TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lah Group #: 6986 Filter Type / Filter Area: MCE 385 mm’
Lab Sample #: 8 Grid Opening Size: 0.01124
Client Sample #: 08 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000
GRID ID : Accelerating Voltage: TOO KeV
# Grid Openings: 4 Analysis Date: 3/8/02
Analysis Performed By:
MARK PEYSAKHOV
GO, Structure Structure Type Length ID of Structure Nor 9 EDS !
(Nonadb j
No C M >=05 M Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements) I
4
2 i--
Struct - > 0,5p >5:1 Aspect Ratio Grid acceptance:
9= 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 o' overlapped grid squares <5% F B C M
V= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Clirvsotile
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-ldentified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO3468386
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT, 2008
NYC-WTC_000181365
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NYC-WTC_000181365Source: NYC Law Department, mirrored locally