NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: m’C BOE Volume (liters): 1928
Lab Group #: 5974 FiltetilVEeTJiiltetiATe^ MCE 385 mm-
Lab Sample #: 11 Grid Opening Size: 0.01124
Client Sample #: 11 Area Examined: 0.04496 mm=
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
SGridOpenings; 4 Analysis Date: 11/26/01
Analysis Performed By:
MARK PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N or “V EDS
(Nonadb
No F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND
No Coord <5m Elements)
7^
Z.
Struct = > 0.5)1 > 5:1 Aspect Ratio Grid acceptance:
7= 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 M >5u
7= EDS spectrum conforming Io laboratory holes or opaque areas
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
T remolite
M = Matrix Non-Identified
Actinolite
WSC = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003458427
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179193
OCR can misread numbers and units. Confirm readings against the page image before using them.