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110 2nd Avcnue South tOD7 Pacheco CA 94553-5566 <br /> Inc.McCampbell Analytical, ITelephone 925 798-1620 Fax 925 798 1622 <br /> Website www mccarripbell cpm E mail main©mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0509017 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 17820 Spiked Sample ID 0509024-002C <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pgIL pg/L %Rec % Rec %RPD %Rec % Rec % RPD MS I MSD LCS I LCSD <br /> ten-Amyl methyl ether(TAME) ND 10 93 5 93 3 0 194 923 91 5 0 865 70-130 70- 130 <br /> t-Butyl alcohol(TBA) ND 50 104 I 996 3 89 981 91 2 736 70- 1-30 70- 130 <br /> 1,2-Dibromoethane(EDB) ND 10 966 994 2 80 966 942 2 53 70- 130 70- 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 110 111 0 921 115 110 433 70- 130 70- 130 <br /> Dusopropyl ether(DIPS) ND 10 117 117 0 118 118 0 70-130 70- 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 964 98 5 208 984 97 3 1 16 70-130 70- 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 973 975 0 266 100 954 472 70- 130 70- 130 <br /> %SS 1 100 10 103 101 207 104 102 1 61 70- 130 I 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 17820 SUMMARY <br /> tmple ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0509017-001C 8131/05 8 45 AM 9/02/05 9/02105 6 12 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)I(Amount Spiked) RPD=100'(MS- MSD)/((MS+MSD)12) <br /> MS I 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 8 matrix interferes with the spike recovery <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte content <br /> Mkoratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certtftcatton No 1644 5i _QA/QC Officer <br />