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T 1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925 798 1620 Fax 925 798 1622 <br /> Website www mecampbell com E-mail marn@rmcarnpbell cam <br /> . QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Soil QC Matrix Soil WorkOrder 0508294 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 17598 Spiked Sample ID 0508276-001A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria (%) <br /> mg/kg mg/kg % Rec %Rec %RPD %Rec %Rec % RPD MS/MSD LCS I LCSD <br /> tett-Amyl methyl ether(TAME) ND 0 050 104 104 0 104 102 166 70- 130 70- 130 <br /> t-Butyl alcohol(TSA) ND 025 921 894 299 966 986 203 70- 130 70- 130 <br /> 1,2-Dibromoethane(EDB) ND 0 050 975 1 984 0 927 99 94 5 21 70- 130 70- 130 <br /> 1 2-13itchlomethane(1,2-DCA) ND 0 050 113 j 112 1 02 110 107 252 70- 130 70- 130 <br /> Dnsopropyl ether(DIPE) ND 0 050 119 118 0 668 118 118 0 70- 130 70- 130 <br /> Ethyl tert-butyl ether(ETBE) ND 0 050 107 107 0 107 105 l 37 70- 130 70- 130 <br /> Methyl-t-butyl ether(MTBE) ND 0 050 105 106 1 11 106 102 4 17 70- 130 70- 130 <br /> %SS 1 97 0 050 113 111 1 60 108 104 368 70-130 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 /> BA'T'CH 17598 SUMMARY <br /> mple ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 08294-003A 8/16105 10 25 AM 8/17/05 8118105 4 27 PM 0508294-004A 8/16105 10 40 AM 8/17/05 8/18/051 08 PM <br /> 0508294-005A 8/16105 12 50 PM 8117105 8/18105 1 51 PM 0508294-006A 8/16105 2 15 PM 8/17/05 8118105 2 33 PM <br /> 0508294-007A 8116/05 3 I0 PM 8/17105 8118105 5 09 PM <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)12) <br /> MS 1 MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is rnhomogenous 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 matnx or analyte content <br /> .1i6aboratoa extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels y <br /> DHS Certtficatlon No 1644 11 Y QA/QC Officer <br />