GO. Structure Structure Type Length ID of Structure NorN EDS 1
No (Nonadb |
F B C M >=05 p :>=5p Chrys Amphibole Nonasb Ambig/ND
Elements) ;
No Coord <5p
------ C
Struct > uSu > 5;l .Aspect Ratio Grid acceptance:
7= Positive diffraction pattern properties conforming to undissolved filter, overlapped or folded Totals
<10% particulate coverage >50% coverage ate
laborator/ identification criteria ooserved
EDS spectrum conforming to laboratory
least 20 unfolded or overlapped grid squares <5%
holes or opaque areas
T M I
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
S = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix
Actinolite Non-Identified j
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_0 03470965
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176857
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000176857Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.
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 filter sample collected from a New York City Board of Education site.
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 filter sample collected from a New York City Board of Education site.
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.