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1 130 2nd Avenue South fSD7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-79&1622 <br /> 1 , http Ilwww mccanrpbell coin E marl morn r[e�snceampbel]cam <br /> J <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix W WorkOrder 0209270 <br />' EPA Method SW8021 BI8015Cm E.traction SW5030B BatchlD 4025 Spiked Sample ID N/A <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(°�) <br /> Compound <br /> NgIL pg/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(gas) N/A 60 N/A N/A N/A 109 116 622 80 120 <br /> 1 MTBE N/A 10 NIA N/A NIA 862 877 1 74 80 — 120 <br /> Benzene NIA 10 NIA N/A N/A 945 953 0 816 80 120 <br /> Toluene NIA 10 N/A N/A N/A 996 997 114 80 120 <br /> 1 Ethylbenzene N/A 10 N/A N/A N/A 983 101 269 80 120 <br /> Xylenes N/A 30 N/A N/A N/A 103 103 0 80 120 <br /> 1 %SS N/A 100 NIA N/A NIA 91 1 917 0 703 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 /> 1 NONE <br /> 1 • <br /> 1 <br /> 1 <br /> 1 <br /> 1 <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 /> 1 Devrabon <br /> NIA=not enough sample to perform matnx spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content. <br /> 1 D/°Recovery=100"(MS-Sample)I(Amount Spiked) RPD=100"(MS—MSD)/(MS+MSD)*2 <br /> •MS and/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),f that specific sample matrix interferes with s ike recovery <br />