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i <br /> 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> Inc.McCampbell Analytical, Telephone 925-798-1620 Fax 925 798 1622 <br /> Website www mecampbell corn E mail main@mccarnpbell com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0405340 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 11630 Spiked Sample ID 0405353-002B <br /> Sample Spiked MS" MSD- MS-MSD- LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> pg/L pg1L %Rec % Rec %RPD % Rec % Rec % RPD LOW Nigh <br /> tert-Amyl methyl ether(TAME) ND 10 936 100 700 959 886 789 70 130 <br /> Benzene ND 10 107 108 0 929 102 982 389 70 t30 <br /> t-Butyl alcohol(TBA) ND 50 948 113 17 8 111 944 t59 70 t30 <br /> Chlorobenzene ND 10 106 103 226 996 965 3 12 70 130 <br /> 1,2-Dibromoethane(EDB) ND to ill 115 3 90 114 105 775 70 130 <br /> 1,2-Dichloroethane(1,2-DCA) 1 ND 10 119 122 228 119 112 637 70 130 <br /> 1,1-Dichloroethene ND 10 763 745 241 73 3 722 151 70 1 130 <br /> Dusopropyl ether(DIPF-) ND 10 117 123 544 113 107 567 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 105 111 579 106 977 789 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 102 Ill 8 11 106 95 8 101 70 130 <br /> Toluene ND 10 111 107 325 104 103 0 894 70 130 <br /> Trichloroethene ND 10 824 81 9 0 618 796 766 383 70 130 <br /> %SS1 998 10 102 106 467 105 101 412 70 130 <br /> All target compounds in the Method Blank of thta�xtractton batch were ND less than the method RL with the following exceptions <br /> NONE <br /> MS=Matnx 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) FAD=100`(MS- MSD)!((MS+MSD)12) <br /> *MS and I or MSD spike recovenes 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 spec;f c sample matrix interferes with spike recovery <br /> N/A=not enough sample to perform matnx 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 extraction solvents such as methylene chlor'e and acetone ma o.s. nally appearm the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />