GO. Structure Structure Type Length ID of Structure Nor y EDS 1
No (Nonadb I
F B C M >=05 p >=5(j Chrys Amphibole Nonasb Ambig/ND
Elements) j
No Coord <5p
^0
Struct = >0.5p >5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to
<50% jndissoived filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ale
least 20 unfolded or overlapped grid squares <S% F B C M >su
'J= 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 Detected
CONFIDENTIAL, CITY_21MC100_003467986
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181107
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000181107Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on February 1, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on February 1, 2002.