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{10 2nd Avenue South,#D Pacheco,CA 94553-5560 <br /> McCampbell Analy#ical Inc Telephone 925-798-1620 Fax 925-798-Ifi22 <br />' hit //www mecampbell com E-mail mam@mccasnphe{l com <br /> QC SUMMARY REPORT FOR SW802IB/8015Cm <br /> I <br /> Matrix W WorkOrder 0211447 <br />' EPA Method SW8021 BI8015Cm Extraction SW5030B BatchlD 5072 Spiked Sample ID 0211468-002A <br /> Sample Spiked MS" MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound I --- <br />' pg/L pglL % Rec % Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) ND 60 110 104 554 103 100 212 80 120 <br />' MTBE ND 10 104 109 447 106 108 169 80 120 <br /> Benzene 4 069 10 109 110 0 510 97 8 99 6 1 76 80 120 <br /> Toluene ND 10 101 102 1 16 939 94 9 1 12 80 120 <br />' Ethylbenzene ND 10 t06 104 136 986 997 1 14 80� 120 <br /> Xylenes ND 30 103 100 328 93 3 93 3 0 80 120 <br /> %SS 96 1 100 106 104 214 102 975 471 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method R1,with the following exceptions <br />' NONE <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS.=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br />' Deviation <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 /> %Recovery=100'(MS Sample)I(Amount Spiked),RPD=100'(MS—MSD)I(MS+MSD)`2 <br /> 'MS and I 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 /> anal a relative to the amountspiked or b)if that specific sample matrix tnterferes ninth spike recove <br />