TEM Asbestos air sample results, NYC BOE, Nov 2001
Machine-extracted title · confidence 50%
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on November 15, 2001.
GO. Structure Structure Type Length ID of Structure Nor 7 EDS
No >=05 p I >=5jj (Nonadb
F B C M Chrys Amphibole Nonasb Amblg/ND
No Coord <5p Elements)
-74
♦
G 7 ‘47 24
Struct = >0.5p > 5:1 Aspect Ratio Grid acceptance:
■7= 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 grid squares <5% F B C M >5u
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 i
Tremolite
M = Matrix Non-Identified )
Actinolite
NSD = No Structures Detected I..
CITy_21MC100_003106469
NYC-WTC_000185375
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NYC-WTC_000185375Source: 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.