GO. Structure Type Length ID of Structure NorN EDS
(Nonadb
F B C >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND
Elements)
No I Coord <Sp
zs
Struct = > 0-5u .> 5:1 Aspect Ratio Grid acceptance:
'J = Positive diffraction pattern properties conforming to undissolved filter, overlapped or folded Totals
labotatoty identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M
■7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
1 AMPHIBOLY Amphibole
F = Single Fiber Amosite
B = Bundle {<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
i Tremolite
M = Matrix
Actinolite Non-Identified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003387886
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000229757
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NYC-WTC_000229757Source: NYC Law Department, mirrored locally