GO, Structure Structure Type Length ID of Structure N or V EDS
No (Nonadb
F B C M >=5p Chrys Amphibole Nonasb Ambig/ND
No <5m Elements)
L
f
^0 -
Struct = >0.5p >5:1 Aspect Ratio Grid acceptance:
A- Positive diffraction pattern properties conforming to <50% undissolved filter, overtapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overiapped grid squares <5% F B C
'^= 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 Non-Asbestos
T remolite
M = Matrix Actinolite Non-Identified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003468756
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181644
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NYC-WTC_000181644Source: NYC Law Department, mirrored locally