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110 2nd Avenue South #D7 Pacheco,CA 94553-5560 <br /> McCampbell .Analytical Inc Telephone 925-7981620 Fax 925-798-1622 <br /> h //www rncca bell com E marl main mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W Workorder 0305421 <br /> BPA Method SW82605 Extraction SW5030B BatchiD 7072 Spiked Sample ID 0305421-007B <br /> Sample Spiked MS" MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Crrtena(%) <br /> Compound <br /> pg/L pg/L %Rec %Rec % RPD % Rec %Rec % RPD Low High <br /> tert-Amyl methyl ether(TAME) ND to 93 5 962 281 99 1 97 220 70 130 <br /> Benzene ND t0 108 110 1 82 101 100 0 504 70 130 <br /> Dusopropyl ether(D(PE) ND 10 102 105 288 995 100 0 525 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND t0 91 7 944 2 83 95 5 93 3 232 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 85 7 912 621 106 102 378 70 130 <br /> Toluene ND 10 121 123 1 30 115 112 230 70 130 <br /> %SS 1 965 100 99 6 101 0 949 95 2 95 2 0 70 130 <br /> %SS2 102 100 100 100 0 102 101 0 990 70 130 <br /> %SS3 107 100 106 103 260 987 99 7 l 06 70 130 <br /> All target compounds to 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 Percent <br /> Deviation <br /> %Recovery=100•(MS-Sample)I(Amount Spiked) RPD=100`(MS—MSD)/(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 inhomagenous AND contains significant concentrations of <br /> analyte relative to the amount sped orb)if that specific sample matrix interferes with spike recovery <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> N R=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 /> ILaboratory extraction solvents such as methyfene chloride and acetone may occasionally appear in the method blank at low levels <br />