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110 2nd Avenue South i1D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> http//www mticampbell corn E-mail main@a nccampbell coin <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0305373 <br />' EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 7045 Spiked Sample ID 0305373-003A <br /> LSample Spiked MS' MSD` MS-MSD LCS LCSD LCS-LCSD Acceptance <br /> Criteria(%) <br /> Compound <br />' Ng/L %Rec %Rec %RPD %Rec %Rec % RPD Low High <br /> TPH(btex)£ ND 60 987 985 0 236 996 992 0 453 70 130 <br /> MTBE 8 048 10 842 892 299 101 t00 0 266 70 I 130 <br />' Benzene ND 10 94 1 946 0 569 953 953 0 70 130 <br /> Toluene [ND 10 984 986 0 219 993 996 0 350 70 130 <br />' Ethylbenzene ND 10 996 100 0 562 101 102 0 539 70 130 <br /> Xylenes ND 30 103 107 3 17 107 107 0 70 130 <br /> %SS 104 rl00 i00 101 0 388 102 101 0 557 80 120 <br /> 1 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method Al.with the following exceptions <br />' NONE <br />' MS=Matnx Spike,MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=1 oo'(MS-Sample)/(Amount Spiked) RPD=100'(MS—MSD)/(MS+MSD)'2 <br /> MS and 1 or MSD spike recovenes may not be near 100%or the RPDs near 0%it a)the sample is inhomogenous M40 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 />