NYC-WTC_000230140

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1944 Lab Group #: 6429 Filter Type / Filter Area: MCE 3 85. mm" Lab Sample #: 20 Grid Opening Size: 0.01124 Client Sample #: 20 , Area Examined: 0.04496 GRID BOX: . t/Y Magnification: 20,000 GRIDED: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 1/24/02

Analysis Performed By; ROMAN PEYSAKHOV

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

. /I

i I n

Struct = > 0.5(J. .> 5:1 Aspect Ratio Grid acceptance: ^;= Positive diffraction pattern properties confonning to <5^ undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grtd squares <5% F B C M >5p ’ ^1= EOS spectrum conforming to laboratory holes or opaque areas identmcation 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 • cfoirhirpR nfitected 1I Tremolite Actinolite Non-Identified

CONFIDENTIAL, CITY_21MC100_003388791 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230140