TEM Asbestos air sample results, NYC BOE, Mar 2002
Machine-extracted title · confidence 95%
Technical document showing transmission electron microscopy results for an asbestos air sample collected from a New York City Board of Education facility.
GO. Structure Structure Type Length ID of Structure NorW EDS
No (Nonadb
F B C M >=05 p :>=5|J Chrys Amphibole Nonasb Ambig/ND
No . Coord <5p Elements)
_ —022^
□ -- «!-
Struct = > 0.5)1 > 5:1 Aspect Ratio Grid aKeptanoe:
Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ale
least 20 unfolded or overlapped grid squares <5% F B C M >5p
EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
! AMPHIBOLY Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) i Anthophyllite Non-Asbestos
I Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO347O478
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176529
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000176529Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.
Laboratory report containing transmission electron microscopy findings for an asbestos air sample collected from a New York City Board of Education location.
Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.
Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.