TEM Asbestos air sample results, NYC BOE, Mar 2002
Machine-extracted title · confidence 95%
Document recording transmission electron microscopy analysis data for an asbestos air sample from a New York City Board of Education site in March 2002.
Analysis Performed By:
-............ -MARKPEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or N — EDS
No (Nonadb
F B. C >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND
No ■ Coord <5p Elements)
A
3
Struct = > 0.5(1 >5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to *=50% undissolved fflter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
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 Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) I Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003470475
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176526
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NYC-WTC_000176526Source: 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 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 an air sample collected from a NYC Board of Education site on January 26, 2002.