10 102 101 151 993 988 0 525 70 I 130 <br /> Ethylbenzene 1 289 10 108 106 206 106 lOb 0 70 ! 130 <br /> Xylenes 4 30 107 100 5 71 103 107 3 17 70 130 <br /> ' %SS 101 100 104 104 0 102 101 145 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method R1.with the following exceptions <br /> NOME <br /> Ile <br /> i <br /> 1 <br /> 1 <br /> 1 <br /> t 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)1(Amount Spiked) RPD=100'(MS—MSD)1(MS+MSD)•2 <br /> ' 'MS and 1 or MSD spike recoveries may not be near 100%or the BPDs near O%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 coelutes with surrogate peak <br /> N/A=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 /> I <br />