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110 2nd Averue South #D7 Pacheco CA 94553-550 <br /> McCamphell Analytical, Inc. Telephom 925 799-1620 Fax 925-798 1622 <br /> �p Website www nx,caaipbell cum h mazl inaw@niccampbell com <br /> . QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0509649 <br /> EPA Method SW82608 Extraction SW5030B BatchlD 18296 Spiked Sampie ID 0509641-031B <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria (%) <br /> pgIL pg1L %Rec % Rec ; %RPD %Rec % Rec %RPD MS 1 MSD LCS 1 LCSD <br /> Methyl-t-butyl ether(MTBE) ND 10 116 114 240 117 119 182 70-130 70- 130 <br /> %SS 1 94 to 101 99 272 103 105 161 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 /> NONE <br /> BATCH 18295 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample 1D Date Sampled Date Extracted Date Analyzed <br /> 0509641-024B 9128105 It 34 AM 10/01/05 10/01/05 930 AM 0509641-025B 9128105 12 01 PM 10/03/05 10/03/05 3 18 PM <br /> 0509641-026B 9128105 12 46 PM 10/01/05 10/01/05 7 33 PM 0509641-027B 9/28/05 1 13 PM 10/03/05 10/03/05 4 01 PM <br /> 0509641-028B 9128105 10 11 AM 10/01/05 10/01/05 8 58 PM 0509641-029B 9128105 10 29 AM 10/01105 10/01/05 9 41 PM <br /> 0509641-030B 9128105 9 14 AM 10/03/05 10/03/05 4 44 PM 0509641-031B 9128105 9 34 AM 10/03/05 10/03/05 2 35 PM <br /> I� <br /> M5=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> %Recovery=100'(MS-Sampie)I(Amount Spiked),RPD=100•(MS- MSD)I((MS+MSli 2) <br /> MS I MSD spike recoveries and I or%RPD may fall outside of laboratory acceptance criteria 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 orb)the spiked samples matrix interferes with the spike recovery <br /> WA=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 /> 4bboratcryexireclion solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Cettlficatton No 1644 I QA/QC Officer <br />