GO. Structure Structure Type ' Length ID of Structure N or 7 EOS
No (Nonadb
F B C M >=05 p >=5iJ Chrys Amphibole Nonasb Ambig/ND
No Coord Elements)
<5p
A 2^
X
AAL X
x
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 gn'd squares <5% F B C M >5m
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
j AMPHIBOLES Amphibole
F = Single Fiber ! Amosite
S = Bundle (<3 fibers <1 fiber diameter apart i Crocidolite
Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-ldentified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_009505431
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000178906
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NYC-WTC_000178906Source: NYC Law Department, mirrored locally