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' 110 2nd Avenue South PD7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc, Telephone 925 798-1620 Fax 925-798-1622 <br /> IWebsite www mccampbell com E-mail main@mecampbell cum <br /> • QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0403274 <br />' EPA Method SW8260B Extraction SW6030B BatchlD 10794 Spiked Sample ID 0403274-0116 <br /> Sample Spiked MS" MSD* MS-MSD` LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> I pgIL pg/L %Rec %Rec % RPD %Rec %Rec % RPD Low High <br /> Cert-Amyl methyl ether(TAME) ND 10 106 105 0 399 104 106 200 70 130 <br /> t-Butyl alcohol(TBA) ND 5o 85 851 0 123 91 853 651 70 130 <br />' 1,2-Dibromoethane(EDB) ND 10 988 992 0 337 998 992 0 516 70 130 <br /> 1,2-Dichlaroethane(1,2-DCA) ND 10 119 119 0 118 120 168 70 130 <br /> IDusopropyl ether(DIPE} ND 10 111 110 0 727 106 ill. 451 70 130 <br /> Ethanol ND 500 110 115 433 102 105 283 70 130 <br /> IEthyl tert-butyl ether(ETRE) ND t0 101 100 0 789 97 102 451 70 130 <br /> Methanol ND 2500 100 101 131 101 824 199 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 992 963 303 934 971 378 70 130 <br /> %SS 1 104 10 102 100 1 32 925 928 0 312 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 /> lot <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)/(Amount Spiked),RPD=100'(MS- MSD)/((MS+MSD)12) <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 /> N/A=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 /> 0 Laboratory extraction solvents such as methylene chloride and acetone may occasionally ae2ear in the method blank at low levels <br /> DHS Certification No 1644ffie <br /> A/ C Officer <br /> Q Q O <br />