GO. Structure Structure Type Length ID of Structure N or n) EDS
No >=05 (J ; =5p (Nonadb.
F B C M Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
■ Struct = > 0.5(1 >5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to ^50% undissolved filter, overlapped or folded T() tills
laboratory identlRcation critena observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overtapped grid squares <5% F B C M >5p
a/= EDS spectrum conforming to laboraloiy holes or opaque areas
identification criteria observed Chrysotile
: AMPHIBOLES J Amphibole
r = Single Fiber Amosite
S = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 intersections) Anthophyllite Non-Asbestos
M = Matrix Tremolite
Actinolite Non-Identified
■ NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO3388689
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000230062
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NYC-WTC_000230062Source: NYC Law Department, mirrored locally