ARCHIVED REPORTS_XR0006944 - Laserfiche WebLink

Home Browse Search

CASTLE 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 Rainwater Car Wash Method EPA 5030/8015M 8020 ' of Northern California Reference Number 5165 Instrument ID Var-GC1 837 Shaw Road Sample Description Water Extracted 10-25-02 Stockton CA 95215 Analyst Jim Phillips Analyzed 10-25-02 Attn Tim Cuellar Reported 10-31-02 r ' QUALITY CONTROL DATA REPORT ' ANALYTE Gasoline MTBE Benzene Toluene Ethyl Benzene Total Xylenes Spike Concentration 110 210 1 32 7 94 1 84 922 Units ug/L ug/L ug/L ug/L ug/L ug/L LCS Batch# VW-0252 VW-0252 VW-0252 VW-0252 VW-0252 VW-0252 LCS %Recovery 118% 916% 910% 917% 101% 958% Surrogate Recovery 978% 964% 964% 964% 964% 964% Control Limits 70-130% 70-130% 70-130% 70-130% 70-130% 70-130% MSIMSD Batch# VW-0252 VW-0252 VW-0252 VW-0252 VW-0252 VW-0252 Spike Concentration 110 210 1 32 794 1 84 922 ' MS%Recovery 106% 104% 102% 914% 101% 962% Surrogate Recovery 102% 991% 991% 991% 991% 991% MSD%Recovery 108% 101% 101% 910% 100% 963% ' Surrogate Recovery 978% 954% 954% 954% 954% 954% Relative% Difference 154% 290% 0789% 0349% 0923% 0064% ' Methanol Blank ND ND ND ND ND ND Surrogate Recovery 951% 970% 970% 970% 970% 970% 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 MSIMSD's are advisory only and are not used to acceptor or reject batch results ANALYST APPROVED BY Clan J Gone am0 C,P rIlrps L oratory Director I