. . GO. Structure Structure Type Length ID of Structure Nor y EDS
(Nonadb
No F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord Elements)
<5u
-4U_
'x
Struct = > O.Sp > 5:1 Aspect Ratio Grid acceptance:
V= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory idenliftcation criteria observed <10% paniculate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M
'J- EDS spectrum conforming to laboratory bolas or opaque areas
identification criteria observed Chrysotile
amphiboles Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite
Ambiguous
C=<luster (>3 iniersections) Anthophyllite Non-Asbcstos
Trennoiite
M = Matrix Actinolite Non-ldentified
NSD = No Structures Delected
CONFIDENTIAL, CITY_21MC100_003430566
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175201
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NYC-WTC_000175201Source: NYC Law Department, mirrored locally