Laserfiche WebLink
CASTLE ANALYTICAL LABORATORY <br />' Environmental Testing Services 2333 Shuttle Drive, Atwater, CA 95301 Phone )209) 384-2930 <br /> Certificate #2079 Fax (209) 384-1507 <br />' Advanced GeoEnvironmental, Inc Client Project ID Pacific Car Wash Method EPA 5030/8015M,8020 <br /> of Northern California Reference Number 1349 Instrument ID Var-GC1 <br /> 4005 North wilson Way Matrix Water Prepared 11-2897 <br /> Stockton, CA 95205 Analyst Jim Phillips Analyzed 11-28-97 <br /> AM Tim Cuellar Reported 12-3-97 <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 00 200 <br /> Units ug/L ug/L ug/L ug/L ug/L ug/L <br /> LCS Batch # VG D047W VB-D047W VB-D047W VB-D047W VB-D047W VB-0047W <br /> LCS % Recovery 847% 930% 859% 949% 95 7% 966% <br /> Surrogate Recovery 986% 966% 966% 966% 966% 966% <br /> Control Limits 70-130 % 70-130 % 70 130 % 70 130 % 70-130 % 70-130 % <br /> MSIMSD Batch # VG-D047W VB-D047W VB D047W VB-D047W VB-D047W VB-D047W <br /> MS % Recovery 85 3% 96 3% 889% 88 3% 924% 924% <br /> Surrogate Recovery 104% 979% 979% 97 9% 979% 979% <br /> MSD % Recovery 81 0% 117% 897% 924% 995% 990% <br /> Surrogate Recovery 100% 101% 101% 101% 101% 101% <br /> Relative % Difference 454% 196% 0 859% 423% 745% 685% <br /> Methanol Blank ND ND ND ND ND NO <br /> Surrogate Recovery 108% 108% 108% 108% 108% 108% <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 /> of sample batch results Due to matrix effects, the OC limits and recoveries for MS/MSD's are advisory only and are not used to accept or <br /> refect batch results <br /> ANALYST APPROVED BY <br /> Clary J Cone J s P !flips <br /> Environmental Lab Director <br /> L <br />