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110 2nd Avenue South #la7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-799-1620 Fax 925-798 1622 <br /> Website www mccampbell corn E-mail =mQmccampbell coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0405480 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 11750 Spiked Sample ID 0405475-003B <br /> Sample Spiked MS" MSD' MS-MSO' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> t }ig/L pgIL %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tent-Amyl methyl ether(TAME) ND 10 91 1 861 5 67 --871 903 357 70 130 <br />' t-Butyl alcohol(TBA) ND 50 943 93 1 121 969 151 1 10 70 130 <br /> Dusopropyl ether(DEPE) ND 10 114 115 138 115 117 160 70 130 <br /> Ethyl tent-butyl ether(ETRE) ND 10 979 998 190 959 101 481 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 92 923 0 310 879 957 853 70 130 <br /> %SSI 985 10 964 966 0 213 964 948 1 64 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 /> 1 � <br /> 1 <br /> 1 <br />' MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100`(MS-Sample)I(Amount Spiked) RPD=100'(MS- MSD)/((MS+MSD)12) <br /> MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matnx interferes with spike recovery <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=anatyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyte content <br /> 11-aboratory extraction solvents such as meth ene chloride and acetone may occasionally appear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />