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McCan2 bell Analytical Inc 110 d Avenue South t1D7 Pacheco CA 94553-5560 <br /> pTelephone 925-798-1620 Fax 925-798-1622 <br /> thttp//wwwmccampbeIlcorn E-mail main@niccampbelicom <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> BatchlD 1282 Matrix W WorkOrder 0204237 <br /> ' EPA Method SW8021B/8015Cm Extraction SW5030B Ext Date 4112102 Spiked Sample ID N/A <br /> Sample Spiked MS- MSD' MS-MSD' LCS I LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' Compound <br /> pg/L Vg/L %Rec %Rec %RPU %Rec %Rec %RPD Low High <br /> TPH(8as) N/A 60 NIA N/A N/A 977 967 1 0 70 130 <br /> MTBE N/A 10 N/A N/A N/A 937 874 70 70 130 <br /> Benzene NIA 10 N/A N/A NIA 114 108 50 70 130 <br /> ' Toluene N/A 10 NIA N/A N/A 116 112 3 6 70 130 <br /> Ethylbenzene N/A 10 NIA NIA N/A 111 108 29 70 130 <br /> Xylenes N/A 30 N/A N/A N/A 110 107 3 1 70 130 <br /> %SS N/A 10 NIA N/A N/A 114 111 0 70 130 <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 /> t <br /> 1 <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 matrix spike,or analyte concenhawn in sample exceeds spike amount. <br /> ' %Recovery=100'(MS-Sample)/(Amount Spiked),RP D=100'(MS--MSD)/(MS+MSD)'2 <br /> "MS and/or MSD spike recoveries may not be near 100%or their RPDs near 0%it a)the sample is inhomogeneous AND contains significant concentrations of <br /> . analyze relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />