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110 2nd Avenue Soutb,907,Pacheco,CA 94553-5560 <br /> MCC`dmpbell Analytical, Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> Website:www.mccampbell.com E-mail:main@mccampbellcom <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix:S WorkOrder: 0404100 <br /> EPA Method: SW8021 B/8015Cm Extraction: SW5030B BatchlD.11053 Spiked Sample ID: 0404099-004A <br /> Sample Spiked MS" MSD" MS-MSD LC <br /> j LCSD (LCS-LCSD Acceptance Criteria(%) <br /> m9/K9 mg/Kg °/°Rec. Rec. 1 %RPD %Rec. %Rec. %RPD low <br /> High <br /> °/° <br /> TPH(btex)£ ND 0.60 lot 102 0.899 99.6 100 0.527 70 130 <br /> -_-- ----- __ -- -- -- --..------ --__ ---------+-------- ------------------ <br /> MTBE ND 0.10 94.1 94.9 0.823 98.6 104 i 4.97 70 130 <br /> Benzene ND -0.10 105 108 2.08 102 110 i 7.61 70 130 <br /> Toluene ND 0.10 89.9 93.2 3.67 88.2 94.5 6.97 70 130 <br /> Ethylbenzene ND 0.10 110 112 1.94 107 112 4.93 70 130 <br /> Xylenes ND 0.30 100 100 0 95.7 100 4.43 70 130 <br /> %SS: 95.8 0.10 93.4 99.5 6.32 83.8 87.1 3.86 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 t MSO)/2). <br /> *MS and/or MSO spike recoveries may not be near 100%or the RPDs near 0%it 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 8TEX areas from the FID. <br /> #Guttered 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 /> DHS Certification No. 1644 QA/QC Officer <br />