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110 2nd Avenue South ALD7 Pacheco CA 94553 5569 <br /> McCampbell Analytical Inc i Telephone 925-798 1620 Fax 925-798-1622 <br /> http//www rnccampbell coin E-mail ruain@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0304246 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 6577 Spiked Sample ID 0304246-00213 —� <br /> Sample Spiked MS' MS-MSD` LCS LCSD LCS-LCSO Acceptance Criteria(%) <br /> Compound <br /> µglt µglL %Rec %Rec � %RPD I %Rec %Rec %RPD Law High <br /> Dusopropyl ether(DIPE) ND 10 121 119 l 55 114 108 525 70 130 <br /> Ethyl Cert-butyl ether(ETRE) ND 10 t06 105 0 843 101 949 637 70 130 <br /> MEthyl-f-butyl ether(MTBE)==ND==10==103=1=97 6==5-71==96 41=86 5==t0 8==70==130= <br /> tert-Amyl methyl ether(TAME) ND 10 98 982 0 159 953 84 126 70 130 <br /> Methanol ND 2500 107 106 0 502 90 93 330 70 130 <br /> Ethanol ND 500 100 895 111 95 106 105 70 130 <br /> 1,2-Dibrornoethane(EDB) ND 10 123 127 356 126 124 1 69 70 t30 <br /> 1,2-Dichloroethane(1,2-DCA) ND 10 130 128 1 14 123 118 420 70 130 <br /> %SS 116 100 99 978 124 104 102 229 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RI,with the following exceptions <br /> NONE <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> N/A=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 <br /> analyte content <br /> %Recovery=100`(MS Sample)/(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)"2 <br /> 'MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains stgnificant concentrations of <br /> analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />