NYC-WTC_000207686

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1928 Lab Group #: S759 Filter Type / Filter Area: MCE 385 mm- LabSample^ 2 Grid Opening Size: 0.01124

Client Sample #: 02 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 8/25/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 7 EDS (Nonadb No F B C M >=05 p )>-5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

zs

‘Struct = > 0.5 p _> 5:1 Aspect Ratio Gnd acceptance: a/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate

EDS spectrum conforming to laboratory least 20 unfolded or overlapped grid squares <5% F B c M holes or opaque areas identification criteria observed Chrysotile 'amphiboles Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C - Cluster (>3 Intersections) , Anthophyllite Non-Asbestos Tremolite M - Matrix Non-Identified Actinolite NSU = No Structures Detected

CITY_21MC1OO_OO3O15668

NYC-WTC_000207686