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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 /> htip//www mccampbell corn E-mail main@mccampbell corn <br /> QC SUMMARY REPORT FOR SW802IB/80I5Cm <br /> Matrix W WorkOrder 0312159 <br /> EPAMethod SW8021B/8015Cm Extraction SW5030B BatchlD 9599 Spiked Sample ID 0312159-001A <br /> Sample Spiked MS" MSO" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> fag/L fag/L %Rec %Rec % RPD % Rec %Rec %RPD Low High <br /> TPH(btex)£ ND 60 997 977 203 107 104 258 70 i 130 <br /> _ _ I <br /> MTBE ND 10 963 98 8 261 100 937 671 70 130 <br /> Benzene ND 10 976 97 7 00413 108 105 254 70 130 <br /> Toluene ND 10 100 100 0 102 983 3 65 70 130 <br /> Ethylbenzene ND 10 102 101 0 248 109 107 238 70 130 <br /> Xylenes ND 30 103 100 3 28 100 100 0 70 130 <br /> %SS 105 100 102 103 1 12 1 101 101 0 j 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 /> MS=Matrix Spike MSD=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100"(MS-Sample)l(Amount Spiked),RPD=100'(MS- MSD)/((MS+MSD)/2) <br /> *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 /> . £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 soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />