NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1840
Lab Group #: 7597 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: Magnification: 20,000
GRID ID: 213’ Accelerating Voltage: too KeV
# Grid Openings: 4 Analysis Date: 5/1/02
Analysis Performed By:
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or 3 EDS
(Nonadb
No F B C M >=05 M >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5m Elements)
ir
-J—
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
'/= Positive diffraction pattern properties conforming to ^^0% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
EDS spectrum conforming to laboratory
least 20 unfolded or overfapped grid squares <5% F B C M I >5p
holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
6 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003471400
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000177154
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