GO. Structure Structure Type Length ID of Structure N or v EDS
No >=05 p (Nonadb
F B C M >=5tJ Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
!
Struct = > 0.5g > 5:1 Aspect Ratio Grid acceptance:
V= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory idenb'fication criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5|j
>/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES . Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite I Non-Asbestos
Tremolite ;
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected __________________ i
CONFIDENTIAL, CITY_21MC100_003467114
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180522
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NYC-WTC_000180522Source: NYC Law Department, mirrored locally