NYC-WTC_000217948

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NA’C BOE Volume (liters): 1920 Lab Group^ #: 6703 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 1 Grid Opening Size: 0.01124 Client Sample #: 01 Area Examined: 0,04496 mm-

GRID BOX: 1 Magnification: 20,000 GRID ID : Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/17/02

Analysis Performed By: ROMAN PEYSAKHOV

GO- Structure Structure Type Length ID of Structure NotL ) EDS No F B C M >=05 M Chrys Amphibole Nonasb , No Coond <5u * Elements) j 7/^ I

Struct = > 0.5n .> 5:1 Aspect Ratio Grid acceptance; V= Positive diffraction pattern properties conforming to '50% undissolved filter, overtop^ or folded Totals laboratory bentification critena observed InPvA^e/snj <10% particulate coverage >50% coverage ate

\'= EOS spectrum conforming to laboratory least 20 unfolded or overtapped grid squares <5% holes or opaque areas F B C 5 M ; identification critsna observed Chr\'sotile “1 I AMPHIBOLES Amphibole F = Single Fiber Amosite S = Bundle (<3 libers <1 fiber diameler apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remolite M = Matrix Actinolite Non-Identified i NSD = No Structures Detected

CITY_21MC100_002878114

NYC-WTC_000217948