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1 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> ' Website:www.mocampbellxom E-mail:min@=cmVbell.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder. 0504252 <br /> ' EPA Method: SW8015Cm Extraction: SW503013 BatchlD:15872 Spiked Sample ID: 0504220.013A <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD aha Rec. %Rec. %RPD MS/MSD LCS/LCSD <br /> TPH(btex)£ ND 0.60 97.1 95.5 1.65 96.4 101 4.68 70-130 70-130 <br /> MTBE ND 0.10 95 104 8.88 99.2 107 7.92 70-130 70-130 <br /> ' Benzene ND 0.10 101 109 7.81 105 111 5.63 70-130 70-1309 <br /> Toluene ND 0.10 81.2 86.4 6.21 83.5 88.3 5.62 70-130 70-130 <br /> ' Ethylbenzene ND 0.10 102 109 7.04 104 108 3.89 70-130 70-130 <br /> Xylenes ND 0.30 90.3 95.7 5.73 91 95.7 5.00 70-130 70-130 <br /> %SS 83 0.10 109 I10 0.913 105 115 9.09 70-130 70-130 <br /> F.A11target compounds in the Method Blank of this extraction batch were ND Tess than the method RL with the following exceptions: <br /> NE <br /> BATCH 15872 SUMMARY <br /> ' Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0504252-00(A 4/14/05 10:30 AM 4/15/05 4/16/05 4:54 AM 0504252-001A 4/14/05 11:00 AM 4/15/05 4/16/05 5:24 AM <br /> 0504252-009A 4/14/05 9:18 AM 4/15/05 4/16/05 1:27 AM 0504252-014A 4/14/05 12:50 PM 4/15/05 4/16/05 1:57 AM <br /> ' 0504252-0ISA 4/14/05 11:50 AM 4/15/05 4/16/05 5:53 AM <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 to 1kh matrix or analyte content. <br /> DHS Certification No, 1644 QA/QC Officer <br />