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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 mmil main Ca campbell corn <br /> . QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0409135 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 13043 Spiked Sample 1) 0409112-014A <br /> Sample Spiked MS' MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pgIL pgIL %Rec %Rec %RPD % Rec % Roc %RPD Low High <br /> '1 PH(btex)£ ND 60 963 100 414 98 101 323 70 130 <br /> MTBE ND 10 943 100 604 105 104 0 505 70 130 <br /> Benzene ND 10 103 107 389 101 103 160 70 130 <br /> Toluene ND 10 977 102 470 977 988 1 17 70 130 <br /> Ethylbenzene ND 10 100 106 548 987 102 3 34 70 130 <br /> Xylenes ND 30 86 91 3 602 86 90 455 70 130 <br /> %SS 920 10 107 104 228 104 103 0 922 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.(NIS-Sample)/(Amount Spiked) RPD=400'(MS- MSD)1((MS+MSD)12) <br /> "MS 1 MSD spike recovenes and/or%RPD may fall outside of taboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spsked or b)the spiked sample s matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> 9 cluttered chromatogram sample peak coeiuies with surrogate peak <br /> NIA=not applicable or 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 Cemfication No 1644 Off/ QA/QC Officer <br />