TEM Asbestos air sample results, NYC BOE, Feb 2002
Machine-extracted title · confidence 95%
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site in February 2002.
GO. Structure Structure Type Length ID of Structure NorN EDS
(Noradb
No F B C M >=05 u Chrys Amphibole Nonasb Ambig/ND
No Coord Elements)
<5p
f
xa /'
II
nS
Struct = > 0.5)1 >5:1 Aspect Ratio Grid acceptance:
0= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
<10% particulate coverage >50% coverage ate
laboratory identification criteria observed
least 20 unfolded or overlapped grid squares <5% F i B C M >5p
EDS spectrum^ coniorming to laboratory holes or opaque areas
identification criteria observeo Chrvsotile
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
Actinolite N on-Identified
NSD = No Structures Detected
CITY_21MC100_003103562
NYC-WTC_000183938
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000183938Source: 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 in February 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site in February 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site in February 2002.