GO. Structure Structure Type Length ID of Structure N or EDS
(Nonadb
No F B C M >=05 p :>=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5|j Elements)
Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance:
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 >5u
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 diamettir apart Crocidolite ' Ambiguous I
C - Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Actinolite Non-Identified
NSD = No Structures Detected [
CITY_21MC100_003094496
NYC-WTC_000193329
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NYC-WTC_000193329Source: NYC Law Department, mirrored locally