GO. Structure Structure Type Length ID of Structure N or 7 EDS
No (Nonadb
F B C M >=05 M i '=5|J Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
'"''732:
7A ——
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 >5m
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES i Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 intersections) i Anthophyllite Non-Asbestos
I Tremolite
M = Matrix Non-Identified
! Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003466931
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180390
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NYC-WTC_000180390Source: NYC Law Department, mirrored locally