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110 2nd Avenue South 4D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798 1622 <br />' httpJlwww mccampbell com lr mill main©mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0214196 <br />' EPA Method SW8260B Extraction SW5030B BatchlD 4855 Spiked Sample ID [VIA— <br /> Compound <br /> Sample Spiked MS` MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria{%) <br /> t -- <br /> pg/L Ng1L % Rec %Rec %RPD %Rec % Rec % RPD Low High <br /> Benzene NIA 10 NIA NIA N/A 126 I 127 0 851 70 130 <br /> ' Methyl-t-butyl ether(MTBE) NIA 10 NIA NIA NIA 123 125 161 i 70 130 <br /> Toluene N/A 10 NIA NIA NIA 114 114 1 0 272 70 130 <br /> %S81 NIA tooNIA NIA NIA 100 101 0 620 70 130 <br /> %SS2 N/A 100 NIA NIA NIA 97 5 _ 976 00417 70 130 <br /> %853 NIA 100 NIA NIA NIA 9$8 9$ 1 I 0 721—I 70 130 <br /> tAll target compounds 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 RPD=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 matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> %Recovery=too"(MS-Sample)1(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 /> ' analyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />