GO. Structure Structure Type Length ID of Structure N or V EDS
No (Nonadb
F B C M >=05 M >=5|j Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
Struct = > O.Sp >5:1 Aspect Ratio Grid acceptance:
V= 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 >5p
EDS spectrum conforming to iaboratory
B C M
holes or opaque areas
identification criteria observed Chrysotile
• AMPHIBOLES ' Amphibole
F = Single Fiber Amosite I
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite i Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
T remolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003468664
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181576
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NYC-WTC_000181576Source: NYC Law Department, mirrored locally