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110 2nd Avenue South #D7 Pacheco CA 94553 5560 <br /> Mccatnpbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> ' http/Iwww mecampbell corn E-mail mam@rnecampbell cam <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0303421 <br /> ' EPA Method SW8260B Extraction SW5030B BatchlD 6306 Spiked Sample ID 0303417-007B <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' Compound <br /> pg/L pg/L % Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> Methyl-t-butyl ether(MTBE) ND 10 101 955 553 117 115 210 70 130 <br /> ' Benzene ND 10 117 116 135 114 114 0 284 70 130 <br /> Toluene ND 10 111 til 0 705 120 120 0201 70 130 <br /> ' %SS 955 100 987 991 0 325 948 94 1 0 708 70 130 <br /> %SS 986 100 110 107 2 84 98 3 964 193 70 130 <br /> %SS 971 100 106 106 0 292 95 6 95 8 0 151 70 130 <br /> All target compounds to the Method Blank ofthts extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> lie <br /> I <br /> I <br /> I <br /> 1 <br /> MS=Matrix Spike MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <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 matnx or sample diluted due to high matrix or <br /> ' analyte content. <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100.(MS—MSD)I(LUIS+MSD)'2 <br /> 'MS and/or MSD spike recoveries may not be near 100%or the BPDs near 0%it a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked,or b)If that specific sample matnx interferes with spike recovery <br />