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0 • <br /> MATRIX SPIKE SAMPLE EVALUATION REPORT <br /> GC Volatiles <br /> Client Lot #--.: G4ID20177 Work Order #. -- : GPGG31AF-MS Matrix.. ... .... : SOLID <br /> MS Lot-Sample #: G41020181-001 GPGG31AG-MSD <br /> Date Sampled...: 09/01/04 Date Received..: 09/02/04 <br /> Prep Date... . .. : 09/10/04 Analysis Date..: 09/10/04 <br /> Prep Batch #. . . : 4259299 <br /> Dilution Factor: 1 $ Moisture. .. ..: 5.8 <br /> PERCENT RECOVERY RPD <br /> PARAMETER RECOVERY LIMITS RPD LIMITS METHOD <br /> Methyl tert-butyl ether 87 (72 - 104) DHS CA LUFT <br /> 89 (72 - 104) 1.7 (0-25) DHS CA LUFT <br /> Benzene 92 (80 - 113) DHS CA LUFT <br /> 98 (80 - 113) 6.5 (0-27) DHS CA LUFT <br /> Ethylbenzene 79 (76 - 114) DHS CA LUFT <br /> 79 (76 - 114) 0.23 (0-30) DHS CA LUFT <br /> Toluene 83 (79 - 113) DHS CA LUFT <br /> 87 (79 - 113) 3.8 (0-26) DHS CA LDPT <br /> m-Xylene & p-Xylene 75 a (76 - 112) DHS CA LUFT <br /> 75 a (76 - 112) 0.28 (0-33) DHS CA LUFT <br /> o-Xylene 77 (77 - 111) DHS CA LUFT <br /> 76 a (77 - 111) 1.3 (0-28) DHS CA LUFT <br /> PERCENT RECOVERY <br /> SURROGATE RECOVERY LIMITS <br /> 4-Bromofluorobenzene 80 (40 - 160) <br /> 85 (40 - 160) <br /> NOTE(S) <br /> Calculations are performed before rounding to avoid round-off errors in calculated results. <br /> Bold print denotes control parameters <br /> Results and reporting limits have been adjusted for dry weight. <br /> a Spiked analyte recovery is outside stated control limits. <br /> G4i020177 STL-Sacramento(916)373-5600 12 of 33 <br />