NYC 9/11 Public Portal Document
TEM Asbestos fair) Count Sheet
Client Name: NYC BOE Volume (liters): 1808
Lab Group #: 8038 Filter Type / Filter Area: MCE 385 mm^
Lab Sample #: 11 Grid Opening Size: 0.01124
Client Sample #: 13 Area Examined: 0.04496 mm"
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 6/10/02
Analysis Performed By:
ROMAN PEYSAKHOV
GO. structure Structure Type Length ID of structure N or N EDS
(Nonadb
No F B C M >=5m Chrys Amphibole Nonasb Ambig/NO
,__ , No Coord <5p Elements)
yS -4—
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
Totak
laboratory identiticatton criteria observed
least 20 unfolded or overlapped grid squares <5% F B C M >5u
■/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
-AMPHIBOLES Amphibole
F = Single Fiber Amosite
8 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identifieri
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003388480
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000229910
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