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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 /> t44 I Website:www.mccampbell.com E-mail:main@mccampbell.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder: 0501154 <br /> EPA Method: SW8021B/8015Cm Extraction: SW5030B BatchlD:14648 Spiked Sample ID: 0501146-006A <br /> Sample Spiked MS* MSD* MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD LCS/LCSD <br /> TPH(btex)£ ND 0.60 95.7 95.2 0.515 97.4 98.6 1.21 70-130 70-130 <br /> ' MTBE ND 0.10 92.8 94.8 2.07 98.1 97.6 0.446 70-130 70-130 <br /> Benzene ND 0.10 103 101 1.97 106 106 0 70-130 70-130 <br /> ' Toluene -ND - 0.10 84.4 82.9 1.73 86.2 86.6 0.509 70-130 70-130 <br /> Ethylbenzene ND 0.10 103 103 0 104 107 2.62 70-130 70-130 <br /> Xylenes ND 0.30 90.7 90.7 0 91 95.3 4.65 70-130 70-130 <br /> I %SS: 100 0.10 90 104 14.8 104 107 2.84 70-130 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=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)/(Amount Spiked);RPD=100*(MS- MSD)/((MS+MSD)/' 2).*MS/MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons:a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked,or b)the spiked sample's matrix interferes with the 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 /> analyte content. <br /> I ' DHS Certification No. 1644 QA/QC Officer <br />