GO Structure Structure Type Length ID of Structure Norv EDS
No (Nonadb
F B C >=05 p >=5p Chrys Amphibole Nonasb Ambig^D
ioord <5p Elements)
E2
Struct = >0.5p >5:l Aspect Ratio Grid acceptance:
= Positive diffraction pattern properties confomning to undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overiapped 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 libers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
T remolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003461578
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179759
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NYC-WTC_000179759Source: NYC Law Department, mirrored locally