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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798 1622 <br />' http llwww mecampbell corn E-mail mai r@mccampbell com <br /> • QC SUMMARY REPORT FOR SW8021B/80.15Cm <br /> I <br /> Matrix W WorkOrder 0211472 <br />' EPA Method SW8021818015Cm Extraction SW5030B BatchlD 5082 Spiked Sample ID 0211472-OO1A <br /> Sample <br /> Compound, Spiked MS* MSD' MS MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg/L Ng/L %Rec %Rec % RPD %Rec %Rec %RPD Low Nigh <br /> TPH(gas) ND 60 104 101 251 100 110 931 80 120 <br />' M IBE ND 10 956 937 203 84 833 0 892 80 120 — <br /> Benzene ND 10 965 944 225 98 5 943 435 80 120 <br /> Toluene ND 10 106 103 307 102 101 101 80 120 <br />' Ethylbenzene ND 10 107 103 3 16 102 978 438 80 120 <br /> Xylenes ND 30 110 100 952 107 103 3 17 80 120 <br />' %SS 101 100 100 99 3 0 961 91 7 908 1 03 80 120 <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 /> N/A=not enough sample to perform matrix spike and matnx spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod 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)1(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 significant concentrations of <br /> analyte relative to the amount spiked or b)if that spectfie sample matrix interferes with spike recovery <br />