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110 2nd Avenue South #ll7 Pacheco CA 94553 5560 <br /> McCampbelI Analytical, Inc. Telephone 925-798-1620 Fax 925 798-1622 <br /> Websne www mccampbell corn E-mail main©mccampbell com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> W O Sample Matrix Sod QC Matrix Soil WorkOrder 0411097 <br /> EPA Method SW8021B18015Cm Extraction SW5030B+ BatchlD 13850 Sppiked Sample ID 0411097-011A <br /> Analyte Sample Spiked MSi MSD' MS-MSD' LCS LCSD ILCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg/Kg % Rec % Rec % RPD %Rec %Rec %RPD MS/MSD LCS/LCSD <br /> i <br /> TPH(btex)E ND 060 948 954 0 659 993 992 00343 70- 130 70-130 <br /> MTBE ND 0 10 984 994 0 980 96 100 448 70- 130 70-130 <br /> Bcn7ene ND 0 10 105 104 109 98 4 _ 102 3 50 70- 130 70-130 <br /> Toluene _ �-- —ND 0 10 866 863 0 342 81 7 85 397 70- 130 70-130 <br /> Ethylbenzene ND 0 10 105 l05 0 98 2 103 507 70- 130 70-130 <br /> Xylenes ND 0 30 91 3 91 0 366 863 907 490 70-130 70 130 <br /> %S8 96 0 10 98 91 727 99 90 9 64 70- 130 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 /> I <br /> I <br /> I <br /> 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)/(Amount Spiked) RPD=100.(MS- MSD)/((MS+MSD)12) <br /> `MS 1 MSD spike recoveries and 1 or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> +nhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> N/A not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> anal a content <br /> DHS Certtficatton No 1644 <br /> QA/QC Officer <br />