GO. Structure Structure Type Length ID of Structure N or >/ EDS
No >=05 p Amphibole (Nonadb
F B C M >=5p Chrys Nonasb Ambig/ND
No Coord <5p Elements)
z Xz
zS’z'
Struct = > 0 5p >5:1 Aspect Ratio Grid acceptance:
y= Positive diffraction pattern properties conforming to <50% undissolved liter, overiapped 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 >5p
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 I Crocidolite Ambiguous
C = Cluster (>3 Intersections) j Anthophyllite Non-Asbestos
j Tremolite
M = Matrix Non-Identified
i Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_0 03433629
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175859
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NYC-WTC_000175859Source: NYC Law Department, mirrored locally