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�" 1534 Willow Pass Road,Pitts g,CA 94565-1701 <br /> M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Oun/ity Counts" http://www.mccampbell.rom/E-mail:main@mccampbell.com <br /> QC SUMMARY REPORT FOR T015 <br /> W.O. Sample Matrix: Indoor Air QC Matrix: Soilgas BatchlD:65743 WorkOrder: 1203413 <br /> EPA Method: T015 Extraction: T015 Spiked Sample ID: N/A <br /> Analyte <br /> Sample Spiked MS MSD MS-MSD LCS Acceptance Criteria(%) <br /> - <br /> nUL nUL %Rec. %Rec. %RPD %Rec. MS/MSD RPD LCS <br /> Ethylbenzene N/A 25 N/A N/A N/A 85.7 N/A N/A 70-130 <br /> Freon 113 N/A 25 N/A N/A N/A 83.9 N/A N/A 70-130 <br /> Hexachlorobutadiene N/A 25 N/A N/A N/A 99 N/A N/A 70-130 <br /> 4-Methyl-2-pentanone(MlBK) N/A 25 N/A N/A N/A 79.4 N/A N/A 70-130 <br /> Methyl-t-butyl ether(MTBE) N/A 25 N/A N/A N/A 85.6 N/A N/A 70-130 <br /> Methylene chloride N/A 25 N/A N/A N/A 85.4 N/A N/A 70-130 <br /> Naphthalene N/A 25 N/A N/A N/A 116 N/A N/A 70-130 <br /> Styrene N/A 25 N/A N/A N/A 99.1 N/A N/A 70-130 <br /> 1,1,1,2-Tetrachloroethane N/A 25 N/A N/A N/A 97.1 N/A N/A 70-130 <br /> 1,1,2,2-Tetrachloroethane N/A 25 N/A N/A N/A 80.3 N/A N/A 70-130 <br /> Tetrachloroethene N/A 25 N/A N/A N/A 93.6 N/A N/A 70-130 <br /> Tetrahydrofuran N/A 25 N/A N/A N/A 74.9 N/A N/A 70-130 <br /> Toluene N/A 25 N/A N/A N/A 86.5 N/A N/A 70-130 <br /> 1,2,4-Trichlorobenzene N/A 25 N/A N/A N/A 129 N/A N/A 70-130 <br /> 1,1,1-Trichloroethane N/A 25 N/A N/A N/A 94.7 N/A N/A 70-130 <br /> 1,1,2-Trichloroethane N/A 25 N/A N/A N/A 87.6 N/A N/A 70-130 <br /> Trichloroethene N/A 25 N/A N/A N/A 90.5 N/A N/A 70-130 <br /> 1,2,4-Trimethylbenzene N/A 25 N/A N/A N/A 128 N/A N/A 70-130 <br /> 1,3,5-Trimethylbenzene N/A 25 N/A N/A N/A 125 N/A N/A 70-130 <br /> Vinyl Chloride N/A 25 N/A N/A N/A 82.6 N/A N/A 70-130 <br /> %SSI: N/A 500 N/A N/A N/A 103 N/A N/A 70-130 <br /> %SS2: N/A 500 N/A N/A N/A 104 N/A N/A 70-130 <br /> %SS3: N/A 500 N/A N/A N/A 126 N/A N/A 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 Deviation. <br /> %Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100'(MS- MSD)/((MS+MSD)/2). <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 analyte relative to the <br /> amount spiked,or b)if that specific sample matrix interferes with spike recovery. <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 analyte content. <br /> Laboratory extraction solvents such as meth tene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS ELAP Certification 1644 O)k QA/QC Officer <br /> Page 9 of 10 <br />