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1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> ' I http l/www mccampbetl Com E-mail mama ccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0309037 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 8367 Spiked Sample ID 0309036-005A <br /> Sample Spiked MS' MSD' MS-MSD LCS LCS�LCS-L.CSD Acceptance Criteria(%) <br /> pg/L pg/L % Rec %Rec %RPD %Rec %Rec Low High <br /> TPH(btex)E ND 60 989 101 238 100 976 296 70 130 <br /> MTBE ND 10 97 I 91 5_ 596 991 97 1 204 �70 1 130 <br />' Benzene ND 10 999 994 0 408 101 100 0 913 70 130 <br /> Toluene ND 10L04 <br /> 101 134 104 103 152 70 i 130 <br />' Ethylbenzene ND 10104 0 106 104 1 73 70 i 130 <br /> Xylenes ND 30 107 0 110 107 308 '70 _ T 130 <br /> %8S 108 100 103 105 186 103 105 145 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 /> 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)!(Amount Spiked) RPD=100`(MS—MSD)!(MS+MSD)'2 <br /> `MS and 1 or MSD spike recoverres may not be near 100%or the BPDs 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 /> . £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sad matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> I <br />