NYC-WTC_000220345

NYC 9/11 Public Portal Document

sample area TEM Asbestos (dust) Count Sheet analyzed e Client Name: Clean Air Testing Labs, Inc. Job#; 202032040 Volume fmi {liters): 50 Lab Sample #: 05 Dust Sample Area: 10 Client Sample #: D 5 Filter Type / Filter Area: MCE 214 mm2 Received: 03/10/2002 16:00:00 Grid Opening Size: 0.01000 Date Analyzed: 03/12/2002 Area Examined: 0.10000 mm2 Scope #: 6 Dilution Factor: 0.0200 Magnification: 20/ESS __________________________ Accelerating Voltage: lOQ KeV Analysis Performed by:_____ Aleksakbr Barengolts Location Grid Opening Fiber Length Width pM Fiber Type Morphology EDS Orient, SAED Photo E3-4/1B 1 NSD n E3-4/1C 2 NSD u E3-4/1E 3 NSD u E3-4/1F 4 NSD u E3-4/1G 5 NSD u E3-4/1H 6 NSD LI E4-4/4C 7 NSD u E4-4/4E 8 NSD u E4-4/4F 9 NSD u E4-4/4G 10 NSD u

NSD: No Asbestos Structures Detected Comments: Structure Density Grid Evaluation Total Grid Openings: 10 (str/sq mm) 13 Grid Openings Covered > 50% Chrysotile Asbestos Structures: 0 <10 Intact Grid Opening > 50% Amphibole Asbestos Structures: 0 <10 E! Undissolved Filter < 10% Asbestos Structures >=5 microns: 0 <10 KI Folded Replica < 50% Total Asbestos Structures: 0 <10 KI Filter Loading < 25% Analytical Sensitivity: 10 K Particulate Even

CITY_21MC1OO_OO2885713

NYC-WTC_000220364