GO. Structure Structure Type Length ID of Structure N or EDS
No >=05 p Amphibole Nonasb Ambig/ND
(Nonadb
F B C M Chrys
No Coord <5p Elements)
23
Struct = >0.5p >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 overiapped grid squares <5% F B C M >5m
"/= EDS spectrum confonning to laboratory holes or opaque areas
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 Non-Identifled
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003461621
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179793
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NYC-WTC_000179793Source: NYC Law Department, mirrored locally