NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name NYC BOE Volume (liters) 1944
Lab Group # 8739 Filter Type / Filter Area MCE 385 mm
Lab Sample # 8 Grid Opening Size 0 01124
Client Sample # 8 Area Examined 0 04496 mm^
GRID BOX fS Magnification 20 000
GRID ID Accelerating Voltage 100 KeV
tt Grid Openings 4 Analysis Date 8/23/02
Analysis Performed By
ROMAN PEYSAKHOV
GO Structure Structure Type Length ID of Structure Norv EDS
No A., i -5p (Nonadb
F B C M Chrys Amphibole Nonasb Amb g/ND
No Coord 5p Elements)
§
-U__
Struct = > 0 5p >51 Aspect Ratio Gnd acceptance
V Positive diffraction pattern properties conforming to 50 / undissolved filter overlapped or folded Totals
laboratory dentification critena observed 10/ particulate coverage 50/ coverage ate
least 20 unfolded or overlapped gnd squares 5 / F B C M 5p
V EDS spectrum conforming to laboratory holes or opaque areas
dentification cntena 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 Matnx Non Identified
Actinolite
NSD No Structures Delected
CONFIDENTIAL, CITY_21MC100_003431145
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175462
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