NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lab Group #: 6716 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 3 Grid Opening Size: 0.01124
Client Sample #: 03 Area Examined: 0.04496 mm^
GRID BOX: ,, 1 Magnification: 20,000
GRID ID: Accelerating Voltage: too KeV
# Grid Openings: 4 Analysis Date: 2/18/02
Analysis Performed By:
ROMAN PEYSAKHOV
GO Structure Structure Type Length ID of Structure N or 7 EDS
(Nonadb
. No Coord
No F B c M >=05 p :>=5)j Chrys Amphibole Nonasb Ambig/ND
Elemenls)
<5p
IL
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
-/= EDS spectrum conforming to laboratory
least 20 unfolded, or overlapped gnd squares <5%
holes or opaque areas 7 c M >5u
identification criteria observed ■ Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = 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_003467998
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181114
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