NYC-WTC_000220345

NYC 9/11 Public Portal Document

sample area TEM Asbestos (dust) Count Sheet analyzed P Client Name: Clean Air Testing Labs, Inc. loiLfc 202032040 Volume (milliters): 300 Lab Samnle #: 06 Dust Sample Area: 10 Client Sample #: D 6 Filter Type / Filter Area: MCE 214 mni2 Received: 03/10/2002 16:00:00 Grid Opening Size?: 0.01 Date Analyzed: 03/12/2002 Area Examined: 0.10000 nini2 ScoES^ 6 Dilution Factor: 0.0033 Magnification: 20,532 _____ ______________________ Accelerating Voltage: 100 KeV Analysis Performed by;______________________________ Aleksaniir Baj^ngolts Location Grid Length Width SAED Photo Opening Fiber gM Fiber Type Morphology EDS OricnL E5-4/1A E5-4/1B 1 NSD nU 2 NSD E5-4/1C 3 NSD U E5-4/1E 4 NSD u E5-4/1F 5 ' 1 , 7 .1 Chrysotile Matrix Mg. Si. Fe \ E5-4/1G 6 NSD u A6-4/1E 7 NSD u A6-4/1F 8 NSD u A6-4/iG 9 NSD u A6-4/1H 10 NSD u

NSD; No Asbestos Structures Detected Q Snis; Structure Density Grid Evaluation Total Grid Openings; 10 (str/sq nun) Grid Openings Covered >50% Chrysotile Asbestos Structures: 1 10.0 KI Intact Grid Opening > 50% Amphibole Asbestos Structures: 0 <10 KI Undissolved Filter < 10% Asbestos Structures >=5 microns; 1 10.0 KI Folded Replica < 50% Total Asbestos Structures; 1 10.0 KI Filter Loading <25% Analytical Sensitivity; 10 KI Particulate Even CITY_21MC100_002885704

NYC-WTC_000220355