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' 110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http//wwwmccarnpbellcorn E-mail main@mccampbell corn <br /> I <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix W WorkOrder 0211447 <br />' BPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 5070 Spiked Sample ID N/A <br /> Sample Spiked IVIS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' pg/L lrg/L % Rec %Rec %RPD %Rec i %Rec %RPD Low High <br /> TPH(gas) N/A 60 NIA N/A NIA 101 101 0132 80 120 <br />' MTBE N/A 10 N/A NIA NIA 102 994 232 80 120 <br /> Benzene N/A 10 NIA N/A N/A 102 971 4 53 80 120 <br /> Toluene N/A I0 N/A NIA N/A 103 979 465 80 120 <br />' Ethylbenzene N/A 10 NIA NIA N/A 100 949 519 80 120 <br /> Xylenes NIA 30 N/A NIA NIA 103 997 3 61 80 120 <br />' d/OSS N/A 100 NIA NIA NIA 91 4 89 1 264 80 120 <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 /> 1 <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br />' Deviation <br /> N/A=not enough sample to perform matnx 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 matnx or <br /> analyte content <br />' %Recovery=100"(MS-Sample)/(Amount Spiked),RPD=100'(M$—MSD)/(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 />' analyte relative to the amount spiked orb)if that specific sample matnx interferes with spike recovery <br />