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I110 2nd Avenue South,#D7 Pacheco CA 94553 5560 <br /> 4 McCampbell Analytical, Inc. Telephone 925 799-1620 Fax 925-798-1622 <br /> Website www mccampbell com E marl main@uwcampbell com <br /> QC SUMMARY REPORT FOR SW8264B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0410373 <br /> EPA Method SW82606 Extraction SW5030B BatchlD 13699 Spiked Sample ID 0410357-009B <br /> Analyte Sample Spiked MS' MSD' MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria (%) <br /> I pglL pglL % Rec % Rec % RPD %Rec % Rec % RPD MS/MSD LCS/LCSD <br /> tert-Amyl methyl ether(TAME) ND 10 843 847 0 467 765 775 1 37 70-130 70- 130 <br />' t-Butyl alcohol(TBA) ND 50 846 87 1 289 972 941 3 29 70-130 I 70-130 <br /> Dusopropyl ether(D1PE) ND t0 124 125 0 560 121 119 1 66 70- 130 70-130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 106 i08 1 10 115 114 1 30 70- 130 70- 130 <br /> IMethvi-t-butyl ether(MTBE) ND 10 976 98 0 379 101 101 0 70- 130 70- 130 <br /> %SS l 110 10 101 t00 0 577 97 95 2 18 70-130 70- 130 <br /> IAll target compounds to 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)12) <br /> MS 1 MSO spike recoveries and 1 or%RPD may fall outside of laboratory acceptance criteria due to one or more of the foltomrig reasons a)the sample is <br /> inhomogenous AND 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 perforin matrix spike and matrix spike duplicate <br /> I 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 Certtficahon No 1644 QA/QC Officer <br />