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I 110 2nd Avenue South ND7 Pacheco CA 945 3 5 60 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fay 92:-798 1622 <br /> hnp 1lwww mccampbell coin E mai] main a utccampbell win <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0303510 <br /> EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 6359 Spiked Sample ID NIA <br /> I Sample Spiked MS' MSD' MS-MSOA LCS LCSD ILCS-LCSD Acceptance Criteria(%) <br /> Compound r-- - -- - <br /> pg1L k Ng/L % Rec %Rec %RPD i %Rec i %Rec % RPD Low High <br /> 1 PH(gas) N/A 60 N/A N/A N/A 103 103 0 230 80 120 <br /> MTBE N/A 10 N/A _ N/A N/A 996 91 3 1 93 80 i 120 <br /> Benzene - _ - N/A 10 — N/A N/A- --N/A - 92 93 5 E 1 57 80 120 <br /> toluene- _ T N/A 10 N/A N/A - N/A 91 9 93 7 201 80 1 120 <br /> Ethylbenzene _ N/A 10 N/A N/A N/A 932 954 227 80 120 <br /> Xylenes NIA 30 N/A - N/A N/A 95 99 4 12 80 120 <br /> %55 - N/A 100 r N/A NIA NIA 85 7 85 6 00793 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 /> NON1: <br /> MS=Matrix Spike MSD=Matnx 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 matrix spike duplicate <br /> NR=analyte concentration In sample exceeds spike amount for soil 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)1(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 or b)if that specific sample matrix interferes with spike recovery <br />