TEM Asbestos air count sheet, NYC BOE, Jan 31 2002
Machine-extracted title · confidence 50%
Laboratory count sheet recording transmission electron microscopy analysis data for an air sample collected from a New York City Board of Education site on January 31, 2002.
GO, Structure Structure Type Length ID of Structure N or v EDS
(Nonadb '
No F B C >=05 p Chrys Amphibole Nonasb j Amcig/NC Elements) j
No Coord <5p
J’
3'^ >
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
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 gnd 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 i Non-Asbestos
Tremolite
M = Matrix i Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003467640
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180857
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000180857Source: NYC Law Department, mirrored locally
Technical record showing transmission electron microscopy analysis data for an asbestos air sample collected from a New York City Board of Education site.
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Document recording laboratory analysis results for a transmission electron microscopy asbestos air sample collected from a New York City Board of Education site.
Technical record showing transmission electron microscopy analysis data for an asbestos air sample collected from a New York City Board of Education site.
Laboratory report documenting transmission electron microscopy analysis of an air sample for asbestos collected from NYC Board of Education facilities.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on February 4, 2002.
Technical record showing transmission electron microscopy analysis data for an asbestos air sample collected from a New York City Board of Education site.
Laboratory report documenting transmission electron microscopy analysis of an air sample for asbestos collected from NYC Board of Education facilities.