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 Project ID Pacific Carwash Method EPA 5030/8015M 8020 <br />' of Northern California Reference Number 7014(21-24) Instrument 1D Var-GC1 <br /> 837 Shaw Road Sample Description Water Extracted 06-08-04 <br /> Stockton CA 95215 Analyst Jim Phillips Analyzed 06-08-04 <br /> Attn Tim Cuellar Reported 06-11-04 <br />' QUALITY CONTROL DATA REPORT <br />' ANALYTE Gasoline MTBE Benzene Toluene Ethyf Benzene Total Xylenes <br /> Spike Concentration 110 2 10 1 32 794 1 84 922 <br />' Units ug/L ug/L ug/L ug/L ug/L ug1L <br /> LCS Batch# VW-6084 VW-6084 VW-6084 VW-6084 VW-6084 VW-6084 <br /> ILCS % Recovery 100% 113% 103% 962% 104% 102% <br /> Surrogate Recovery 101% 989% 989% 98 9% 989% 989% <br /> Control Limits 70-130 % 70-130% 70-130 % 70-130% 70-130 % 70-130% <br />' MS/MSD Satch# VW-6084 VW-6084 VW-6084 VW-6084 VW-6084 VW-6084 <br /> Spike Concentration 110 210 1 32 7 94 1 84 922 <br />' MS % Recovery 107% 930% 964% 101% 106% 106% <br /> Surrogate Recovery 106% 106% 106% 106% 106% 106% <br /> MSD % Recovery 106°/a 994% 99 1% 992% 104% 105% <br /> Surrogate Recovery 106% 105% 105% 105% 105% 105% <br /> Relative % Difference 0860% 6 62% 270% 204% 1 35% 130% <br />' Method Blank ND ND ND ND ND ND <br /> Surrogate Recovery 908% 900% 900% 900% 900% 9C 0% <br /> The LCS(Laboratory Check Sample)is a control sample of known interferent free matrix that fortified fled 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 /> or sample patch 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 /> r <br /> APPROVED BY APPROVED BY <br /> Clary J Cone Jame C lips <br /> Laboratory Manager Lab ratory Director <br />