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1102nd Avenue South 4D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc' Telephone 925-798-1620 Fax 925 798-1622 <br /> http/]www mccampbell cam E-mail maLn@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0302315 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 5970 Spiked Sample ID 0302315-002B <br /> Sample Spiked MS' MSD" MS-MSD' LCS LCSD LCS-LCS0 Acceptance Criteria(%) <br /> Compound <br />' pg/L Ng/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Benzene ND 10 112 111 107 106 108 125 70 130 <br /> tert-Amyl methyl ether(TAME) ND IO 108 107 0 927 934 944 1 11 70 130 <br />' Methyl-t-bury]ether(MTBE) ND 10 935 986 538 104 103 0 991 70 130 <br /> Toluene ND l0 107 108 103 98 7 99 3 0 656 70 130 <br />' Dusopropyl ether(RIPE) ND 10 100 102 151 107 109 169 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 967 98 5 179 102 103 101 70 130 <br />' %SSI t t 6 100 108 107 0 728 106 104 243 70 130 <br /> %SS2 t 10 100 112 114 152 ill 110 0 242 70 130 <br />' %SS3 1 960 100 833 84 5 143 98 1 963 185 70 130 <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 /> i <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <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 /> %Recovery=100"(MS-Sample)/(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 inhomogenous AND contains significant concentrations of <br />' analyte relative to the amount spiked or b)if that spec sample matnx interferes with spike recovery <br />