TEM Asbestos air sample results, NYC BOE, Nov 2001
Machine-extracted title · confidence 50%
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a Board of Education site on November 15, 2001.
GO, Structure Structure Type Length ID of Structure N or \ EDS I
No (Nonadb i
F B C M >=05 M Chrys Amphibole Nonasb Ambig/ND
No Coord <5 (J Elements) j
A/5£ ___________ I
i
I
i
T
T
Struct = >0.5u >5:1 Aspect Ratio Grid acceptance:
7= Positive diffraction pattern prooerties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F BjC M >5ij
7= 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) Anthophyllite Non-Asbestos
Tremolite
M = Matrix j Non-Identified
Actinolite
NSD = No Structures Detected
CITY_21MC100_003106440
NYC-WTC_000185358
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NYC-WTC_000185358Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on November 15, 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on November 15, 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on November 15, 2001.