Laserfiche WebLink
CASTLE ANALYTICAL LABORATORY <br /> Environmental Testing Services 2333 Shuttle Drive, Atwater, CA 95301 Phone {2091 384-2930 <br /> Fax 12091384-1507 <br /> Advanced GeoEnvironmental, Inc Client Project ID Pie Nationwide Method EPA 5030/8015M,8020 <br /> of Northern California Reference Number 1 118 Instrument ID Var GC1 <br /> 1803 West March Lane, Suite A Matrix Sod Prepared 5-16-97 <br /> Stockton CA 95207 Analyst Clan Cone Analyzed 5-19-97 <br /> Attn Tim Cuellar Reported 5-27-97 <br /> I <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Benzene Toluene Ethyl Benzene Xylenes <br /> Spike Concentration 2000 200 200 400 <br /> Units ug/kg ug/kg ug/kg ug/kg <br /> ILCS Batch # V8 5167 VB-5167 VB-5167 VB 5167 <br /> LCS % Recovery 949% 95 7% 93 3% 96 5% <br /> Surrogate Recovery 104% 104% 104% 104% <br /> Control Limits 70-130 % 70-130 % 70-130 % 70 130 % <br /> MS/MSD Batch # VB 5167 VB-5167 VB-5167 VB-5167 <br /> MS % Recovery 85 0% 644% 81 7% 720% <br /> Surrogate Recovery 103% 103% 103% 103% <br /> MSD % Recovery 797% 59 3% 75 2% 657% <br /> Surrogate Recovery 974% 97 4% 974% 974% <br /> Relative % Difference 6 21% 5 63% 7 72% 723% <br /> Methanol Blank ND IND ND ND <br /> Surrogate Recovery 103% 103% 103% 103% <br /> Please Note <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 QC limits and recoveries for MSIMSD's are advisory only and are not used to accept or <br /> reject batch results <br /> ANALYSTIIIX49�� APPROVED BY <br /> Clan J ConeX mes C Phrlkps <br /> Environmental Lab Director <br />