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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> McCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br /> Website www mccampbell com E mail mauu@rWC mpbell Com <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0405225 <br /> EPA Method SW82608 Extraction SW5030B BatchlD 11554 Spiked Sample ID 0405237-003A <br /> Sample Spiked MS- MSD' MS-MSD' ICS -LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec %Rec %RPD %Rec %Rec %RPD Low Nigh <br /> tert-Amyl methyl ether(TAME) ND 10 89 91 7 300 864 826 451 70 130 <br /> t-Butyl alcohol(TBA) ND 50 861 894 372 822 849 3 17 70 130 <br /> 1,2-Dibromoethane(EDB) ND 10 102 105 302 100 881 127 70 130 <br /> 1,2-DlLhloroethane(1,2-DCA) ND 10 110 114 352 994 100 0 827 70 130 <br /> Dnsopropyl ether(DIPE) ND 10 120 124 3 18 107 104 341 70 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 102 105 265 96 917 454 70 I 130 <br /> Methyl-t-bury]ether(MTBE) ND ]0 962 992 298 938 933 0 585 70 I30 <br /> %SS2 974 10 106 106 0 101 95 3 6 27 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 /> • <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPO=Relative Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked),RPD=100'(MS- MSD)/((MS+MSD)/2) <br /> MS and/or MSD spike recoveries may not be Rear 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 matnx or sample diluted due to high matrix or <br /> analyte content <br /> Laborato extraction solvents such as meth len.chloride and acetone ma occasional appear in the method blank at low levels <br /> DHS Certification No 1644 i t~ QAIQC Officer <br />