NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: m'C BOE Volume (liters): 1920
Lab Group #: 6910 Filter Type / Filter Area: MCE 3S5 mm-
Lab Sample #: J Grid Opening Size: 0.01124
Client Sample #: 03 Area Examined: 0-0449(5 mm-
GRID BOX: < Magnification: 20.000
GRID ID: .Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/3/02
Analysis Performed By
MARK PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N or m EDS
(Nonadb
No C I M >=05 y >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord i B <5y Elements)
.3
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 I C [ M f >5u
v= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Clirysotile
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_21MC100_003468279
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181292
OCR can misread numbers and units. Confirm readings against the page image before using them.