GO. Structure Structure Type Length ID of Structure N or y EDS
No (Nonadb
F B C M >=05 p : ■=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
3
Struct = > O.dp >5:1 /Aspect Ratio Grid acceptance:
y= Positive diffraction pattern oroperties 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 M i >5u
y = EDS spectrum confomiing to laboratory holes or opaque areas
B ! C
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matnx Non-ldentified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003471086
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176936
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NYC-WTC_000176936Source: NYC Law Department, mirrored locally