ARCHIVED REPORTS_XR0008072 - Laserfiche WebLink

Home Browse Search

' CAST . LE ANALYTICAL LABORATORY Environmental Testing Services 2333 Shuttle Drive,Atwater,CA 95301 Phone (209)384-2930 Certificate#2480 Fax (209)384-1507 Advanced GeoEnvironmental, Inc Client Protect ID Pac Car Wash Method EPA 503018015M,8020 of Northern California Reference Number 6371 (1-20) Instrument ID Var-GC1 837 Shaw Road Sample Description Water Extracted 12-05-03 Stockton, CA 95215 Analyst Jim Phillips Analyzed 12-05-03 ' Attn Tim Cuellar Reported 12-18-03 ' QUALITY CONTROL DATA REPORT ' ANALYTE Gasoline MTBE Benzene Toluene Ethyl Benzene Total Xylenes ' Spike Concentration 110 1 56 094 7 19 1 84 922 Units uglL ug/L ug/L ug/L ug/L ug/L LCS Batch# VW-D053 VW-D053 VW-DO53 VW-D053 VW-DO53 VW-D053 LCS %Recovery 967% 999% 980% 986% 105% 103% Surrogate Recovery 103% 1111% 101% 101% 101% 101% ' Control Limits 70-130% 70-130% 70-130% 70-130% 70-130% 70-1-30% ' MS/MSD Batch# VW-DO53 VW D053 VW-D053 VW-D053 VW-DO53 VW-DO53 Spike Concentration 110 1 56 0 938 719 1 84 922 ' MS % Recovery 899% 669% 861% 959% 102% 101% Surrogate Recovery 103% 104% 104% 104% 104% 104% MSD% Recovery 91 3% 728% 869% 957% 100% 101% Surrogate Recovery 100% 999% 999% 999% 999% 999% Relative% Difference 144% 765% 0900% 0299% 1 45% 0 112% ' Methanol Blank ND ND ND ND ND ND Surrogate Recovery 946% 954% 954% 954% 954% 954% 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 MS/MSD's are advisory only and are not used to accept or reject batch results I ANALYST APPROVED BY ' Cla Cone Jamesq Phillips /laboratory Director I