Laserfiche WebLink
CASTLE ANALYTICAL LABORATORY <br /> Environmental Testing Seances 2333 Shuttle Drive, Atwater,CA 95301 Phone (209) 384-2930 <br /> Certificate#2480 Fax (209) 384-1507 <br /> California Geophysical Client Project ID Beneto#8 Method EPA 503018015M 8020 <br /> P O Box 578341 Reference Number 8367 Instrument ID Var-GCI <br /> Modesto CA 95357 Matrix Sod Extracted 07-22-05 <br /> Attn John Cussen Analyst Clan Cone Analyzed 07-22-05 <br /> Reported 08-08-05 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Gasoline MTBE Benzene Toluene Ethyl Benzene Total Xylenes <br /> i <br />' Spike Concentration 220 452 272 153 36 8 178 <br /> Units mg/kg ug/kg ug/kg ug/kg ug/kg ug/kg <br /> i <br /> LCS Batch# VS-7225 VS-7225 VS-7225 VS-7225 VS-7225 VS-7225 <br /> I <br /> LCS %Recovery 109% 887% 989% 990% 102% 1026% <br /> Surrogate Recovery 9119%, 912% 972% 972% 972% 972/6 <br /> Control Limits 70-130% 70-130% 70-130% 70-130% 70-130% 70-130% <br />' MS/MSD Batch# VS-7225 VS-7225 VS-7225 VS-7225 VS-7225 VS-7225 <br /> MS%Recovery 710% 73 1% 831% 81 7% 845% 846% <br /> Surrogate Recovery 819% 806% 806% 806% 806% 806% <br /> MSD%Recovery 831% 792% 816% 837% 861% 863% <br /> Surrogate Recovery 827% 81 0% 810% 81 0% 81 0% 810% <br /> Relative% Difference 145% 802% 179% 243% 1 90% 2 01% <br /> Method Blank ND ND ND ND ND ND <br /> Surrogate Recovery 107% 109% 109% 109% 109% 109% <br /> Please Note <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 /> I 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 />' 4 <br /> APPROVED BY aa APPROVED BY <br /> Clary J Cone James C Phillips <br />' Laboratory Manager Laboratory Director <br />