NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: WC BOE Volume (liters): 1920
Lab Group #: 6976 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 12 Grid Opening Size: 0.01124
Client Sample #: 12 Area Examined: 0.04496 mm=
GRID BOX: Magnification: 20,000
GRID ID : Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/8/02
Analysis Performed By:
MARK PEYSAKHOV
GO, Structure Structure Type Length ID of Structure Nor EDS
No (Nonadb
F B C M >=06 p Chrys Amphibole Nonasb Ambig/ND
No Coord <5m Elements)
---------------
Struct = > 0.5p >5.1 Aspect Ratio Grid acceptance:
v/= 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 I M >5u
1/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chiysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
T remolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003468370
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181356
OCR can misread numbers and units. Confirm readings against the page image before using them.