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 y EDS
(Nonadb
No F B C >=05 y Chrys Amphiboie Nonasb AmbigrND
No Coord <5p Elements)
Struct = > 0.5p .> 5:1 Aspect Ratio Grid acceptance;
n/= Positive diffraction pattern properties conforming to <50% undissolved filter, overtapped or folded Totals
laboratory identification criteria obsen/ed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid sguares <5% F B C M >5p
i/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
Anthophyllite
C = Cluster (>3 Intersections)
Tremolite
Non-Asbestos i J____
M = Matrix Non-Identified I
NSD = No Structures Detected
Actinolite
.. L [
CONFIDENTIAL, CITY_21MC1OO_OO3467534
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180788
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000180788Source: NYC Law Department, mirrored locally
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 sample collected from a NYC Board of Education site on January 26, 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 air samples for asbestos collected from a New York City Board of Education facility.