GO. Structure Structure Type Length ID of Structure Norr EDS
No >=05 p Amphibole Nonasb Ambig/ND
(Nonadb
F B C M >=5|J Chrys
No) 'Coord <5u 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 gnd squares <5% F B C M >5u
^= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
I AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle {<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) j Anthophyllite Non-Asbestos
I Tremolite
M = Matrix Non-Identified
Actinolite
NSO = No Structures Detected
CONFIDENTIAL, CITY_21MC100_0 03470696
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176671
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NYC-WTC_000176671Source: NYC Law Department, mirrored locally