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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 /> — Website:www.mccampbell.com E-mail:mainCmccampbell.coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix: S WorkOrder:_0405448 <br /> EPA Method: SW8021B/8015Cm Extraction: SW5030B Batch ID:11731 Spiked Sample ID: 0405448-001A <br /> Sample Spiked MS' MSD' MS-MSD LCS LCSD 'LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPH(btex)e ND 0.60 105 102 2.87 104 103 1 0.934 70 130 <br /> MTBE ND 0.10 112 96.5 14.7 107 101 i 5.42 70 130 <br /> Benzene ND 0.10 106 l08 2.57 112 .105 1 6.37 70 130 <br /> Toluene _ - -- - -'ND 0.10 90.4- 91.4 1.05 94.2 88.7 i 5.94 70 130 <br /> i <br /> Ethylbenzene ND 0.10 108 110 2.64 113 107 5.36 70 130 <br /> Xylenes - -- - --ND --..30- -96_.3 - 100 i 3.74 100 - -96.3. 3.74 - 70- 130 <br /> %SS: 86.6 0.10 89.4 . I^ .83.1 7.30 95.2. 93.3 I 2.02 1 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 /> I <br /> I <br /> I <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br /> Deviation. <br /> %Recovery=700'(MS-Sample)/(Amount Spiked);RPD=100'(MS- MSD)/((MS+MSD)/2). <br /> 'MS and/or MSD spike recoveries may not be near <br /> 100%or the RPDs near 0%if: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 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 /> li 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 /> QA/QC Officer <br /> DHS Certification No. 1644 <br />