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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 /> Zo I Website www mccampbell com E-mail main®mccampbcIt com <br /> QC SUMMARY REPORT FOR SW8260B <br /> W O Sample Matrix Water QC Matrix Water WorkOrder 0503533 <br /> EPA Method SW8260B Extraction SW50311B BatohlD 15653 Spiked Sample ID 0503533 6C <br />' Analyte Sample Spiked MS* MSD" MS-MSD; LCS LCSD LCS-LCSD Acceptance Criteria (%) <br /> pg/L pg/L % Rec % Rec %RPD % Rec %Rec % RPD MS I MSD LCS I LCSD <br /> Itert-Amyl methyl ether(TAME) N10 10 114 108 536 949 95 8 0 939 70-130 70-130 <br /> t-Butyl alcohol(TBA) ND 50 875 85 3 2 55 949 90 5 19 70-130 70- 130 <br />' 1,2-Dibromoetbane(EDB) ND l0 998 106 594 858 917 667 70-130 70-130 <br /> 1,2-Dtchloroethane(1,2-DCA) ND 10 115 119 320 113 110 254 70-130 70- 130 <br /> Dusopropyl ether(DIPE) ND 10 109 113 401 103 101 222 70- 130 70-131) <br />' Ethyl tert-butyl ether(ETRE) ND t0 105 107 236 963 93 1 347 70-130 70- 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 117 114 275 937 928 0 975 70-130 70- 130 <br />' %SSI 92 10 102 1 101 0 898 97 96 1 45 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 15653 SUMMARY <br /> *ample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0503533-OOIC 3129105 10 45 AM 4101105 4 05 AM 4101105 4 05 AM 0503533-002C 3/29/05 8 59 AM 4101105 4 48 AM 4101/05 4 48 AM <br />' 0503533-003C 3/29/05 9 18 AM 4/01/05 5 31 AM 4/01105 5 31 AM 0503533-0040 3/29105 9 38 AM 4101105 6 14 AM 4101/05 6 14 AM <br /> 0503533-005C 3129105 10 01 AM 4101105 6 57 AM 4/01/05 6 57 AM 0503533-006C 3/29/05 10 24 AM 4/01/05 7 40 AM 4/01/05 7 40 AM <br /> 0503533-007C 3129105 11 30 AM 4/01105 1 40 PM 4101/05 1 40 PM 0503533-008C 3/29/05 12 01 PM 4/01105 3 40 PM 4101/05 3 40 PM <br />' 0503533-009C 3/29/05 12 23 PM 4101105 4 23 PM 4101/05 4 23 PM 0503533-OIOC 3129105 12 47 PM 4/01/05 7 59 PM 4101/05 7 59 PM <br /> 0503533-011C 3129/05 1 12 PM 4/01105 8 42 PM 4/01/05 8 42 PM 0503533-012C 3/29105 1 35 PM 4101/05 10 51 PM 4101105 10 51 PM <br /> 0503533-0130 3/29105 12 35 PM 4101/05 11 34 PM 4/01105 11 34 PM <br /> 1 <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent Deviation <br />' %Recovery=100*(MSSample)/(Amount Spiked) RPD=100*(MS- MSD)1((MS+MSD)12) <br /> *MS I MSD spike recoveries and 1 or%RPD may fail outside of laboratory acceptance criteria 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 orb)the spiked samples matrix interferes with the spike recovery <br />' NIA=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 /> boralory extraction solvents such as methyiene chloride and acetone mayoccasionally appear in the method blank at low levels <br />' DHS Certification No 1644 QA/QC Officer <br />