GO. Structure Structure Type Length ID of Structure N or EDS
No (Nonadb
F B I C M >=05 (J I Amphihoie Nonasb AmOig/ND
No Coord I <5p Elements)
--------- ----------
I
p r
Struct = > 0.5|j >5:1 Aspect Ratio Grid acceptance:
9= Positive diffraction pattern properties conforming to <50% undissolved lilter, overlapped or folded Totals
laboratory Identification criteria observed <1C% particulate coverage >50% coverage ate
least 2C unfolced or overlapped grid squares <5% F B C M >5u
4= EOS spectrum conforming to laboratory holes or opaque areas
identification enteria observed Clirysotile
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_003458367
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179166
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000179166Source: 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 February 2, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on February 2, 2002.