GO. Structure Structure Type Length ID of Structure N or N EDS
No >=05 p (Nonadb
F B C M >=5(J Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
Struct = > 0.5u .> 5:1 Aspect Ratio Grid acceptance:
Positive diifraction pattern properties conforming to <50% undissolved filter, overtapped or tolded Totals
Iaborato7 identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5p
•J- EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Cluysotile
"amphiboles" Amphibole
F > Single Fiber Amosite
S = Bundle (<3 fibers <1 liber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = tviatrix Non-Identified
Actinolite
NSD = No Structures Detected
CITY_21MC100_002872423
NYC-WTC_0002 15484
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NYC-WTC_000215484Source: NYC Law Department, mirrored locally