Laserfiche WebLink
' CASTLE ANALYTICAL LABORATORY <br /> Environmental Testing Services 2333 Shuttle Drive Atwater,CA 95301 Phone (209)384-2930 <br /> ' Certificate No 2480 Fax (209)384-1507 <br /> Advanced GeoEnvironmental, Inc Client Project ID Rainwater Car Wash Method TPH-Diesel <br /> of Northern California Reference Number 4951 Instrument ID HP-GC1 <br /> 837 Shaw Road M Matrix Water Prepared 08-09-02 <br /> Stockton,CA 95215 Analyst Jim Phillips Analyzed 08-09-02 <br /> Attn Tim Cuellar Reported 08-21-02 <br /> ' QUALITY CONTROL DATA REPORT <br /> ANALYTE TPH-Diesel <br /> ' Spike Concentration 250 <br /> Units ug/L <br /> ' LCS Batch# TPHDW-8092 <br /> LCSA% Recovery 913% <br /> I ' LCSB% Recovery 118% <br /> i <br /> 10 <br /> Control Limits 55-130% <br /> Relative%Difference 251% <br /> ' MS/MSD Batch# TPHDW-8092 <br /> MS%Recovery See Nate <br /> ' MSD%Recovery See Note <br /> Relative%Difference See Note <br /> ' Note Insufficient sample material to prepare MSIMSD samples LCS samples prepared in duplicate <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 MS/MSD's are advisory only and are not used to accept or <br /> refect batch results <br /> ' ANALYST APPROVED BY <br /> Clan J Cone, Jam Phrlhps <br /> L oratory Director <br /> 1 <br /> I , <br /> I I' ti �� <br />