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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc. Telephone:925-798.1620 Fax:925-798-1622 <br /> 1 htfp://www.mccampbeiLcom E-snail:main@mccampbell.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> 1 Matrix:W WorkOrder: 0211024 <br /> EPA Method: SW8021 B18015Cm Extraction: SW5030B BatchlD:4728 Spiked Sample ID: 0211044-OOSA <br /> Sample 4 Spiked MS* MSD" SMS-MSD"" LCS LCSD �LCS-LCSDIAcceptance Criteria(%) <br /> 1 p -- - - _- --� <br /> Com ound <br /> i pg/L 1 pg/L % Rec. i %Rec. ' %RPD %Rec. %Rec. %RPD Low High <br /> i <br /> TPH(gas) ND 60 110 j 95 14.5 106 96.2 9.62 80 120 <br /> a <br /> MTBE ND 10 98 97.2-I -0.759 108 101 6.58--3- -_-80 - Y 120 <br /> Benzene ND 10 98.7 i 94.6 4.26 92.9 85.8 - 7.94 80 120 <br /> Toluene a ND 10 95.8 } -91 Y 5.12 92.1 88.7 3.80 80 i. 120 <br /> Ethylbenzene ND i 10 1022 93.7 i 8.73 95.7 I 96.1 0.472 ! 80 120 <br /> 4,01 <br /> Xylenes ND 30 93.3 89.7 <br /> y I----- : 93.3 93.3 ---0 ---80----.�- 120 <br /> %SS: 89.2 100 102 94.1 7.67 ! 95.1 889 6.71 - -80 120 <br /> 1 All target compounds in the Method Blank ofthis extraction batch were ND less than the method RL with the following exceptions: <br /> NONE <br /> 1 <br /> 1 <br /> 1 <br /> 1 <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 /> 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)I(Amount Spiked);RPD=100'(NIS-MSD)I(MS+MSD)*2. <br />' 'MS and I 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)if that specific sample matrix interferes with spike recovery. <br />