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' 1102nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' hap//www mceampbell coin E-mail main rd nccampbell coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0305251 <br />' I=PA Method SW8260B Extraction SW5030B BatchlD 6924 Spiked Sample ID 0305244-003A <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br />' Ng/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Benzene ND 10 104 107 239 100 103 206 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 110 111 0 225 104 110 5 67 70 130 <br /> Toluene ND 10 118 120 157 113 116 260 70 130 <br /> %SSI 114 100 113 110 238 966 93 2 3 53 80 130 <br /> %SS2 102 100 100 101 0 103 998 103 3 17 80 130 <br /> %SS3 117 100 113 114 1 07 106 120 12 3 80 130 <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 /> lie <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 /> %Recovery=100'(MS-Sample)l(Amount Spiked) RPD=100*(MS--MSD)I(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)d that specific sample matrix interferes with spike recovery <br /> N/A=not enough sample to perform matrix 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 /> Laboratory extracbon solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br />