ARCHIVED REPORTS_XR0011438 - Laserfiche WebLink

Home Browse Search

I, AlilftIC-A, ANALYTICAL LABORATORY Environmental Testing Services 2333 Shuttle Drive, Atwater,CA 95301 Phone: (209)384-2930 1 Certificate#2079 Fax: (209)384-1507 Advanced GeoEnvironmental, Inc. Client Project ID: Grewal's Market Method: EPA 5030/8015M,8020 of Northern California Reference Number:2813 Instrument ID:Var-GC1 4005 North Wilson Way Metrix:Soil Prepared: 2-10-00 Stockton,CA 95205 Analyst: Clari Cone Analyzed: 2-10-00 Attn:Tim Cuellar Reported: 2-16-00 QUALITY CONTROL DATA REPORT ' ANALYTE Gasoline MTBE Benzene Toluene Ethyl Benzene Total Xylenes ' Spike Concentration: 2.20 42.1 30.1 150 36.5 179 Units: mg/kg ug/kg ug/kg ug/kg ug/kg ug/kg ' LCS Batch#: VS-2100 VS-2100 VS-2100 VS-2100 VS-2100 VS-2100 LCS %Recovery: 89.0% 66.3% 70.7% 70.9% 74.6% 69.4% Surrogate Recovery: 101% 93.1% 93.1% 93.1% 93.1% 93.1% Control Limits: 70-130% 70-130% 70-130% 70.130% 70-130% 70-130% ' MS/MSD Batch#: VS-2100 VS-2100 VS-2100 VS-2100 VS-2100 VS-2100 t MS%Recovery: 79.3% 134% 45.8% 53.5% 55.5% 52.7% Surrogate Recovery: 76.4% 67.5% 67.5% 67.5% 67.5% 67.5% MSD% Recovery: 60.8% 92.8% 48.3% 55.7% 57.6% 54.6% ' Surrogate Recovery: 72.6% 64.7% 64.7% 64.7% 64.7% 64.7% Relative% Difference: 25.2% 30.4% 4.81% 4.04% 3.42% 3.30% ' Methanol Blank : ND ND ND ND ND ND Surrogate Recovery: 77.2% 70.6% 70.6% 70.6% 70.6% 70.6% Please Note: The LCS(Laboratory Check Sample)is a control sample of known, interferent free matrix that is fortified with representative analytes and analyzed using the same reagents, preparation and analytical methods employed for the samples. The LCS%recovery is used for validation of sample batch results. Due to matrix effects,the OC limits and recoveries for MSlMSD's are advisory only and are not used to accept or reject batch results. ANALYST: APPROVED BY: ' Clam J. one iqdnes C. Phillips nvironmental Lab Director