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1 110 2nd Avcnue South,OD7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-799-1622 <br /> http:llwww.mccampbell.com E-mail:main©mccampbell.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix:W WorkOrder. 0209390 <br /> ' EPA Method:. SW8021818015CM Extraction: SW5030B BatchlD:4133 Spiked Sample ID: WA <br /> Sample Spiked MS' MSD" MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> ' pglL pg/L %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPH(gas) N/A 60 N/A N/A N/A 99.5 89.4 10.7 80 120 <br /> ' MTBE N/A 10 NIA N/A N/A 105 105 0.872 80 120 <br /> Benzene N/A 10 N/A N/A N/A 103 94.4 8.56 80 120 <br /> Toluene NIA 10 NIA N/A N/A 106 97.3 8.50 80 120 <br /> ' Ethylhenzene N/A 10 NIA N/A N/A 109 99.5 8.82 80 120 <br /> Xylenes NIA 30 N/A NIA N/A 103 99.7 3.61 80 120 <br /> ' %SS: N/A 100 N/A N/A NIA 96.6 91.5 5.40 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method PL with the following exceptions: <br /> ' NONE <br /> 1 <br /> I 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 /> • NIA 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)1(MS+MSD)'2. <br /> 'MS and/or MSD spike recoveries may not be near 100%or the BPDs 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 s ike recave . <br />