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110 2nd Avenue South 4D7 Pacheco CA 94553-5560 <br /> McCampbell AnalyticaI Inc Telephone 925 798-1620 Pax 925-798-1622 <br /> ' 4 http Ilwww mccampbelI com E-mail mamQmccampbell corn <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W WorkOrder 0304251 <br /> ' EPA Method SW802113I8015Cm Extraction SW5030B BatchlD 6578 Spiked Sample ID 0304246-001A <br /> Sample Spiked MS' MSD" MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' Compound — <br /> pg/L pg/L % RBC %Rec %RPD %Rec %Rec ! %RPD Low High <br /> TP11(btex)£ ND 60 103 101 1 17 100 103 326 80 120 <br /> ' MTBE ND 10 103 914 123 107 104 256 80 120 <br /> Benzene ND to 996 976 2 06 99 1 95 8 340 80 120 <br /> ' Toluene ND 10 103 102 1 02 101 994 141 80 120 <br /> Ethylbenzene ND 10 103 102 109 102 995 255 80 120 <br /> Xylenes ND 30 ILO 110 0 107 107 0 80 120 <br /> - - <br /> %SS 101 100 98 7 987 0 983 966 E 180 80 120 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> ' NONE <br /> 1 <br /> ' MS=Matrix 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)I(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 ooelutes with surrogate peak <br /> N/A=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 matrix or <br />