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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc. Telephone:925-79&1620 Fax:925-798.1622 <br />' httpJ/www.mccampbell.com E-mail:mainQmccampbell.com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> I - <br /> Matrix:W WorkOrder: 0303425 <br />' EPA Method: SW8021 B/8015Cm , Extraction: SW5030B Batch ID:6313 Spiked Sample ID; 0303426-009A <br /> Sample Spiked MS" MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria N <br /> Compound <br />' Ng/L pg/L %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low Nigh <br /> TPH(gas) ND 60 113 114 1.13 115 113 I.91 80 120 <br />' MTBE ND 10 99.8 105 5.27 106 100 5.41 80 120 <br /> Benzene ND 10 102 105 2.57 104 103 0.881 80 120 <br /> Toluene ND to 91.5 94.5 3.23 92.5 91.7 0.924 80 120 <br />' Ethylbenzene ND 10 102 105 2.96 104 103 1.15 80 120 <br /> Xylenes ND 30 93.3 93.3 0 96.7 93.3 3.51 80 120 <br />' 4/0S S: 101 100 100 100 0.109 96.2 96.7 0.544 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 /> 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=anatyte concentration in sample exceeds spike amount for soil matrix or exceeds tat 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)/(MS+MSD)'2. <br /> MS and/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 recon <br />