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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> cal, Inc. <br /> Telephone Fax:925-798-1622 <br /> McCampbell Analyti <br /> ' Website:www.=campbell.com E-mail:main@mccampbell.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> ' W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder: 0504252 <br /> EPA Method: SW80216/8015Cm Extraction: SW50311B BatchlD:15899 Spiked Sample ID: 0504252.029A <br /> ' Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte T---- <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. °h Rec. %RPD MS/MSD i LCS/LCSD <br /> ' TPH(btex)a _ ND 0.60 96.5 107 10.4 98 95.4 2.65 70-130 70-130 <br /> MTBE ND 0.10 94.2 98.2 4.18 102 97.3 4.27 70-130 70-130 <br /> ' Benzene ND 0.10 98.6 104 5.35 98.8 99.2 0.429 70-130 70-130 <br /> Toluene ND 0.10 81.9 89.9 9.30 82.3 82.7 0.427 70-130 70-130 <br /> Ethylbenzene ND 0.10 104 111 7.16 103 104 1.20 70-130 1. 70-130 <br /> Xylenes ND 0.30 91 99.7 9.09 91 91.3 0.366 70-130 70-130 <br /> %SS: 109 0.10 1 107 90 16.9 95 97 1.56 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 /> BATCH 15899 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> __. __._-- --- 4/ -----AM <br /> 0504252-027A 4/14/05 2:30 PM 4/15/05 4/18/05 8:29 PM 0504252-029A 4/14/05 3:40 PM 4/15/05 4/16/05 4_25 AM <br /> 1 <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/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 inhomogenous AND <br /> 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 o hi h matrix or analyte content. <br /> DHS Certification No, 1144 QA/QC Officer <br />