GO. Structure Structure Type Length ID of Structure N or 7 EDS
No (Nonadb
F B C M >=05 |j Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
e-
. Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
7= 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 >5u
'/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
I AMPHIBOLES i Amphibole
F = Single Fiber
B = Bundle (<3 fibers <1 fiber diameter apart
Amosite
Crocidolite
i Ambiguous.
Anthophyllite j
C = Cluster (>3 Intersections) Non-Asbestos
M = Matrix
Tremolite i
Actinolite Non-Identified
NSO = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO3468596
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181513
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NYC-WTC_000181513Source: NYC Law Department, mirrored locally