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r <br /> 110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798 1622 <br /> rWebsite www mecampbell com h-mail main@mccarnpbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> r <br /> Matnx W WorkOrder 0402229 <br /> rEPA Method SW8260B Extraction SW5030B BatchlD 10387 Spiked Sample ID 0402226-0028 <br /> Sample Spiked INS' MSD' MS-MSD' LCS LCSD JLCS-LCSD Acceptance Catena{%) <br />' pglL pglL %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tett-Amyl methyl ether(TAME) ND 10 96 947 1 43 987 993 0 644 70 130 <br />' t-Butyl alcohol(TBA) ND 50 992 941 529 92 954 354 70 130 <br /> Dusopropyl ether(DIPE) ND 10 96 6 961 0 517 96 1 966 0 445 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 946 928 117 95 959 0 923 70 130 <br />' Methyl-t-butyl ether(MTBE) ND 10 938 903 376 951 961 104 70 130 <br /> %SS 1 105 l0 972 1 959 1 1 39 993 97 9 1 141 1 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 /> 1 <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)I((MS+MSD)!2) <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 matrix interferes with spike recovery <br /> NIA=not enough sample to perform matrix spike and matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds lac spike amount for water matrix or sample diluted due to high matrix or <br />' analyte content <br /> 11-aborat—OrY extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> tDHS Certification No 1644 -Q,&/QC Officer <br /> 1 <br />