NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lab Group #: 7558 Filter Type / Filter Area: MCE 385 mm^
Lab Sample #: 7 Grid Opening Size: 0.01124
Client Sample #: 07 Area Examined: 0.04496 mm*
GRID BOX: Magnification: 20,000
GRID ID: 3727 Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 4/28/02
Analysis Performed By:
- ROMAN PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N"or V EDS
No (Nonadb I
F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND
No Coord <5m Elements) |
I
i
t
Struct - > O.Sg > 5:1 Aspect Ratio Grid acceptance:
7= Positive diffraction pattern properties conforming to '^0% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
7= EDS spectrum conforming to laboratory
least 20 unfolded or overlapped grid squares <5%
holes or opaque areas
FTb c M >5p
identification criteria observeo Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 intersections) Anthophyllite Non-Asbestos
T remoiite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003471318
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000177097
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