GO. Structure Structure Type Length ID of Structure N or EDS
a
No (Nonadb
F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND
, No Coord <5(J Elements)
/4s
I
I
Struct = > 0.5u >5:1 Aspect Ratio Grid acceptance:
7= Positive diffraction 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 I >5m
EDS spectrum conforming to laboratory holes or opaque areas ■
Identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
E = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003470980
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176865
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NYC-WTC_000176865Source: NYC Law Department, mirrored locally