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110 2nd Avenue South 4D7 Pacheco CA 94553 5560 <br /> 4 WCampbell Analytical Inc Telephone 925 798 1620 Fax 925-798 1622 <br /> http 1/www mccampbell corn E mail momrDmccampbell corn <br /> 101 QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> BatchlD 2164 Matrix W WorkOrder 0205420 <br /> EPA Method SW8024BI8015CM Extraction SW5030B Ext Date 5130102 Spiked Sample ID 0205429-002A <br /> Sample Spiked MS' MSD` MS-MSD" LCS LCSD ILCS-LCSD Acceptance Criteria (%) <br /> Compound — -- --- --- - - — - <br /> }ig/L pglL %Rec %Rec %RPD %Rec %Rec 11 %RPD Low High <br /> TPH(gas) ND 60 100 103 242 101 107 5 S 80 120 <br /> MTBE -— -- - ND 10 81 3 81 2 0 149 877 887 - 1 2fv 80 120 <br /> Benzene ND 10 844 845 0 128 89 9 929 3 3 80 120 <br /> Z oluene - ND 10 91 902 0 829 94 9 97 9 3 2 80 120 <br /> hthylbenzene ND 10 924 93 1 0 728 96 8 100 3 5 80 120 <br /> Xylenes ND 30 94 943 U354 �99 100 1 0 80 120 <br /> °i°ss 101 to >l01 lol 0279 100 102 16 80 120 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method F-L 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 /> NIA=not enough sample to perform matrix spike or analyte concentration in sample exceeds spike amount <br /> %Recovery=100'(MS Sample)1(Amount Spiked) RPD=100'(MS-MSD)/(MS+MSD)'2 <br /> "MS and!or MSD spike recoveries may not be near 100%or their RPDs near 0%,if a)the sample is inhomogeneous AND contains significant concentrations of <br /> ana3yze relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />