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i <br /> 110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925 798 1622 <br /> http I/www mccampbell com E-mail mmnQmccampbell com <br /> QC SUMMARY REPORT FOR SW8021B/8415Cm <br /> I <br /> Matrix W WorkOrder 0302327 <br />' EPA Method SW8021B/8015Cm Extraction SW5030B BatchlD 5986 Spiked Sample ID NIA <br /> Sample Spiked MS- MSD` MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria{%) <br /> I Compound <br /> NgIL Yg/L %Rec %Rec %RPD %Rec %Rec %RPD Low i High <br /> TPH(gas) NIA 60 N/A NIA N/A 987 103 459 70 130 <br />' MTBE NIA 10 N/A N/A N/A 851 864 149 _ _ 70 130 <br /> Benzene NIA 10 N/A NIA NIA 978 996 1 78 I 70 i 130 <br /> Toluene N/A 10 N/A N/A NIA 923 95 6 3 53� 70 130 <br />' Ethylbenzene N/A 10 N/A N/A N/A 985 103 4 14 70 130 <br /> Xylenes N/A 30 N/A N/A N/A 93 3 100 690 70 130 <br />' %SS N/A 100 N/A NIA NIA 99 9 969 297 80 120 <br /> All target compaunds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> 1 <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPO=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=100`(MS Sample)I(Amount Spiked) RPD=100'(MS—MSD)I(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 />' ana to relative to the amountspiked or b)if that specAc sample matrix interferes with spike recovery <br />