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110 2nd Avenue South AD7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-79&1620 Fax 925 798-1622 <br /> hnp Ilwww mccampbell com E-mail mai ri mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix S WorkOrder 0209197 <br /> EPA Method SW8021B/8015Cm Extraction SVV5030B BatchlD 4076 Spiked Sample ID N/A <br /> Sample Spiked MS' MSD" MS-MSD' LCS LCSD 'LCS-LCSD Acceptance Criteria(%) <br /> Compound ' <br /> mg/Kg i mg/Kg %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) NIA 060 N/A N/A N/A 103 103 00327 80 120 <br /> MTBE NIA 010 NIA NIA NIA 907 893 155 80 120 <br /> Benzene NIA 0 10 NIA N/A N/A 102 107 432 80 —120 <br /> Toluene _ NIA 0 10 NIA N/A NIA 109 110 139 80 120 <br /> Ethylbenzene -- NIA 0 10 N/A NIA N/A I 105 110 440 - 80 120— <br /> Xylenes NIA 0 30NIA NIA NIA 103 110 6 25 1 80 120 <br /> %SS NIA 100 NIA NIA N/A 109 111 169 80 I 120 <br /> Al 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 /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matnx 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)I(MS*MSD)'2 <br /> MS and I 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 orb if that specift sample matrix interferes with spike recovery <br />