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1102nd Avenue South 4D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 <br /> http/Iwww mccampbell corn E-mail main n ccampbell corn <br /> QC SUMMARY REPORT FOR SW8260B <br /> Matrix W WorkOrder 0207221 <br /> EPA Method SW8260B Extraction SW5030B BatchlD 2992 Spiked Sample ID 0207221-005B <br /> Sample I Spiked ' MS' MSD' EMS-MSD' LCS LCSD LCS-LCSDIAcceptance Criteria(%) <br /> Compound — — -1 — _— __ ___ + + _ <br /> pg/L. pg/L %o Rec %Rec %RPD %Rec %Rec %RPD Low High <br /> tert Amyl methyl ether(TAME) ND 10 113 106 594 116 116 0 710 70 130 <br /> Methyl-t-butyl ether(MTBE) 1 309 `10 111 104 6 16 121 119 219 70 130 <br /> Diisopropyl ether(DIPE) ND 10 114 109 3 97 127 124 261 70 130 <br /> Ethyl tett-butyl ether(ETBE) ND 10 112 107 443 124 123 1 05 70 130 <br /> %SS 1 108 100 105 105 0 463 856 848 0 885 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method PL with the following exceptions <br /> NONE <br /> Q <br /> a <br /> 0 <br /> a <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 matnx spike and matrix spike duplicate <br /> (�J] 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 <br /> analyte content <br /> Recovery=100'(MS-Sample)/(Amount Spiked),RPD=100'(MS—MSD)/(MS+MSD)"2 <br /> 'MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if a)the sample is inhomogenous AND contains significant concentrations of <br /> Qanalyte relative to the amount spiked or b)if that specific sample matrix interferes with spike recovery <br />