GO. Structure Structure Type Length ID of structure N or V EDS
No (Nonadb
F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/NO
No Coord <5m Elements)
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
Posibve diffraction pattern properties conforming to <50% undissolyed filter, overlap^ or folded Totals
laboratory identification criteria observed
I kt, «« 1 I A kt Mai, <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5m
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
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003461653
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179817
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000179817Source: 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 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 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 4, 2002.