GO. Structure Structure Type ; Length ID of Structure N or 7 EDS
No (Nonadb
F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND
Elements)
No Coord <5p
A
Sb
23 i
Struct = > 0.5p .> 5:1 Aspect Ratio Grid acceptance:
7= Positive diffraction pattern properties conforrnitig to <50% unoissolved filter, overlapped cr 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
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
, AMPHIBOLES i Amphibole
F = Single Fiber Amosite
3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersecbons) Anthophyllite Non-Asbestos
I Tremolite
M = Matrix
; Actinolite Non-ldentified
NSC = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003388753
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000230107
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NYC-WTC_000230107Source: NYC Law Department, mirrored locally