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I 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> F4 McCampbell Analytical Inc Telephune 925 798 1624 Fax 925-798 1622 <br />,!! I hap#www mccampbeil com F mad maxn@rnccampbell ccm <br /> l� <br /> QC SUMMARY REPORT FOR SW8021B/801 SCm <br /> Matrix W WorkOrder 0212154 <br />' EPAMethod SW8021BI8015Cm Extraction SW5030B BatchlD 5243 - Spiked Sample ID NIA <br /> Compound <br /> Sample Spiked MS" MSD" MS-MSD-1LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg1L Ing/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) NIA 60 NIA NIA NIA 113 108 410 80 120 <br /> ' MTBE N/A 10 NIA NIA NIA 966 925 441 80 —120 <br /> Benzene NIA 10 NIA NIA NIA 98 5 998 1 24 80 120 <br /> Toluene N/A 10 NIA NIA NIA 102 107 423 80 120 <br /> ' Ethylbenzene N/A 10 NIA NIA NIA 999 101 1 57 80 120 <br /> Xylenes N/A 30 NIA NIA NIA 103 107 3 17 80 120 <br /> NIA 100 NIA NIA NIA 89 895 0 567 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method Rl with the following exccptions <br /> NONE <br /> 10 <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 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 I or MSD spike recoveries may not be near 100%or the RPDs near 0%xY 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 />