NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): ! 920
Lab Group #: 6910 Filter Tvpe / Filter Area: MCE 3F5
Lab Sample 15 Grid Opening Size: 0 Oi i24
Client Sample #: 15 Area Examined: 0.04496 mrr-
GRID BOX: Magnification: 20,000
GRID IP : 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 v EDS
No >=5jj (Monadb
F B C M >=05 p ~ Chrys Amphibole Nonasb AmbigZND
No Coord <5p Elements/
a
—t
Struct = > 0.5g >5:1 Aspect Ratio Grid acceptance:
Posibve diffraction pattern properties conforming to undissolved to. overtap^d or folded Tot^
laboratory identification criteria observed
If,^ Im M M a* « laJAMiittAMStAA A Vkm AM < A/J <10% particulate coverage >50% coverage ate
V= EDS spectrum conforming to laboratory
least 20 unfolded or overlapped grid squares <5% MB c ; M ; >5p
holes or opaque areas
identification criteria observed Chiysotile 1 i
AMPHIBCLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite
.Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite ------------------- i-
M = Matrix Actinolite Non-ldeniilied j
NSD = No Structures Detected
CITY_21MC100_000465918
NYC-WTC_000218120
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