NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: WC BOE Volume (liters): 1920
Lab Group #: 6872 Filter Type / Filter Area: MCE 385 mni-
Lab Sample #: 1 Grid Opening Size: 0.01124
Client Sample #: 01 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000’
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/1/02
Analysis Performed By: /\Y'
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or 9 EDS
No (Nonadb
F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Eiemgnis)
zxSzzazz
Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance:
y= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
v= EDS spectrum conforming to laboratory
least 20 unfolded or overlapped grid squares <5%
holes or opaoue areas
F I B C M >5u
identification criteria observed Chiysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 liber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matnx Non-Identified
Actinolite
NSD = No Structures Detected I.
CONFIDENTIAL, CITY_21MC100_003468217
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181254
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