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— — `"��' 110 2nd Avenue South #D7,P£checo-CA-94553-5560 <br /> McCampbell Analytical, Iric lelephane 925-798-1620 Fax 925-798 1622 <br /> h Ilwww mcc bell com E mail mam campbell com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matnx W WorkOrder 0401260 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 10067 Spiked Sample ID 0401260-001A <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Catena{%} <br /> f - lig/L `pg/L %Rec % Ree %RPD % Rec % Rec % RPD Low High - <br /> TPH(btex)£ ND 60 95 955 0 443 101 937 799 70 130 <br /> MTBE ND 10 109 105 380 939 946 0 707 70 130 <br /> Benzene ND 10 100 101 0 846 966 101 4 11 70 130 <br /> Toluene ND 10 106 106 0 103 104 0 556 70 130 <br /> Etbylbenzene ND 10 104 105 0 603 102 104 250 70 130 <br /> Xylenes ND 30 107 107 -0 , 103 107 3 17 70 130 <br /> %SS 114 10 1 109 109 0 110 111 115 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method R1,with the following exceptions <br /> NONE <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)I(Amount Spiked) RPD=100`(MS- MSD)1((MS+MSD)/2) <br /> MS and/or MSCI 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 /> NIA=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 Certification No 1644 _QA/QC Officer <br />