NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Ciieni ?Name: WC BOE Volume (liters): 1899
Lab Group 5898 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: Grid Opening Size: 0,01124
Client Sample #: 5 Area Examined: 0.04496 .mm-
GRID BOX: Magnification: 20,000
GRID ID: 2^ Accelerating V oltage: 100 KeV
# Grid Openings: 4 Analysis Date: 11/16/01
Analysis Performed By: ___________/Q'Z
ROMAN PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N or EDS
(NonaOb
No F B C M >=05 u >=5m Chrys Amphibole Nonasb Ambig/ND
No Coord <5u Elements)
/ X2~i
Struct = > 0.5 p > 5:1 Aspect Ratio Grid acceptance:
4= 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 grid squares <5%
holes or ooaque areas
F I B c M >5iJ :
Identification criteria observed Chrysotile )
AMPHIBOLES Amphibole | j
F - Single Fiber Amosite
3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous i
C = Cluster !>3 Intersections) Anthophyllite Non-Asbestos |
Tremolite
M = Matrix Non-Idcmiiied ;
Actinolite
NSD = No Structures Detected
CITY_21MC100_003275244
NYC-WTC_000202674
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