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' 110 2nd Avenue South #D7,Pacheco CA 94553-5560 <br /> McCampbcll Analytical, Inc. Telephone 925-798 1620 Fax 925-798-1622 <br />' Website www mccainpbell com E mail main@=Campbell corn <br /> QC SUMMARY REPORT FOR SW802IR/8015Cm <br /> Matnx W WorkOrder 0408256 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 12779 Spiked Sample ID 6408264-007A <br /> Sample Spiked MS* MSD` MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' lig/L pglL %Rec %Rec %RPD %Rec % Rec % RPI] Low High <br /> TPH(btex)£ ND 60 984 102 324 101 101 0 70 130 <br /> MTBE ND 10 929 101 841 103 100 290 70 130 <br />' Benzene ND 10 100 110 944 102 100 1 62 70 130 <br /> Toluene ND 10 95 9 105 904 102 979 405 70 130 <br />' Ethylbenzene ND 10 98 5 107 826 99 5 995 0 70 130 <br /> Xylenes ND 30 86 3 95 956 91 3 863 5 63 70 130 <br />' %SS 992 10 105 106 134 995 102 1 2 10 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 /> I <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratcry Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100"(MS-Sample)I(Amount Spiked),RPD=100'(MS- MSD)1((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 /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample s matrix interferes with the spike recovery <br /> E 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 /> Ianalyte Content <br /> DHS Certification No 1644 QA/QC Officer <br />