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NOTATION KEY <br />Chrys. - Chrysotile Asbestos ND - None Detected '4&oux- &.,, <br />Amph. - Amphibole Asbestos 1 um = 1 micron = 0.001 mm ANALYST SIGNATURE <br />mbig. - Ambiguous ID 1 mm = 1 millimeter <br />on-Asb. - Non -Asbestos 1 cc = I 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 (775) 359-3377 <br />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 />Date Received: May -11-12 <br />Oakdale, CA 95361 <br />Job Site / FORWARD LANDFILL <br />5 <br />No. <br />Total Samples Analyzed: <br />CLIENT SAMPLE # STATION D / 1.5 LPM <br />SAMPLE LOCATION <br />Laboratory Sample # 1323-00005-004 <br />AIR FILTER DATA <br />AIR PUMP DATA <br />MCE 0.45um <br />Type <br />Sampling Date 050412 <br />Time (min) 565 <br />Diameter (mm) 25 <br />Flow Rate (Ipm) 1.5 <br />Areas mm 385 <br />(q ) <br />Volume (titers) 847.5 <br />CALCULATED ASBESTOS <br />FIBER CONCENTRATION <br />IDENTIFIED FIBERS <br />Fibers Per CC Air >5um Length <br />ASBESTOS OTHER <br />A AMBIG. NON -ASB. <br />Width >0.25 um <br />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 '4&oux- &.,, <br />Amph. - Amphibole Asbestos 1 um = 1 micron = 0.001 mm ANALYST SIGNATURE <br />mbig. - Ambiguous ID 1 mm = 1 millimeter <br />on-Asb. - Non -Asbestos 1 cc = I 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 (775) 359-3377 <br />