TEM Asbestos air sample results, NYC BOE, Mar 2002
Machine-extracted title · confidence 95%
Document recording laboratory analysis results for a transmission electron microscopy asbestos air sample collected from a New York City Board of Education site.
GO. Structure Structure Type Length ID of Structure Norv EDS .
No [Nonadb
F B C M >=05 M :>=5p Chrys Amphibole Nonasb Ambig/ND
No ■ Coord <5m Elements)
Struct = > 0.5n >5:1 Aspect Ratio Grid acceptance:
/= 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 >5p
V= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES i 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
Actinolite
NSD = No Structures Delected
CONFIDENTIAL, CITY_21MC100_003470482
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176533
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NYC-WTC_000176533Source: NYC Law Department, mirrored locally
Technical record showing transmission electron microscopy analysis data for an asbestos air sample collected from a New York City Board of Education site.
Document containing transmission electron microscopy results for an asbestos air sample from a New York City Board of Education facility in March 2002.
Technical record showing transmission electron microscopy analysis data for an asbestos air sample collected from a New York City Board of Education site.
Technical record showing transmission electron microscopy analysis data for an asbestos air sample collected from a New York City Board of Education site.