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NYC-WTC_000210666

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NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet sample area analyzed B Client Name: ACS Environmental Services, Inc. Job #: 201112986 Volume (liters): 1 440.0 Lab Sample #: 02 Filter Type / Filter Area: MCE 385 mm2 Client Sample #: 0225.31-17 Grid Opening Size: 0,01 SIRB Received: 11/19/2001 14:41:52 Area Examined: 0.06000 mm2 Date Analyzed: 11/20/2001 Magnification: 20;153 Scope #: Accelerating Voltage: 100 KeV Analysis Performed by: Roman Peysakhov Gnd Length Width Locatton Opening Fiber /XM gM Fiber Type Morphology EDS Orient SAED Photo A1-4/3C 1 NSD u A1-4/3E 2 NSD u A1-4/3F 3 NSD u A2-5/1C 4 NSD u A2-5/1E 5 NSD u A2-5/1F 6 NSD u

NSD; No Asbestos Structures Detected Comments Structure Density Concentration Total Grid Openings; 6 (str/mm2) (str/cc air) Grid Evaluation Chrysotile Asbestos Structures: 0 <16.7 <0.0045 Grid Openings Covered >50% Amphibole Asbestos Structures: 0 <16.7 <0.0045 Intact Grid Opening > 50% Asbestos Structures >=5 microns: 0 <16.7 <0.0045 Undissolved Filter < 10% Total Non-Asbestos Structures: Folded Replica < 50% Total Asbestos Structures: 0 <16.7 <0 0045 13 Filter Loading < 10% Analytical Sensitivity: 16.7 0.0045 3 Particulate Even

CITY_21MC100_0 02850396

NYC-WTC_000210666

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NYC-WTC_000210666Source: NYC Law Department, mirrored locally

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