TEM asbestos air sample results, NYC BOE, Nov 2001
Machine-extracted title · confidence 95%
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from the New York City Board of Education on November 13, 2001.
GO, Structure Structure Type Length I ID of Structure N or EDS
(Nonadb [
No F B i C I M ■=0£p Chrys Amohiboie Nonasb Ambig/ND
No Coord <5u
Elements) I
i
o
I
r
i I
S_____ L
i ! i
P=4
1 [
Struct = > 0.5)1 > 5:1 Aspect Ratio Gnd acceptance:
4= Positive diffraction pattern properties conforming to undissoived filter, overtepped orfolded Totals
I I. _______ _____________________ —t <10% particulate coverage >50% coverage ate
laboratory identification criteria observed
least 20 unfolded or overlapped grid squares <5% i! F iI B ii C I1 M j >5m
'/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Clirysotile j
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite
Ambiguous i
C = Cluster (>3 Intersections)
i Anthophyllite i Non-Asbestos :
Tremolite
M = Matrix
Actinolite I Non-Ideniified )
NSD = No Structures Detected
CITY_21MC100_003106368
NYC-WTC_000185316
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NYC-WTC_000185316Source: NYC Law Department, mirrored locally
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Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a Board of Education site on November 15, 2001.
Laboratory data sheet recording transmission electron microscopy analysis of an air sample for asbestos fibers collected by the NYC Board of Education.