GO. Structure ' Structure Type Length ID of Structure N or <1 EDS
No (Monadb
F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
—‘—
Struct = >0.5p >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 I C M i >5u
7= EDS spectrum contorming to laboratory
idenilficatlon criteria observed
holes or opaque areas
Chrysotile —h-
AMPHIBOLES j Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart S Crocidolite I Ambiguous
C = Cluster (>3 intersecionsi : Anthophyllite )
Non-Asbestos
1 Tremolite
M = Matrix
i Actinolite Non-Identified
NSD = No Structures Delected
CITY_21MC100_003105073
NYC-WTC_000184407
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000184407Source: NYC Law Department, mirrored locally
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a Board of Education site on November 15, 2001.
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a Board of Education site on November 15, 2001.
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a Board of Education site on November 15, 2001.