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McCaril bell Anal��}1Ca1 Inc I 10 2nd Avenue South,#1D7 Pacheco CA 94553-5560 <br />' P J Telephone 925-798-1620 Fax 925-798-1622 <br /> huP//www mccwnPbell corn E-mail main(&nccampbell com <br />' QC SUMMARY REPORT FOR SW8021B/801 5Cm <br /> Matrix W WorkOrder 0303448 <br /> EPA Method SW8021BI8015Cm Extraction SW50308 BatchlD 6331 Spiked Sample ID N/A <br /> Sample Spiked MS" MSD" MS-MSD'l LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' Compound <br /> }lg/L Ng/L % Rec %Ree %RPD I %Rec %Rec %RPD Low High <br /> TPH(gas) NIA 60 NIA N/A N/A 949 948 00628 80 120 <br />' MTBE N/A 10 NIA NIA N/A 99 113 129 80 120 <br /> Benzene N/A 10 NIA N/A N/A 115 119 309 80 120 <br /> Toluene N/A 10 N/A N/A N/A 112 116 266 80 120 <br /> Ethylbenzene NIA 10 N/A N/A N/A 116 118 237 80 120 <br />' XylenesNIA 30 N/A N/A N/A 113 117 290 80 120 <br /> %SS N/A 100 N/A NIA N/A 915 91 8 0 356 80 120 <br /> All target compounds in the Method Blank of thts extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> I <br /> 1 <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 and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matnx or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100'(MS-Sample)I(Amount Spiked) RPD=100`(MS—MSD)I(M5+MSD)'2 <br /> MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%it a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked or b)d that specific sample matrix interferes with spike recovery <br />