GO Structure Structure Type Length ID of Structure N or V EDS
(Nonadb
No F B C M >=05 u >=5(j Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
—
Struct = > 0 5g > 5:1 Aspect Ratio Grid acceptance;
Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory denbficabon criteria observed <10% partculate coverage >50% coverage ate
least 20 unfoWed or overtapped grid squares <5% F B C M I >5u
'i- EDS spectrum conforming to laboratory holes or opaque areas
identificabon 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-Identified
Actinolite
NSO = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003394705
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000178658
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NYC-WTC_000178658Source: NYC Law Department, mirrored locally