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' 119 2nd Avenue South##D7 Pacheco CA 94553 5560 <br /> Inc.McCampbell Analytical, Telephone 925 798-1620 Fax 925 798 1622 <br /> Website www mccampbell com E-mail main®mccampbell com <br /> QC SUMMARY REPORT FOR SW8260B <br />' W O Sample Matrx Water QC Matrix Water WorkOrder 0507366 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 17265 Spiked Sample ID 0507384-003B <br />' Analyte SampleSpiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg1L Ng/L % Rec %Rec %RPD %Rec %Rec %RPD MS/MSD LCS/LCSD <br /> tent-Amyl methyl ether(TAME) ND 10 109 105 360 98 98 3 0 321 70 130 70 -130 <br />' t-Butyl alcohol(TBA) ND 50 924 942 1 92 828 802 3 19 70- 130 70-130 <br /> 1,2-Dtbromoethane(EDB) ND 10 103 105 246 100 102 120 70-130 70-130 <br />' 1,2-Dtchloroethane(1,2-DCA) ND 10 116 117 0 385 111 112 0 394 70 130 70- 130 <br /> Dnsopropyl ether(D1PF) ND 10 117 118 0 677 114 112 173 70-130 70-130 <br />' Ethanol ND 500 102 996 204 908 91 5 0 805 70-130 70- 130 <br /> Ethyl tert-butyl ether(ETRE) ND 10 116 117 0 516 107 103 3 41 70-130 70- 130 <br /> Methanol ND 2500 918 909 109 948 981 3 36 70-130 70-130 <br />' Methyl-t-butyl ether(MTBE) ND 10 108 112 322 101 946 669 70-130 70-130 <br /> %SSI 94 10 105 105 1 0 101 98 3 33 70-130 70-130 <br />' All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> 10 <br /> BATCH 17255 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br />' 0507366-007A 7/21105 7/25/05 7/25/05 2 53 PM I 0507366-008A 7/21/05 7125105 7/25/05 3 37 PM f <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br /> %Recovery=140•(MS-Sample)/(Amount Spiked),RPD=100'(MS- MSD)!((MS+MSD)!2) <br /> I MS 1 MSO spike recovenes and!or%RPD may fall outside of laboratory acceptance cntena due to one or more of the following reasons a)the sample is inhomogenous AND <br /> contains significant concentrations of analyte relative to the amount spiked or b)the spiked sample's matrix interferes with the spike recovery <br /> N/A=not enough sample to perform matrix spike and matnx 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 /> A9006aboratory extraction solvents such as methylene chloride and acetone may occasionally appear in the method blank at low levels <br /> qW <br /> DHS Certification No 1644 W-- QA/QC Officer <br />