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TRANSMISSION ELECTRON MICROSCOPY <br />ANALYTICAL REPORT <br />Modified NIOSH 7402 Method <br />Contact: Don Light <br />Report No.: 309808 <br />Address: Del -Tech Geotechnical Support <br />Date: May -21-12 <br />645 N. Yosemite Ave <br />Oakdale, CA 95361 <br />Date Received: May -I 1-12 <br />Job Site / FORWARD LANDFILL <br />No. <br />Total Samples Analyzed: 5 <br />CLIENT SAMPLE # STATION A / 1.5 LPM <br />SAMPLE LOCATION <br />Laboratory Sample # 1323-00005-001 <br />AIR FILTER DATA <br />AIR PUMP DATA <br />Type MCE 0.45um <br />Sampling Date 050412 <br />Time (min) 570 <br />Diameter (mm) 25 <br />Flow Rate (Ipm) 1.5 <br />Area (sq mm) 385 <br />Volume (liters) 855 <br />CALCULATED ASBESTOS <br />FIBER CONCENTRATION <br />IDENTIFIED FIBERS <br />Fibers Per CC Air >5m Length <br />ASBESTOS OTHER <br />R. AMBIG. NON -ASB. <br />Width >0.25 um <br />ND ND ND <br />< 0.0012 <br />COMMENTS <br />No Asbestos Detected <br />FILTER LOADING: MODERATE <br />SAED PHOTO ID #'s. <br />TEM / ANALYTICAL PARAMETERS <br />Magnification: 15,000X <br />ANALYTICAL SENSITIVITY <br />Grid Openings Scanned 40 <br />Structures/sq mm 2.6 <br />Grid Opening Area (sq.mm) 0.0095 <br />Structures/cc 0.0012 <br />Scan Area (sq.mm.) 0.38 <br />NOTATION KEY <br />Chrys. - Chrysotile Asbestos ND - None Detected <br />Amph. - Amphibole Asbestos 1 um = 1 micron = 0.001 mm <br />ANALYST SIGNATURE <br />mbig. - Ambiguous ID i mm = 1 millimeter <br />on-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 <br />With Offices in Reno, NV (775) 359-3377 <br />