GO. Structure Structure Type Length ID of Structure N or 7 EDS
No (Nonadb
F 0 C M >=05 M >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5m Elements)
XT3I
Z > p -2
(I
Struct = > 0.5p >5:1 A.ioect Ratio Grid acceptance:
V = Positive diffraction pattern properties conforming to undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ale
least 20 unfolded or overlapped grid squares <5% F i B I C ! M >5|j
v= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle l<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster '>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix i\on-ldentified
Actinolite
NSD = Io Structures Detected
CONFIDENTIAL, CITY_21MC100_003471197
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000177015
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NYC-WTC_000177015Source: NYC Law Department, mirrored locally