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110 2nd Avenue South #D7,Pacheco,CA 94553-5560 <br /> Inc.McCampbell Analytical, Telephone 925-798-1620 Fax 925-798-1622 <br /> IWebsite ww w mccampbell com E-mail main@a mccampbcll com <br /> QC SUMMARY REPORT FOR SW8260B <br /> IW O Sam pie Matrix Water QC Matrix Water WorkOrder 0503558 <br /> EPA Method SW826011 Extraction SW503013 BatchlD 75667 Spiked Sample ID 0503558-020C <br /> Sample Spiked MS* MSD" MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria <br /> Analyte (%) <br /> Ng/L Ng/L % Rec %Rec % RPD % Rec %Rec % RPD MS!MSD LC51 LCSD <br /> Itent-Amyl methyl ether(TAME) ND 10 812 93 1 716 932 932 0 70-130 70-130 <br /> t-Butyl alcohol(TBA) ND 50 83 3 851 193 93 955 261 70-130 70- 130 <br /> I 1 2-Dibromoethane(EDB) ND 10 791 826 116 965 856 0 953 70- 130 70- 130 <br /> 1,2-Dichloroethane(1 2-DCA) ND 10 101 108 640 108 112 349 70-130 70-130 <br /> Dnsopropyl ether(DIPE) ND 10 906 99 641 969 97 5 0 598 70- 130 70- 13" <br /> 0- 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 808 993 841 908 902 0 610 70-130 70- 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 808 845 167 977 986 0 896 70- 130 70- 130 <br />' %SSI 96 10 1 96 98 1 39 100 98 1 70 70-130 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 /> BATCH 15667 SUMMARY <br /> ample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0503558-001C 3130/05 11 39 AM 4/04!05 2 18 PM 4/04105 2 18 PM 0503558-002C 3130105 12 00 PM 4/02/05 4 07 PM 4/02105 4 07 PM <br />' 0503558-003C 3130105 12 24 PM 4/02105 4 51 PM 4/02105 4 51 PM 0503558-004C 3130105 12 50 PM 4/02105 5 34 PM 4/02105 5 34 PM <br /> 0503558-005C 3/30105 10 37 AM 4/02105 6 18 PM 4102/05 6 18 PM 0503558-006C 3/30105 8 44 AM 4/02105 10 25 PM 4/02/05 10 25 PM <br /> 0503558-007C 3/30/05 8 57 AM 4/02105 11 07 PM 4/02/05 11 07 PM 0503558-008C 3130105 9 18 AM 4104/05 1 35 PM 4104105 1 35 PM <br />' 0503558-009C 3/30/05 9 38 AM 4102105 10 49 PM 4102/05 10 49 PM 0503558-OIOC 3/30/05 10 02 AM 4102/05 11 31 PM 4/02/05 11 31 PM <br /> 0503558-01 IC 3/30!05 10 22 AM 4/02/05 9 42 PM 4102/05 9 42 PM 0503558-012C 3130/05 8 54 AM 4/02105 9 54 PM 4102/05 9 54 PM <br /> 0503558-0130 3/30/05 9 07 AM 4/02/05 10 37 PM 4102/05 10 37 PM 0503558-014C 3130105 9 03 AM 4/05/05 3 20 AM 4105105 3 20 AM <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br />' %Recovery=100.(MS-Sample)/(Amount Spiked) RPD=100'(MS- MSD)!((MS+MSD)/2) <br /> MS 1 MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance critena due to one or more of the following reasons a)the sample is inhomogenous <br /> AND contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample s matrix interferes with the spike recovery <br /> I 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 analyte content <br /> aboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> , Nn <br />' DHS Certification No 1644 QA/QC Officer <br /> I <br />