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TRANSMIT 'ION ELECTRON A/I*ROSCOPY <br />ANALYTICAL REPORT <br />Contact: <br />Mr. Ron Bobel <br />Address: <br />Sequoia Analytical - Sacto. <br />AMPH <br />819 Striker Ave. <br />I NON -ASB <br />Sacramento, CA 95834 <br />Job Site / <br />No. <br />S910330 <br />CLIENT SAMPLE # S910330-08 <br />Laboratory Sample # 339-060-001 <br />Report No.: 20974 <br />Date: Nov -05-99 <br />Total Samples Analyzed: 1 <br />Sample Collector: <br />SAMPLE LOCATION <br />P8-1 <br />WATER SAMPLE DATA <br />Date/Time Collected Oct -26-99 <br />Date/Time Lab Received Nov -02-99 11:20 am <br />Date/Time Filtered <br />Date/Time Analyzed <br />Nov -02-99 i 1:45 pm <br />Nov -05-99 4:00 pm <br />IDENTIFIED STRUCTURES (>10um) <br />ASBESTOS <br />OTHER <br />CHRYS1 <br />AMPH <br />AMBIG <br />I NON -ASB <br />NSD I NSD I NSD I NSD <br />COMMENTS <br />Volume Submitted (ml) <br />40 <br />Volume Filtered (ml) <br />1.5 <br />Filter & Pore Size <br />MCE0.22um <br />UV/Ozone Treated: <br />NO <br />CALCULATED ASBESTOS <br />STRUCTURE CONCENTRATION (>10um) <br />CHRYS I AMPH I TOTAL <br />71.7MFL I <1,7MFL <1.7MFL <br />vo Asbestos Detected Filter Loading: HEAVY <br />SAED Photo ID Nos. None Taken <br />TEM / ANALYTICAL PARAMETERS <br />Grid Openings Scanned at 10,000X 8 Analytical Sensitivity 1.7 MFL, <br />Grid Opening Area (mm2) 0.0097 95% UCL 6.4 MFL <br />Scan Area (mm2) 0.0776 95% LCL 0.0 MFL <br />—1 <br />NOTATION KEY <br />Chrys. - Chrysotile Asbestos 1 um = 1 micron= 0.001 mm <br />Amph. - Amphibole Asbestos MFL = Millions of Fibers per Lite A <br />NSD - No Structures Detected UCL = Upper Corifidence Lev <br />1 mm = 1 millimeter LCL = Lower Confidence Le el <br />LAB MANAGER SIGNATURE <br />ASBESTOS TEM LABORATORIES, INC. 1409 FIFTH STREET, BERKELEY, CA 94710 (510) 528-0108 <br />r <br />