GO. Structure Structure Type Length ID of Structure N or 7 EDS
No (Nonadb
F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5u Elements)
cf
if
Struct = > 0.5p _> 5:1 Aspect Ratio Grid acceptance:
’/= Positive diffraction pattern properties conforming to undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 2D unfolded or overlapped grid squares <5% F B C M >5u
■/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
I AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 libers <1 fiber diameter apart Crocidolite Ambiguous
■ C = Cluster (>3 Intersections) I Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO347O373
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176468
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NYC-WTC_000176468Source: NYC Law Department, mirrored locally