Laserfiche WebLink
' CASTLE ANALYTICAL LABORATORY <br /> NW Environmental Testing Services 2333 Shuttle Drive Atwater, CA 95301 Phone: 1209► 384-2930 <br /> ' Certificate No. 2079 Fax: 12091 384-1507 <br /> Advanced GeoEnvironmental, Inc. Client Project ID: Paiges Towing Method: TPH-Diesel <br /> of Northern California Reference Number: 2188 Instrument ID: HP-GC1 <br /> ' 4005 North Wilson Way Matrix: Water Prepared:4-14-99 <br /> Stockton, CA 95205 Analyst: Jim Phillips Analyzed: 4-15-99 <br /> Attn: Tim Cuellar Reported: 4-23-99 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE TPH-Diesel <br /> ' Spike Concentration: 250 <br /> ' Llnits: uglL <br /> LCS Batch #: TPHDW-4149 <br /> ' LCSA % Recovery: 81.5% <br /> LCSB % Recovery: 74.8% <br /> lie Control Limits: 55-130 % <br /> Relative % Difference: 8.56% <br /> ' MS/MSD Batch #: TPHDW-4149 <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 OC limits and recoveries for MS/MSD's are advisory only and are not used to accept or <br /> ' reject batch results. <br /> ANALYST; 60-if APPROVED BY: <br /> a."J." <br /> e J/ Ja es . P rllip <br /> ' flEnvironmental Lab Director l <br />