GO. Structure Structure Type Length ID of Structure N or V EDS I
No (Nonadb |
F B C M >=05 u Chrys Amphibole Nonasb Ambig/ND
, No J^^oord Elemenfs) i
<5p
/HItElE
T
Struct = > O.Sg >5:1 Aspect Ratio Grid acceptance:
V= 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
V= EDS spectrum conforming to laboratory holes or opaque areas
idenfficatron 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
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO3468129
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181206
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NYC-WTC_000181206Source: NYC Law Department, mirrored locally