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McCampbell Analytical Inc 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> IF4- 1` Telephone 925 798-1620 Fax 925-798-1622 <br /> httpl/www mccampbell cam E-mail roam mccainpbeIl com <br /> C S <br /> ' QC REPORT FOR SW802 1B/80ISCm <br /> / <br /> ' Matrix W WorkOrder 0307008 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 7639 Spiked Sample ID 0307006-008A <br /> Sample Spiked %103 <br /> D" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' pg/L lig/Lec %RPD % ReC %ReC %RPD Low High <br /> TPH(btex)£ ND 60 6 2 25 100 996 0 489 70 130 <br /> MTBE ND 101 1 07 101 992 1 83 <br /> 70 130 <br /> Benzene ND 101 1 24 106 IO2 350 70 130 <br /> Toluene ND 10 3 0 469 107 103 339 <br /> 70 130 <br /> Ethylbenzene ND i0 4 0 994 108 105 306 <br /> 70 130 <br /> Xylenes ND 30 0 110 107 308 70 130 <br /> %SS <br /> 104 100 D 107 103 3 69 70 130 <br /> 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPO=Relative Percent <br /> Deviation <br /> %Recovery=100*WS-Sample)I(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 recovery <br /> • £TPH(btex)=sum of BTEX areas from the FID <br />` #cluttered chromatogram sample peak coelutes with surrogate peak <br /> Ir 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 /> anal a content <br />