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' 110 2nd Avenue South,9D7,Pacheco,CA 94553-556G' <br /> MCCampbell Analygical Inc. Telephone:925-798-1620 $ax:925-798-1622 <br /> http:lfwww.mcewnpbell.com E-mail:mains mccamphell.cam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> BatchlD:2164 Matrix;W WorkOrdar. 0205429 <br /> EPA Method: SW8021 B18015Cm Extraction: SW5030B Ext. Date: 5130102 Spiked Sample 1D: 0205429-002A <br /> Compound Sample Spiked MS- MSD' MS-MSD- LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L % Rec. %Rec. %RPD %Rec. % Rec. %RPD Low High <br /> TPH(gas) ND 60 100 103 2.42 101 107 5.8 80 120 <br /> MTBE ND 10 8I.3 81.2 0.149 87.7 88.7 1.2 80 120 <br /> Benzene ND 10 84.4 84.5 0.128 89.9 92.9 3.3 80 120 <br /> Toluene ND 10 91 90.2 0.829 94.9 97.9 3.2 80 120 <br /> Ethylbenzene ND 10 92.4 93.1 0.728 96.8 100 3.5 80 120 <br /> Xylenes ND 30 94 94.3 0.354 99 100 1.0 80 120 <br /> 101 to 101 101 0.279 100 102 1.6 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 /> NONE <br /> I � a <br /> I <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 /> NIA=not enough sample to perform matrix spike,or analyte concentration in sample exceeds spike amount <br />' %Recovery=140'(MS-Sample)I(Amount Spiked);RAD=100'(MS—MSD)/(MS+MSD)"2. <br /> .MS and/or MSD spike recoveries may not be near 100%or their BPDs near 0%if:a)the sample is inhomogeneous AND contains significant concentrations of <br /> analyze relative to the amount spiked,or b)if that specific sample matrix interferes with spike recovery. <br /> I <br />