GO. Structure Structure Type Length ID of Structure N or V eos
(Nonadb
No F B C M «Q5p >=5|J Chrys Amphibole Nonasb I Ambig?ND
<5m Elements)
zfs
Struct = >0.5p >5:1 Aspect Ratio Grid acceptance:
•J- pQsiSvB diffraction pattern properties conforming to <50% undiMotved Alter, overtapped or folded Totals
laboratory idenrtfleation criteria ooserved <10% paniculate coverage >50% coverage ate
least 20 unfolded or overtapped grid squares <5% F B C M >5u
• '/= EOS spectrum conforming to laboratory holes Of opaque areas .
identiflcaDon criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Rber Amosite
B = Bundle (<3 Abers <1 Aber diameter apart Crocidolite Ambiguous
C * Cluster (>3 intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix AcAnoiite Non-Identified
NSO = Alo Structures Cetected
CITY_21MC100_002901912
NYC-WTC_000228930
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NYC-WTC_000228930Source: NYC Law Department, mirrored locally