GO. Structure Structure Type Length ID of Structure N or 7 EDS
No (Nonadb
F B C M >=05 p >=5(j Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
Struct = > 0.5p > 5 I Aspect Ratio Grid acceptance:
7= Positive ditfraction 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
7= EDS spectrum conferring 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
Tremolite
M = Matrix Non-ldentiFied
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_001902314
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000178535
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NYC-WTC_000178535Source: NYC Law Department, mirrored locally