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I1'10 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> L4 Website:www.mccarrq)bell.com E-mail:mainCrnccarnpbell.com <br /> . QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I <br /> Matrix: W WorkOrder: 0406351 <br /> PPA Method: SW8021 BI8015Cm Extraction: SW5030B BatchlD: 12057 Spiked Sample ID: 0406345-010A <br /> Sample Spiked MS` MSD` MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> }1g/L pg1L %Rec. %Rec. % RPD %Rec. % Rec. % RPD Low High <br /> TPH(btex)£ ND 60 96.8 98.9 2.15 99.4 99 0.443 70 130 <br /> MTBE ND 10 104 104 0 93.5 96.9 3.63 70 130 <br /> 1 Benzene ND 10 112 107 4.36 306 108 1.34 70 130 <br /> Toluene ND 10 105 103 1.67 100 102 1.17 70 130 <br /> Ethylbenzene ND 10 10$ 107 0.751 107 108 0.890 70 130 <br /> Xylenes ND 30 95.3 95 0.350 95.3 95.3 0 70 130 <br /> %SS: 103 10 ill106 5.16 107 108 0.516 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 /> li <br /> 1 <br /> 1 <br /> 1 <br /> 1 MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br /> Deviation. <br /> %Recovery=too•(MS-Sample)!(Amount Spiked);RPD=100'(MS- MSD)I((MS+MSD)12). <br /> 1 '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 /> 1 #cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> WA=not applicable or 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 /> anal a content. <br /> 1 DHS Certification No. 1644 QA/QC Officer <br /> 1 <br />