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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 nxrearnpbell corn E-mail main@mccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0503558 <br /> EPA IJlethod SW13260B Extraction SW5030B BatchlD 15672 Spiked Sample ID 0503562-0058 <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> pg/L pg1L % Rec %Rec % RPD % Rec %Rec %RPD MS/MSD LCS I LCSD <br />' tert-Amyl methyl ether(TAME) ND 10 101 983 274 929 963 3 51 70-130 70-130 <br /> t-Butyl alcohol(TBA) ND 50 101 983 268 885 924 431 70- 130 70- 130 <br />' 1,2-Dihromoethane(EDB) ND 10 931 93 5 0 491 847 897 457 70-130 70- 130 <br /> 1 2-Dichloroethane(1,2-DCA) ND 10 117 115 127 1 l 1 115 363 70-130 70- 130 <br /> Dnsopropyl ether(DIPE) ND 10 107 106 1 27 988 103 403 70-130 70-130 <br />' Ethyl tert-butyl ether(ETRE) ND 10 987 97 1 1 66 91 5 95 3 67 70-130 70-130 <br /> Methyl-t-butyl ether(MTBE) ND 10 995 957 395 922 947 263 70-130 70- 130 <br /> %SSI 107 10 100 100 0 99 97 149 70- 130 70- 130 <br /> Alk target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br />' NONE <br /> BATCH 15672 SU IIIMMARY <br /> ample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0503558-015C 3/30105 9 51 AM 4/03105 12 47 AM 4103105 12 47 AM 0503558-016C 3130/05 10 10 AM 4/03/05 1 30 AM 4103/05 1 30 AM <br />' 0503558-017C 3130/05 11 34 AM 4103105 3 14 AM 4/03/05 3 14 AM 0503558-0190 3/30105 11 48 AM 4/03105 3 57 AM 4/03/05 3 57 AM <br /> 0503558-019C 3130105 12 03 PM 4/03/05 4 40 AM 4/03/05 4 40 AM 0503558-020C 3/30105 12 19 PM 4/03105 5 24 AM 4103105 5 24 AM <br /> 0503558-021C 3/30/05 12 51 PM 4103/05 6 07 AM 4103105 6 07 AM 0503558-022C 3/30105 1 16 PM 4/03/05 6 51 AM 4/03/05 6 51 AM <br /> i <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br />' %Recovery=100*(IVIS-Sample)/(Amount Spiked) RPD=100*(MS- MSD)/((MS+MSD)12) <br /> *MS/MSD spike recoveries and/or%RPD may fall outside of laboratory acceptance cntena due to one or more of the follovnng 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 /> 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 analyte content <br /> W botallory extraction solvents such as methylene chloride and acetone may occasionally a2pear in the method blank at low levels <br /> DHS Certification No 1644 QA/QC Officer <br />