Laserfiche WebLink
CASTLE ANALYTICAL LABORATORY <br /> Environmental Testing Services P.O. Box 1360, Winton, CA. 95388 Phone: {2091 384-2930 <br /> ' Fax; 12091 334-1507 <br /> Certificate #2079 ` <br /> Advanced Geolinvironn-ental, Inc. Client Project ID: 95-0197 Method: EPA 503018015M,8020 <br /> ' of Northern California Reference Number: 663 Instrument ID: Var-GC1 <br /> 1803 West March Lane, Suite A Matrix:Water Prepared: 2-5-96 <br /> Stockton, CA 95207 Analyst: Jim Phillips Analyzed: 2-5-96 <br /> Attn: Tim Cuellar Reported: 2-7-96 <br /> 1 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Gasoline MTBE Benzene Toluene Ethyl Benzene Total Xylenes <br /> ' Spike Concentration: 100 1.00 1.00 1.00 1.00 3.00 <br /> Units: uglL uglL uglL uglL ug/L uglL <br /> LCS Batch #: VG-2066W VB-2056W VB-2056W VB-2056W VB-2056W VB-2056W <br /> LCS % Recovery: 99.4% 112% 1000/0 97.1% 101% 101% <br /> Surrogate Recovery: 99.4% 100% 99.8% 99.8% 99.8% 99.8% <br /> Control Limits: 70-130 % 70-130 % 70-130 % 70-130 % 70-130 % 70-130 % <br /> MSIMSD Batch #: VG-2056W VB-2056W VB-2056W VB-2056W VB-2056W VB-2056W <br /> MS % Recovery: 163% 109% 101% 95.6% 103% 104% <br /> ' Surrogate Recovery: 100% 102% 102% 102% 102% 102% <br /> MSD % Recovery: 227% 100% 107% 90.4% 97.9% 98.3% <br /> Surrogate Recovery: 97.3% 103% 103% 103% 103% 103% <br /> ' Relative % Difference: 30.5% 9.04% 4.73% 5.05% 5.09% 5.22% <br /> ' Methanol Blank : ND NO NO ND NO NO <br /> Surrogate Recovery: 102% 104% 104% 104% 104% 104% <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 /> t 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: � APPROVED BYjJe— <br /> ' Clari J. Cone / C. Phillipsmental Lab Director <br /> Environmental Lab Director <br />