GO. structure Structure Type Length ID of Structure N or N EDS i
(Nonadb |
No F B C M >=05 M >=5iJ Chrys Amphibole Nonasb Ambig/ND
No Coord <5u Elements) I
TT^ i
/s
____
-J__
____
_____
Struct == > 0.5|u >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
\'= EDS spectrum conforminc to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
3 = Bundle (<3 fibers <1 fiber diameter apart Crocirdolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003471070
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176929
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NYC-WTC_000176929Source: NYC Law Department, mirrored locally