GO. Structure Structure Type Length ID of Structure N or 7 EDS
(Nonadb
No F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
k
iL
---------------
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance;
4= 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 >5p
>)= 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 diameter apart Crocidolite
Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Delected
CONFIDENTIAL, CITY_21MC100_003459039
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179364
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000179364Source: NYC Law Department, mirrored locally