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110 2nd Avenue South #ID7 Pacheco CA 94553 5560 <br /> McCamphell Analytical, Inc. Telephone 925-798-1620 Fax 925 798 1622 <br />' 24 1 Website www niccanipbcil Lem F maii main(au mceampUell aim <br /> 0 QC SUMMARY REPORT FOR SW8260B <br />' W 0 Sample Matrix Water QC Matrix Water Workorder 0506539 <br /> EPA Method SW8260B Extraction SW50300 BatchlD 16911 Spiked Sample ID 0506551-003A <br /> Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria <br /> Analyte (%) <br /> pg/L pglL %Rec % Rec % RPD % Rec %Ree %RPD MS 1 MSD LCS 1 LCSD <br />' telt-Amyl methyl txhtir(TAM Ill ND t0 110 107 268 _110 104 600 70-130 70-130 <br /> t-Butyl alwhol(TBA) ND 50 89 103 148 934 884 547 70- 130 70-130 <br /> 12-Dibromoethane(EDB) ND 10 105 105 0 104 986 548 70 130 70- 130 <br /> 1 2-Dichloroethane(1,2 DCA) ND 10 115 115 0 113 106 592 70-130 70- 130 <br /> Dirsopropyl ether(DIPE) ND 10 119 119 0 118 118 0 70- 130 70-130 <br />' Ethyl lert-butyl cthcr(El 11 ND 10 110 _111 0 143 110 105 -_ 5 01 70 130 70-130 <br /> Methyl-t-butyl ether(M I BE) ND 10 102 101 1 06 103 952� 791 70-130 70-130 <br />' %SSI 109 10 90 89 0 605 92 88 497 70-130 70- 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONF <br /> BATCH 16911 SUMMARY <br /> lample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Dale Extracted Date Analyzed <br /> 0506539-013C 6128105 9 31 AM 7102105 7/02/05 6 16 PM 0506539-014C 6128/05 9 47 AM 7/02/05 7102105 6 58 PM <br />' 0506539-015C 6/28/05 10 04 AM 7102105 7102.105 7 41 PM 10506519-016C 6128105 10 22 AM __ 7/02/05 7102105 8 23 PM <br /> 1 <br /> 1 <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br />' %Recovery=10o"(MS-Sample)I(Amount Spiked) RPD=100`(MS- MSD)I((MS+MSD)12) <br /> MS/MSD spike recoveries and 1 or%RPD may fall outside of laboratoryacceptance criteria due to one or more of the foliowing 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 />' N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte conoentration 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 /> arato extraction solvents such as meth ane chloride and acetone may occasionally appear in the method blank at low levels <br />' qW <br /> DHS Certification No 1644 QA/QC Officer <br /> 1 <br />