TEM Asbestos air sample results, NYC BOE, Apr 2002
Machine-extracted title · confidence 95%
Laboratory report documenting transmission electron microscopy analysis of an air asbestos sample from the NYC Board of Education dated April 10, 2002.
GO. Structure Structure Type Length ID of Structure Norv EDS
No (Nonadb
F B C M >=05 M Chrys Amphibole ' Nonasb Ambig/ND
No Coord <5p Elements)
Struct = > O.Spi >5:1 Aspect Ratio Grid acceptance:
7= Positive'diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
<10% particulate coverage >50% coverage ate
laboratory identification criteria ocserved
least 20 unfolded or overlapped grid squares <5% F B C M >5p
V= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Clirysotile
; AMPHIBOLES : Amphibole
F = Single Fiber i Amosite
B = Bundle (<3 fibers <1 fiber diameter apart ) Crocidolite Ambiguous
C = Cluster (>3 Intersections) ! Anthophyllite Non-Asbestos
M = Matrix
' Tremolite
Actinolite Non-Ideniified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_0 09505370
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000178873
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NYC-WTC_000178873Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air asbestos sample from the NYC Board of Education dated April 10, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.
Document containing transmission electron microscopy results for an asbestos air sample from a New York City Board of Education facility in March 2002.
Laboratory report documenting transmission electron microscopy analysis of an air asbestos sample from the NYC Board of Education dated April 10, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air asbestos sample from the NYC Board of Education dated April 10, 2002.