NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
ClientName: NYC BOE Volume (liters): 1920
Lab Group #: 7182 Filter Type / Filter Area: MCE 385 mm-
LalT Samnle^ 10 Grid Opening Size: 0.01124
Client Sample #: 10 Area Examined: 0.04496 mm-
Magnification:
w
GRID BOX: 20,000
GRIDID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/23/02
Analysis Performed By:
ROMAN PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N or N 7 EDS
No >=05 u 'T~P~'kin ' (Nonadb ,
F B C M Chrys Amphibole Nonasb Ambig/ND ;
Elements)
No Coord <5m
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to
<50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5|j
V= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES . Amphibole
F = Single Fiber Amosite ;
S = 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_003468712
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181612
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