GO. Structure Structure Type Length ID of Structure N or < EDS
No >=05 p T :>=5(J Amphibole (Nonadb
F B C M Chrys Nonasb Ambig/ND
No . Coord <5m Etemenis)
2
3
Struct = >0.5p > 5:1 Aspect Ratio Grid acceptance:
n/= 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
r/= EDS spectrum conforming to laboratory holes or opaque areas
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
I Tremolite
M = Matrix Non-Identified
' Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_0 03470505
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176547
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NYC-WTC_000176547Source: NYC Law Department, mirrored locally