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TRANSMISSION ELECTRON MICROSCOPY <br /> ANALYTICAL <br /> ® Modified NIOSH 7402 Method <br /> Contact: Don Light Report No.: 088391 <br /> Address: Del-Tech Geotechnical Support Date: Jan-03-11 <br /> 645 N.Yosemite Ave <br /> Date Received: Dec-17-10 <br /> Oakdale,CA 95361 <br /> Job Site/ Austin Landfill 5 <br /> No. Fall 2010 Asbestos Total Samples Analyzed: <br /> CLIENT SAMPLE # C SAMPLE LOCATION <br /> Down Gradient 150' <br /> Laboratory Sample# 1323-00002-003 <br /> AIR FILTER DATA AIR PUMP DATA <br /> Type MCE 0.45um Time(min) 680 <br /> Diameter(mm) 25 Flow Rate(lpm) 1.77 <br /> Area(sq mm) 385 Volume(liters) 1203.6 <br /> CALCULATED ASBESTOS <br /> IDENTIFIED STRUCTURES <br /> STRUCTURE CONCENTRATION <br /> �® <br /> ASBESTOS OTHER Fibers Per CC Air>5um Length <br /> CHRYS. AMP AMBIG. NON-ASB. Width>0.25 um <br /> IL ND Mil <br /> ND ND < ®s®®®O <br /> COMMENTS <br /> No Asbestos Detected FILTER LOADING: MODERATE <br /> SAED PHOTO ID#'s. <br /> TEM/ANALYTICAL PARAMETERS <br /> Magnification: 10,000X ANALYTICAL SENSITMTY <br /> Grid Openings Scanned 40 Structures/sq mm 2.6 <br /> Grid Opening Area(sq.mm) 0.0097 Structures/cc 0.0008 <br /> Scan Area(sq.mm.) 0.39 <br /> NOTATION KEY <br /> Chrys.-Chrysotile Asbestos ND-None Detected <br /> Amph.-Amphibole Asbestos 1 urn=1 micron=0.001 nun ANALYST SIGNATURE <br /> Ambig.-Ambiguous ID 1 mm=1 millimeter <br /> iNon-Asb.-Non-Asbestos 1 cc=1 cubic centimeter <br /> *-Effective values when sample has been remobilized. <br /> ASBESTOS TEM LABORATORIES,INC. 630 BANCROFT WAY,BERKELEY, CA 94710 (510)704-8930 <br /> www.asbestostemlabs.com With Offices in Reno,NV(7 75) 359-3377 <br />