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1102nd Avenue South 9D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www mccampbell com E-mail main@mccacnpbelt can <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix A WorkOrder 0401337 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 10110 Spiked Sample ID N/A <br /> Sample Spiked MS` j MSD` MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec I %Rec %RPD % Rec %u RecT% RPD Low High <br /> tert-Amyl methyl ether(TAME) N/A 10 N/A N/A N/A 108 115 688 70 130 <br /> Benzene NIA 10 NIA N/A NIA 123 126 } 2 01� 70 130 <br /> t-Butyl alcohol(TBA) NIA 50 N/A N/A NIA 961 T 101 4 74 v 70 130 <br /> llnaopropyl ether(DIPE) N/A 10 NIA N/A N/A 119 123 3 67 70 130 <br /> Ethyl tert-butyl ether(ETRE) N/A 10 NIA NIA N/A 114 115 107 70 130 <br /> Methyl-t-butyl ether(MTBE) NIA 10 NIA NIA N/A 110 114 4 11 70 130 <br /> Toluene N/A — 10 NIA NIA NIA 103 102 0 326 70 130 <br /> %SSI N/A 10 N/A NIA NIA 103 103 0 70 130 <br /> %SS2 N/A 10 NIA N/A NIA 95 5 942 1 29 70 130 <br /> %aSS3 NIA 10 NIA N/A NIA 102 101 122 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=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100`(MS-Sample)/(Amount Spiked) RPD=100`(MS- MSD)/((MS;MSD)/2) <br /> "MS and 1 or MSD spike recoveries may not be near 100%or the RPDs near 0%n if a)the sample is inhomogenous AND contains significant concentrations of <br /> anatyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br /> NIA=not enough sample to perform matnx spike and matnx 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 <br /> analyte content <br /> . Laboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 r�kQA/QC Officer <br />