GO, Structure Structure Type Length ID of Structure N or N EDS
No >^6^0 :>=51J (Nonadb
F B C M Chrys Amphibole Nonasb Ambig/ND
No Coord <5p , Elements)
lirPS
Ugg
6
•i——-4r
Struct = > 0.5n > 5:1 Aspect Ratio Grid acceptance:
^/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria obsenred <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 Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
M = Matrix -
Tremolite
Actinolite Non-Identified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003470414
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176493
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NYC-WTC_000176493Source: NYC Law Department, mirrored locally