TEM asbestos air sample results, NYC BOE, Jun 2002
Machine-extracted title · confidence 95%
Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.
GO. Structure Structure Type Length IDofStiucture N or ’Z EDS
No >=05 M (Nonadb
F B C M >=5p Ctirys Amphibole Nonasb Ambig/ND
No Coord <5m Elements)
119
Struct = >0.5p >5:1 ?\spect Ratio Grid acceptance;
a/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
Iaborato7 identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5p
'/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
: AMPHIBOLES i 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-Identified
Actinolite
NSO = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003422988
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175966
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NYC-WTC_000175966Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on April 4, 2002.
Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.
Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on April 4, 2002.