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110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical hic Telephone 925-798 1620 Fax 925-798-1622 <br /> http#WWW mccampbell Com E mail ma a be!1 com <br /> QC SUMMARY REPORT FOR SW$021B1$015Cm <br /> Matrix W WorkOrder 0312366 <br /> EPA Methad SW8021BI8015Cm Extraction SW5030B BatchlD 9760 Spiked Sample ID 0312365-005A <br /> Sample Spiked MS' MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Cnteria(%) <br /> pglL pglL %Rec %Rec %RPD %Rec %RBC %RPD Low High <br /> TPH(btex)£ ND 60 103 102 0 762 954 100 476 70 t30 <br />' MTBE ND 10 110 109 0 981 957 939 1 93 70 130 <br /> Benzene ND 10 101 101 0 103 104 0 712 70 t30 <br /> Toluene ND 10 915 91 3 0 255 95 9 976 1 79 70 130 <br />' Ethylbenzene ND l0 108 100 7 87 101 106 494 70 130 <br /> Xylenes ND 30 100 957 4 43 89 93 3 475 70 130 <br />' %SS 103 100 996 102 1 95 113 110 332 70 130 <br /> All target compounds in the Method Blank of this extraction hatch were ND less than he method RL with the following exceptions <br />' NONE <br /> 1 <br /> MS=Matnx 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)/((MS+MSD)12) <br /> 'MS and 1 or MSD spike recoveries may not be near 100%or the BPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> t 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 /> #Guttered 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 soil matrix or exceeds Dx spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />