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110 2nd Avenue South,tlD7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925 798-1620 Fax 925-798 1622 <br /> Website www mccampbell corn E-marl main®mccampbell corn <br />' QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Sod QC Matrix Sod WorkOrder 0507366 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 17259 Spiked Sample ID 0507355-011A <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria (%) <br /> Analyte <br /> mg/kg mg/kg %Rec % Rec % RPD %Rec % Rec % RPD MS I MSD LCS I LCSD <br /> tett-Amyl methyl ether(TAME) ND 0 050 113 108 411 116 114 140 70- 130 70- 130 <br /> t-Butyl alcohol(TBA) ND 025 97 93 422 991 971 207 70- 130 70- 130 <br /> 1,2-Dibromoethane(EDB) ND 0 050 106 106 0 106 105 0 911 70- 130 70- 130 <br /> 1,2-Dichloroethane(1,2-DCA) ND 0 050 118 119 0 522 117 120 226 70- 130 _ 70- 130 <br /> Dusopropyl ether(DIFF) ND 0 050 118 119 0 860 120 118 1 56 70- 130 70- 130 <br />' Ethanol ND 25 104 984 524 993 106 616 70- 130 70- 130 <br /> Ethyl Cert-butyl ether(ETBE) ND 0 050 119 116 279 120 119 0 596 70-130 70- 130 <br /> Methanol ND 12 5 102 102 0 991 100 136 70-130 70- 130 <br />' Methyl-t-butyl ether(MTBE) ND 0 050 118 113 503 120 120 0 70-130 70- 130 <br /> %SSI 103 0 050 102 101 1 09 105 104 1 43 70-130 I 70- 130 <br /> Ail target compounds in the Method Blank of this extraction batch were ND less than the method R1.with the following exceptions <br /> NONE <br /> lie <br /> BATCH 17259 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample 1D Date Sampled Date Extracted Date Analyzed <br />' 0507366-OOIA 7120/05 7/22/05 7/23105 7 06 AM I 0507366-002A 7/20/05 7122/05 7/23/05 7 48 AM <br /> 0507366-003A 7/20/05 7/22/05 7/23/05 8 31 AM <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 Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100`(MS- MSD)I((MS+MSD)/2) <br />' MS/MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance cntena 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 /> NIA=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 analyte content <br /> Amikaboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No I644 QA/QC Officer <br />