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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> =4mcc <br /> ampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> hitp 11www mccampbell cow E-mail main@niccampbell cam <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0302196 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 5908 Spiked Sample ID N/A <br /> Sample Spiked MS* MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria <br /> Compound — ---- <br /> Ng/L pgIL %Rec %Rec I %RPD %Rec %Ree %RPD Low i High <br /> i <br /> Methy 1-t-bury!ether(MTBE) N/A 10 N/A N/A N/A 79 778 151 70 130 <br /> %SS 1 N/A 100 N/A N/A N/A 909 884 267 70 130 <br /> All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> I <br /> I� <br /> MS=Matrix Spike,MSD=Matrix 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)/(Amount Spiked) RPD=100'(MS—MSD)I(MS+MSD)*2 <br /> IVIS and I or MSD spike recoveries may not be near 1009%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> anaiyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />