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TRANSMISSION ELECTRON MICROSCOPY <br /> ANALYTICAL REPORT <br /> Modified NIOSH 7402 Method <br /> Contact: Krisneil Nair Report No.: 384026 <br /> Address: Del-Tech Geotechnical Support,Inc. Date Created: May-06-23 <br /> 10624 Olive Avenue Date Collected: 042823 <br /> Oakdale,CA 95361 Date Received: May-04-23 <br /> Job Site/ Forward Landfill <br /> No. <br /> Total Samples Analyzed: 5 <br /> CLIENT SAMPLE # Station B SAMPLE LOCATION <br /> Station B <br /> Laboratory Sample# 1323-00028-002 QC#E] <br /> AIR FILTER DATA AIR PUMP DATA <br /> Type MCE 0.45um Sampling Date 042823 <br /> Diameter(mm) 25 Time(min) 570 <br /> Flow Rate(lpm) 2.0 <br /> Area(sq mm) 385 <br /> Volume(liters) 1140 <br /> CALCULATED ASBESTOS <br /> FIBER CONCENTRATION <br /> IDENTIFIED FIBERS <br /> ASBESTOS I OTHER Fibers Per CC Air>5um Length <br /> CHRYS. AMPH. I AMBIG. I NON-ASB. Width>0.25 um <br /> __j <br /> ND 4 ND io 0.0034 <br /> COMMENTS <br /> Actinolite Asbestos Detected.Non-Regulated Amphibole(2 Hornblende) FILTER LOADINGMODERATE <br /> Observed. <br /> SAED PHOTO ID Vs. <br /> TEM/ANALYTICAL PARAMETERS <br /> Magnification: 20,000X ANALYTICAL SENSITIVITY <br /> Grid Openings Scanned 40 Structures/sq mm 2.5 <br /> Grid Opening Area(sq.mm) 0.0099 Structures/cc 0.0009 <br /> Scan Area(sq.mm.) 0.4 <br /> NOTATION KEY M 7-2 <br /> Chrys.-Chrysotile Asbestos ND-None Detected <br /> Amph.-Amphibole Asbestos 1 um= 1 micron=0.001 mm Analyst <br /> Ambig. -Ambiguous ID 1 mm= 1 millimeter <br /> Non-Asb.-Non-Asbestos 1 cc= 1 cubic centimeter <br /> ASBESTOS TEM LABORATORIES,INC. 3431 Ettie St.,Oakland,CA 94608 (5 10)704-8930 <br /> www.asbestostemlabs.com With Offices in Reno,NV(775)359-3377 <br />