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1 <br /> 110 2nd Avenue South rlD7 Pacheco,CA 94553-5560 <br /> McCalnpbell Analytical Inc Telephone 925 798-1620 ,ax 925 798-'622 <br /> thttpJ/www mcc heli coon E mad mam ,mica bell corn <br /> • QC SUMMARY REPORT FOR SW8021 B/8015Cm <br /> 1 <br /> Matrix W WorkOrder 0307250 <br />' EPA Method SW8021BIS015Cm Extraction SW5030B BatchlD 7835 Spiked Sample ID 0307254-001A <br /> Sample Spiked MS* MSF44799 <br /> LCSD LCS-LCSD Acceptance Cntena{%) <br />' pg/L pg/L % Rec % R % Rec %RPD Low High <br /> TPH(btex)F 2279 60 131 N 1 141, 107 0 70 130 <br />' MTBE 6246 10 NR N 101 1 30 70 130 <br /> Benzene 06751 10 106 10 967 320 70 130 <br />' Toluene 05749 10 100 102 145 95 2 925 2 91 70 130 <br /> Ethylbenzene ND 10 105 105 0 106 103 263 70 130 <br /> Xylenes ND 30 967 100 3 39 100 957 443 70 130 <br />' %SS 116 100 1 12 108 3 14 997 993 0 352 70 130 <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 /> F1 =MS/MSD exceed acceptance criteria LCS-LCSD validate prep batch <br /> I MS=Matrix Spike MSD=Matrix Spike Duplocate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relahve Percent <br /> Deviation <br /> %Recovery=100*(MS-Sample)I(Amount Spiked) RPD=100'(MS—MSD)/(MS+MSD)*2 <br /> *MS and I 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)sf 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 matnx 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 matnx or <br /> analyte content <br /> I <br />