GO. Structure Structure Type Length ID of Structure Norv EDS
No (Nonadb
F B C M >=5p Chrys Amphitxjte Nofiasb Ambig/ND
No J^oord <5m -• Elements)
7
Struct = >0.5p >5:1 Aspect Ratio Grid acceptance:
A- Positive diffraction pattern properties conforming to <50% undissolved filter, overiapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overiapped grid squares <5% F B C M >5m
'/= 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 Intersectiens) Anthophyllite. Non-Asbestos
Trernolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003461742
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179875
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NYC-WTC_000179875Source: NYC Law Department, mirrored locally