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I <br /> [10 2nd Avenue South I1D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1627 <br />' http 1lwww mccampbell corn E-mail main@mccarnpbelI com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matnx W WorkOrder 0312207 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 9648 Spiked Sample ID 0312207-011A <br /> Sample Spiked MS' MSD` MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' Ng/L pg/L % Rec % Rec %Rec %Rec %RPD Low High <br /> TPH(btex)a ND 60 77 972 232 902 916 152 70 130 <br />' MTBE ND 10 102 108 5 81 817 118 362 70 130 <br /> Benzene ND 10 99 5 105 5 59 85 7 98 4 13 8 70 130 <br />' Toluene ND to 101 107 560 876 103 157 70 130 <br /> Ethylbenzene ND 10 102 107 4 98 977 110 224 70 130 <br /> Xylenes ND 30 103 110 625 90 110 200 70 130 <br />' %5S 107 100 107 107 0 91 112 206 70 I 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the followmg exceptions <br />' NONE <br /> I <br /> lie <br /> 1 <br /> 1 <br /> I <br /> I MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)1(Amount Spiked) RPD=100"(MS- MSD)1((MS.+MSD)12) <br /> MS and 1 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 spike recovery <br /> £TPH(btex)=sum of STEX areas from the FID <br />' #cluttered chromatogram,sample peak coelutes with surrogate peak <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 />