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' 110 2nd Avenue South,ND7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-799-1620 Fax 925-798-1622 <br />' hup//www mccampbell com E mail mam@uccampbell corn <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix A WorkOrder 0303367 <br />' EPA Method SW80218/8015Cm Extraction SW5030B SatchlD 6265 Spiked Sample 10 0303366-003A <br /> Sample Spiked MS' MSD' MS MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> tpg/L Ng/L % Rea %Rea %RPD %Rec %Rea %RPD Low High <br /> TPH(gas) N/A 60 NIA N/A N/A 115 114 0 885 80 120 <br />' MTBE ND 10 108 109 0 615 103 104 0 791 80 120 <br /> Benzene ND 10 100 101 0 500 108 108 0 470 80 120 <br /> Toluene ND 10 911 922 1 18 101 100 137 80 120 <br />' Ethylbenzene ND 10 100 104 320 112 110 1 21 80 120 <br /> Xylenes ND 30 933 100 690 110 107 3 08 80 120 <br />' %SS 99 8 100 998r96 8 309 96 6 982 166 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 /> MS�Matrix Spike,MSD=Matrix Spike Duplicate LCS=laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative <br /> Dewabon <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate Percent <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 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 /> Ianalyte relative to the amount spiked or 4 if that s fic sample matrix interferes with spike recovery <br />