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1 <br /> 110 2nd Avenue South #177,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' http/lwww mccampbell com E-mail main mccampbell com <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> t <br /> Matrix W WorkOrder 0304378 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 6686 Spiked Sample ID 0304379-001A <br /> Compound Sample Spiked MS" MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Cntena(%) <br />' pg/L 1,g/L %Rec % Rec % RPD %Rec %Rec %RPD Low High <br /> TPH(btex)£ ND 60 995 100 0 556 989 100 1 27 80 120 <br />' MTBE ND 10 967 984 1 72 97 943 286 80 120 <br /> Benzene ND 10 102 103 1 65 104 102 186 80 120 <br />' Toluene ND 10 104 106 169 108 107 0 775 80 120 <br /> Ethylbenzene ND 10 102 103 145 106 106 0 80 120 <br /> Xylenes ND 30 107 110 308 110 110 0 80 120 <br />' %SS 102 100 978 987 0 900 101 102 0 682 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 /> I <br /> I <br /> I <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relallve Percent <br /> Deviation <br /> %Recovery=100'(MS-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 math spike recovery <br /> . £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> I <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> anal a content <br />