NYC-WTC_000202256

NYC 9/11 Public Portal Document

TEM Asb estos tairT Count Sheet Client Name: i NYCBGE : Volume (liters): 1928 . Lab Group #: Filter Type / Filter Area: MCE 385 Lab Sample #: :3 Grid Opening Size: 0,01124 Client Sample #: D3 Area Examined: 0.04496 GRID BOX: i Magnification: 2Q,000 GRID ID: Accelerating Voltage: iOGKeV # Grid Openings: 4 Analysis Date: i/18/02

Analysis Performed By: gp ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or A EDS No (Nonadb F B C M >=05p I :>=5p Chrys Amphibole honasb Ambig/ND No Coord Au Elements)

2S //

Struct = >b.5(j > 5:1 Aspect Ratio Grid acceptance: I ■V= Positive diffraction pattern properties conforming to <60% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >6u EDS speotrutn conforming to laboratory 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 M = Matrix ■ - I Tremolite Actinclite I Non-Identified NSD = No Siructures Detecteo

CITY_21MC100_003271221

NYC-WTC_000202256