Laserfiche WebLink
' CASTLE ANALYTICAL LABORATORY <br /> Environmental Testing Services 2333 Shuttle Drive Atwater, CA 95301 Phone (209) 384 2930 <br /> Certificate No 2079 Fax (209) 384-1507 <br /> Advanced GeoEnwronmental, Inc Client Project ID Nomellini Construction Method TPH-Diesel <br /> of Northern California Reference Number 1897 Instrument ID HP-GC1 <br />' 4005 North Wilson Way Matrix Water Prepared 12-15-98 <br /> Stockton, CA 95205 Analyst Jim Phillips Analyzed 12-15-98 <br /> Attn Tim Cuellar Reported 12-21-98 <br />' QUALITY CONTROL DATA REPORT <br /> 1 <br /> ANALYTE TPH Diesel <br />' Spike Concentration 250 <br />' Units ug/L <br /> LCS Batch # TPHDW-D158 <br /> LCSA % Recovery 798% <br />' LCSB % Recovery 85 6% <br /> Control Limits 55-130 % <br /> Relative % Difference 69S% <br />' MS/MSD Batch # TPHDW D158 <br /> I <br /> MS % Recovery See Note <br />' MSD % Recovery See Note <br /> Relative % Difference See Note <br />' Note Insufficient sample material to prepare MS/MSD samples LCS samples prepared in duplicate <br /> The LCS (Laboratory Check Sample) is a control sample of known interferent free matrix that is fortified with representative analytes and <br /> analyzed using the same reagents, preparation and analytical methods employed for the samples The LCS % recovery is used for validation <br /> of sample batch results Due to matrix effects the QC limits and recoveries for MS/MSD's are advisory only and are not used to accept or <br /> reject batch results <br /> � 7 <br /> ANALYST APPROVED BY :4-Z <br /> Clam J ConeJa s C rllrps <br /> vrronmental Lab Director <br />