TEM Asbestos air sample results, NYC BOE, Jan 2002
Machine-extracted title · confidence 95%
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 26, 2002.
GO. Structure Structure Type Length ID of Structure N or N EDS
No >=05 u Amphibole
(Nonadb
F B C Chrys Nonasb I Ambig/ND
■ No Coord <5u Elements)
J
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
'/= 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 gnd squares <5%
•/= EDS spectrum conforming to laboratory holes or opaque areas ______ P B C M >5u
identification criteria observed Chrysotile j
AMPHIBOLES Amphibole I
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix
NSD = No Structures Detected
Actinolite Non-Identified
...1
CONFIDENTIAL, CITY_21MC100_003467535
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180789
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NYC-WTC_000180789Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 26, 2002.
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 filter sample collected from a New York City Board of Education site.
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 February 2, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 26, 2002.
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 NYC Board of Education site on January 26, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.