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110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> ampbell Analytical Inc <br /> McCTelephone 925-798-1620 Fax 925-798 1622 <br />' http llwww mccampbelt cam E maul mwn@mccampbell com <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0208518 <br />' EPA Method SW826013 Extraction SW5030B BatchiD 3749 Spiked Sample ID 0208598-004B <br /> Sample Spiked MS- MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> pglL % Rec %Rec % RPD %Rec %Ree %RPD Low High <br /> Dusopropyl ether(DIPE) NO t0 110 108 1 98 918 101 792 70 130 <br />' Ethyl Cert-butyl ether(ETBE) NO 10 112 109 288 102 112 366 70 130 <br /> Methyl-t-butyl ether(MTBE) NO 10 117 113 391 112 124 903 70 130 <br /> tert-Amyl methyl ether(TAME) NO 10 115 112 262 107 119 773 70 130 <br />' %SS 835 too 882 874 0 991 872 872 279 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 />� w <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br />' Deviation <br /> . <br /> NIA=not enough sample to perform matnx 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)I(Amount Spiked) RPD=100"(MS—MSD)!(MS+MSD)'2 <br /> MS and 1 or MSD spike recoveries may not be near 100%orthe 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 niatnx interferes with spike recovery <br />