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110 2nd Avenue South aD7 Pacheco CA 94553-5560 <br /> 4McCampbell Analytical Inc Telephone 925 798-1620 Fax 925-798 1622 <br />' h"//www mccampbell coin E-mail mam@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I <br /> Matrix W WorkOrder• 0210001 <br /> EPA Method SW8021BI8015CM Extraction SW5030B Bat&ID 4215 Spiked Sample ID NIA <br /> Sample Spiked MS" MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' pg/L pg/L %Rec %Rec %RPD %Rec %Rec % RAD Low High <br /> TPH(gas) N/A 60 N/A N/A N/A 101 102 135 80 120 <br /> MTBE N/A 10 NIA N/A N/A 946 924 237 80 120 <br /> Benzene N/A 10 N/A N/A N/A 95 7 955 0 175 80 120 <br /> Toluene N/A 10 N/A N/A N/A 97 8 977 0 138 80 120 <br /> Ethylbenzene NIA 10 N/A N/A N/A 985 95 6 3 03 80 120 <br /> Xylenes N/A 30 N/A N/A NIA 100 100 0 80 120 <br /> %SS N/A 100 N/A N/A N/A 88 9 892 0 437 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 /> I - <br /> r <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 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)/(Amount Spiked) RPD=100•(MS—MSD)/(MS+MSD)•2 <br /> 'MS and/or MSD spike recoveries may not be near 100%or the RPD9 near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> Ianalyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />