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1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www mccanipbeIl com E-mail mem n 1nLcampbefl cam <br /> QC SUMMARY REPORT FOR SW8021)3/8015Cm <br /> Matrix W WOrkOrder 0409206 <br /> EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 13147 Spiked Sample ID 0408206-033A <br /> Analyte <br /> Sample Spiked MS* MSD` MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pgIL pg1L % Rec % Rec % RPD % Rec % Rec % RPD LOW High <br /> TPH(btex)£ ND 60 969 947 220 96 997 374 70 130 <br /> MTBE ND 10 854 844 1 16 96 1 927 359 70 130 <br /> Benzene ND 10 98 1 957 244 102 101 0 184 70 130 <br /> Toluene ND 10 92 3 Ql 7 0 717 953 95 1 0 268 70 130 <br /> Ethylbenzene ND 10 975 963 1 15 985 100 154 70 130 <br /> Xylenes ND 30 897 897 0 197 901 0 741 70 130 <br /> %SS 850 10 104 102 1 96 103 104 0 365 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=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RAD=Relative Percent <br /> Deviation <br /> %Recovery=100"(MS-Sample)I(Amount Spiked) RPD=100*(MS- MSb)I((MS+MSD)12) <br /> *MS/MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons a)the sample is <br /> inhomcgenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> £TPH(btex)=sum of BTEX areas from the FID <br /> #cluttered chromatogram sample peak coelutes with surrogate peak <br /> NIA=not applicable or not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyto 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 /> DHS Certification No 1644 QA/QC Officer <br />