TEM Asbestos air sample results, NYC BOE, Apr 2002
Machine-extracted title · confidence 95%
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from NYC Board of Education facilities on April 30, 2002.
GO. Structure Structure Type Length ID of Structure Norv EDS :
No (Nonadb '
F B C M >=05 (J >=5p Chrys Amphibole Nonasb Ambig/NO
No Coord <5u Elements) |
/
23__
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
7= Positive diffraction pattern properties conforming to <50% undissolved (liter, 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
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria obsereed 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 Non-Identified
NSO = No Structures Detected
Actinolite
1... .1
CONFIDENTIAL, CITY_21MC100_003471379
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000177141
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NYC-WTC_000177141Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on April 3, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on April 4, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from NYC Board of Education facilities on April 30, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on April 3, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on April 4, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on April 3, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on April 4, 2002.