GO. Structure Structure Type Length ID of Structure N or N EDS
No (Nonadb
F i B C M >=05 u 5^ Chrys Amphibole Nonasb Ambig/ND
No Coord <5u Elemenls)
4^
P/ V
(I
3:22 if
Struct = > O.Sp > 5:1 Aspect Ratio Grid acceptance:
a/= 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 >5|j
y= 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 i (
CONFIDENTIAL, CITY_21MC1OO_OO3468426
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181390
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NYC-WTC_000181390Source: NYC Law Department, mirrored locally