Laserfiche WebLink
' 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 Top Filling Method EPA 5030/8015M,8020 <br />' of Northern California Reference Number 4758 Instrument ID Var-GC1 <br /> 837 Shaw Road Sample Description Water Extracted 06-09-02 <br /> Stockton CA 95215 Analyst Jim Phillips Analyzed 06-09-02 <br /> Attn Tim Cuellar Reported 06-17-02 <br /> 1 <br /> QUALITY CONTROL DATA REPORT <br />' ANALYTE Gasoline MTBE Benzene Toluene Ethyl Benzene Total Xylenes <br />' Spike Concentration 110 210 1 32 794 1 84 122 <br /> Units ug/L ug/L ug/L ug/L ug/L ug/L <br />' LCS Batch# VW-6092 VW-6092 VW-6092 VW-6092 VW-6092 VW-6092 <br /> LCS % Recovery 113% 903% 963% 91 3% 917% 957% <br /> Surrogate Recovery 103% 123% 123% 123% 123% 123% <br />�. Control Limits 70-130% 70-130% 70-130% 70-130% 70-130% 70-130% <br /> MSIMSD Batch# VW-6092 VW-6092 VW-6092 VW-6092 VW-6092 VW-6092 <br /> Spike Concentration 110 2 10 1 32 794 1 84 922 <br />' MS%Recovery 944% 107% 997% 876% 885% 878% <br /> Surrogate Recovery 102% 105% 105% 105% 105°/a 105% <br /> MSD% Recovery 994% 125% 993% 897% 924% 907% <br />' Surrogate Recovery 102% 103% 103% 103% 103% 103% <br /> Relative%Difference 4 81% 154% 0427% 235% 4 21% 309% <br />' Methanol Blank ND ND ND ND ND ND <br /> Surrogate Recovery 107% 105% 105% 105% 105% 105% <br /> i <br /> The LCS (Laboratory Check Sample)is a control sample of known, interferent free matnx 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 IVIS/MSD's are advisory only and are not used to accept or <br /> reject batch results <br />' ANALYST L, APPROVED BY <br /> Clan J Cane J es hrllrps <br /> ,"laboratory Director <br /> 1 <br /> w <br />