GO. Structure Structure Type Length ID of Structure Norv EDS
(Nonadb
No F B C M >=05 |j >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5|j Elements)
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
'/= Positive diffractlDn 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 >5p
’/= ED5 spectrum conforming to iaooratory 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) Anthoptiyllite i Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO34591O1
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179399
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NYC-WTC_000179399Source: NYC Law Department, mirrored locally