TEM Asbestos air sample results, NYC BOE, Apr 2002
Machine-extracted title · confidence 50%
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on April 4, 2002.
GO. Structure Structure Type Length ID of Structure Norv EDS
(Nonadb
No F B C M >=05 p i>=5m Chrys Amphibole Nonasb Ambig/ND
No Coord Elements)
<5|J
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
7= Positive diffraction pattern properties conforming to '50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed
r Am M M AiXmm A. MM ms'iAmmm <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F BjC M >5u
'/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Clirysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
T remolite
M = Matrix Non-Identified
Actinrolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO347O823
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176758
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000176758Source: NYC Law Department, mirrored locally
Technical report presenting transmission electron microscopy results for an asbestos air sample collected from a New York City Board of Education facility.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 26, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 26, 2002.
Technical report presenting transmission electron microscopy results for an asbestos air sample collected from a New York City Board of Education facility.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 26, 2002.
Technical report presenting transmission electron microscopy results for an asbestos air sample collected from a New York City Board of Education facility.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 26, 2002.