Laserfiche WebLink
1 <br /> CASTLE ANALYTICAL LABORATORY <br />' Environmental Testing Services 2333 Shuttle Drive,Atwater, CA 95301 Phone (209)384-2930 <br /> Certificate#2480 Fax (209)384-1507 <br />' Advanced GeoEnvironmental Inc Client Protect ID Flame Mini Mart Method EPA 6030/8015M 8020 <br /> of Northern California Reference Number 5922 Instrument ID Var-GC1 <br /> 837 Shaw Road Sample Description Water Extracted 07-30-03 <br /> Stockton CA 95215 Analyst Jim Phillips Analyzed 07-30-03 <br /> Alin Tim Cuellar Reported 08-08-03 <br />' QUALITY CONTROL DATA REPORT <br />' ANALYTE Gasoline MTBE Benzene Toluene Ethyl Benzene Total Xylenes <br />' Spike Concentration 110 2 10 1 32 794 1 84 922 <br /> Units ug1L ug/L ug/L uglL uglL uglL <br /> LCS Batch# VW-7303 VW-7303 VW-7303 VW-7303 VW-7303 VW-7303 <br /> LCS % Recovery 967% 778% 834% 902% 979% 968% <br /> Surrogate Recovery 103% 103% 103% 103% 103% 103% <br /> Control Limas 70-130% 70-130% 70-130% 70-130% 70-130% 70-130% <br />' MSIMSD Batch# VW-7303 VW-7303 VW-7303 VW-7303 VW-7303 VW-7303 <br /> Spike Concentration 110 2 10 1 32 794 1 844 922 <br /> I MS %Recovery 788% 899% 954% 945% 101% 995% <br /> Surrogate Recovery 105% 145% 105% 105% 105% 105% <br /> MSD% Recovery 746% 976% 923% 907% 100% 983% <br />' Surrogate Recovery 105% 103% 103% 103% 103% 103% <br /> Relative%Difference 469% 668% 316% 385% 0922% 1 15% <br /> Methanol Blank ND No IND ND ND ND <br /> Surrogate Recovery 931% 94 1% 941% 941% 941% 941% <br /> I <br /> The LCS(Laboratory Check Sample) is a control sample of known interferent free matrix that is fortified with representative analytes and <br /> I 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 /> I <br /> ANALYST 12iml APPROVED BY <br /> Clan J Cone Jam Phillips <br /> La ratory Director <br />