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1 l0 2nd Avenue South,t�D7,Pacheco CA 44553-5560 <br /> McCal?lpbe�l Analytical Tnc Telephone 925-798-1620 Fax 925-798-1622 <br /> http Ilwww mccampbell coin E-mail main©mccampbtll coin <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0302345 <br /> EPA Method SW8260B Extractton SW6030B BatchlD 5995 Spiked Sample ID 0302333-002A <br /> Sample Spiked MS' MSD* MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound <br /> Ng/L Ng/L % Rec %Rec % RPD %Rec %Rec %RPD Low I High <br /> Benzene ND 10 115 111 3 84 109 108 106 70 130 <br /> tert-Amyl methyl ether(TAME) ND 10 112 109 2 35 98 8 911 111 70 130 <br /> Methyl-t-butyl ether(MTBE) ND 10 948 903 4 93 105 98 7 6 16 70 130 <br /> Toluene ND 10 958 992 3 45 98 8 972 161 70 130 <br /> Dusopropyl ether(DIPE) ND to 986 94 6 4 13 111 107 3 61 70 130 <br /> Ethyl tert-butyl ether(ETBE) ND 10 95 2 919 3 51 105 995 503 70 130 <br /> %SSI 117 100 108 103 3 93 106 100 5 12 70 130 <br /> %SS2 107 100 994 102 3 04 112 110 140 70 130 <br /> %SS3 88 9 100 834 84 0 741 97 1 954 1 74 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 /> MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> . <br /> NA=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 /> %Recovery=100•(MS-Sample)/(Amount Spiked) RPD=100`(MS—MSD)/(MS+MSD)'2 <br /> 'MS and for NASD spike recovenes may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked orb)if that specific sample matrix interferes with spike recovery <br />