GO. Structure Structure Type Length ID of Structure NorN EDS
No >=05 M Amphibole Nonasb Ambig/ND
(Nonadb
F B C M >=5p Chrys
No Coord <5u Elements)
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
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
; AMPHIBOLES Amphibole
F = Single Fiber 1 Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix I Actinolite Non-Identified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003466850
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180348
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NYC-WTC_000180348Source: NYC Law Department, mirrored locally