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110 2nd Avenue South ND7 Pacheco CA 94553-5560 <br /> FA# McCampbell Analytical Inc Tetephonc 925 798-1620 Fax 925 798-1622 <br /> hnp 11 www inc=npbell com E mail mam@,mccampbell com <br /> . QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0309036 <br />' EPAMethod SW8021 B/8015Cm Extraction SW5030B BatchlD 8367 Spiked Sample ID 0309036-005A <br /> Sample Spiked MS' MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> 3 � <br />' pglL pg1L %Rec %Rec % RPD %Rec %Rec % RPD Low High <br /> TPH(btex)F ND 60 989 7 101 238 100 976 296 70 1317 <br /> MTBE ND 10 97 1 915 586 991 971 204 _ 70 130 <br />' Benzene ND t0 99 8 994 0 408 101 100 0 913 - 70 130 <br /> Toluene ND �10 102 101 134 104 103 152 70 130 <br />' Ethylbenzene ND 10 104 104 -—0 106 104 J 1 73 70 _ 130 <br /> Xylenes ND 30 107 107 0 110 107 3 08 70 130 <br />' %SS 108 100 103 105 186 103 105 1 45 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method P-L with the following exceptions <br />' NONE <br /> 1 <br /> t <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 recovenes 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 /> £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 soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />