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TRANSMISSION ELECTRON MICROSCOPY <br />ANALYTICAL <br />REPORT <br />Modified NIOSH 7402 Method <br />i <br />Contact: Rajan <br />Report No.: 064074 <br />Address: Shaw Environmental & Infrastruture <br />Date: Jul-30-07 <br />2360 Bering Drive <br />Date Received: Jul-30-07 <br />San Jose, CA 95131 <br />Job Site / <br />Total Samples Analyzed: 6 <br />No. <br />SAMPLE LOCATION <br />CLIENT SAMPLE P 17058 <br />Laboratory Sample # 1199400001-001 <br />AIR FILTER DATA <br />AIR PUMP DATA <br />Type MCE0.45um <br />Time (mum) <br />Diameter (mm) 25 <br />Flow Rate (lpm) <br />Area (sq mm) 385 <br />Volume (liters) 912 <br />CALCULATED ASBESTOS <br />STRUCTURE CONCENTRATION <br />IDENTIFIED STRUCTURES <br />Fibers Per CC Air >5um Length <br />ASBESTOS OTHER <br />YS. AMPH. AMBIG. NON-ASB. <br />Width >0.25 um <br />r;ND ND ND <br />< 0.0010 <br />COMMENTS <br />No Asbestos Detected <br />FILTER LOADING: MODERATE <br />SAED PHOTO ID Ps. <br />i <br />TEM / ANALYTICAL PARAMETERS <br />Magnification: 10,000X <br />ANALYTICAL SENSITIVITY <br />i <br />Grid Openings Scanned 45 <br />Structures/sq mm 2.4 <br />Grid Opening Area (sq.mm) 0.0094 <br />Structures/cc 0.001 <br />Scan Area (sq.mm.) 0.42 <br />NOTATION KEY <br />- <br />' <br />Chrys. - Chrysotile Asbestos ND None Detected <br />Amph. - Amphibole Asbestos 1 um = 1 micron= 0.001 mm <br />ANALYST SIGNATURE <br />Ambig. - Ambiguous ID 1 mm = 1 millimeter <br />Non-Asb. - Non-Asbestos 1 cc =1 cubic centimeter <br />* - Effective values when sample has been remobilized. <br />LAB QC REVIEWQZ SIGNATURE <br />ASBESTOS TEM LABORATORIES, INC. 630 BANCROFT WAY, BERKELEY, CA 94710 (510) 704-8930 <br />%v,%&-w.asbestostemlabs.com <br />With Offices in Reno, NV (775) 359-3377 <br />