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110 22nd Avenue South,-D7.Pacheco.CA 94;53-5560 <br /> McCampbe3[ Analytical Inc. T„lephone:925-798-1620 Fax,:925-798-1622 <br /> '44 h1tp:,/www.mccampbcllcom E-mail_mainrf¢tnccaznpbcll-cum <br /> QC SUMMARY REPORT FOR SW8021B/80150n <br /> Matrix:W WorkOrder: 0306350 <br /> EPA Method: SW8021 B/8015Cm Extraction: SW5030B BatchlD:7383 Spiked Sample ID 0306342-001A <br /> Sample Spiked MS' MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance?Criteria(%) <br /> pg/L pglL %Rec. %Rec. %RPD % Rec. % Rec. % RPD Low High <br /> �'TPH(htexl` ND 60 112 1 107 4.25 101 1 103 1.74 70 130 <br /> MTRE ND 10 Q6.3 96.7 0.444 96 97.9 1.92 70 130 <br /> Benvenc ND 10 110 110 0 96.7 98.4 1.74 - 70 130 <br /> Toluene --- - ND - 10 102 l01 1.23 97.4 98 0,590 - - 70 - 130 <br /> Ethvlhenzene ND 10 111 108 2.61 102 101 0.838 70 130 <br /> Xylenes NTJ 30 103 1 IUO 3.28 103 1()3 <br /> 0 70 13 l) <br /> ''.Ss' 99.3 100 102 103 0-922 94.5 9C.6 1.16 70 130 <br /> All latnet compounds in the Method Blanc:of this extraction bateh were ND less than the method RL with the following exceptions: <br /> NctN1 <br /> MS=Matrix Spike:MSD=Matrix Spike Duplicate', LCS=Laboratory Control Sample, LCSD=Laboratory Control Sample Duplicate:RPD=Relative Percent <br /> Deviation. <br /> 0/Recovery=100'(MS-Sample)I(Amount Spiked)',RPD=100”(MS-MSD)/(AVIS+MSD)'2- <br /> "MS and!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 /> 'iF TPH(btex)=sum of BTEX areas from the FID. <br /> I#guttered chromatogram;sample peak coeiutes with surrogate peak. <br /> L <br /> t enough sample to perform matrix spike and matrix spike duplicateaiyte 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 />