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' 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925 798 1622 <br />' Website www mceampbell coin Email main a mecampbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0407302 <br />' EPA Method SW8021 B/8015Cm Extraction SW5030B BatchlD 12442 Spiked Sample ID 0407298-026A <br /> Sample Spiked MS` MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' lig/L pg/L %Rec %Rec %RPD % Rec %Rec %RPD Low High <br /> TPH(btex)£ ND 60 95 7 97 7 { 2 12 964 966 0202 70 130 <br /> MTBE ND 10 104 108 I 374 114 109 4 52 70 130 <br />' Benzene ND 10 112 115 i 292 116 113 190 70 —130 <br /> Toluene ND 10 105 108 I 2 69 108 107 1 41 70 130 ' <br />' Ethylbenzene ND _ 10 109 112 2 53 111 110 0 746 70 130 <br /> i <br /> Xylenes ND 30 95 3 100 ! 4 78 96 95 7 0 343 70 130 <br />' %SS 965 10 105 103 159 107 107 0 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 /> 1 <br /> I <br /> I <br />' MS w 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)1((MS+MSD)12) <br /> I `MS and 1 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 with spike recovery <br /> E TPH(btex)=sum of BTEX areas from the FID <br /> I #cluttered chrr ratogram sample peak coelutes with surrogate peak <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration m sample exceeds spike amount for sod rnatnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> DHS Certification4 <br /> No l6 QA/QC Officer <br />