Laserfiche WebLink
i <br />' CASTLE ANALYTICAL LABORATORY <br /> Environmental Testing Services 2333 Shuttle Drive Atwater, CA 95301 Phone (209) 384 2930 <br />' Certificate No 2079 Fax (209} 384 1 507 <br /> Advanced GeoEnvironmental Inc Client Project ID Cal Fuels Method TPH-Diesel <br />' of Northern California Reference Number 1532 Instrument ID HP GC1 <br /> 4005 N Wilson Way Matrix Water Prepared 4 14-98 <br /> Stockton, CA 95205 Analyst Jim Phillips Analyzed 4-17-98 <br /> Attn Tim Cuellar Reported 4-22-98 <br /> QUALITY CONTROL DATA REPORT <br /> 1 <br /> ANALYTE TPH-Diesel <br />' Spike Concentration 250 <br />' Units uglL <br /> LCS Batch # TPHDW-4148 <br />' LCSA % Recovery 103% <br /> LCSB % Recovery 105% <br /> Control Limits 55-130 % <br /> Relative % Difference 1 81% <br /> MS/MSD Batch # TPHDW-4148 <br /> MS % Recovery See Note <br /> MSD % Recovery <br /> Relative % Difference <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 MSIMSD s are advisory only and are not used to accept or <br /> reject batch results <br /> ANALYST vt.'t-- �/ � APPROVED BY� <br /> Clary J Cone Ja es E Phillips <br /> nvrronmental Lab Director <br />