TEM Asbestos air sample data sheet, WC BOE, Dec 2001
Machine-extracted title · confidence 95%
Technical data sheet recording transmission electron microscopy parameters and results for an air sample from the World Trade Center Board of Education.
GO. Structure Structure Type Length ID of Structure N or V EDS
(Nonadb
No F B C M >=05 J >=5(j Chrys Amphibole NonasD AniDig/ND
^0 Coord I <5|j Elements)
___
—
-2 "3
Struct - = 0,5u >51 Aspect Ratio Grid acceptance:
4= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% partcuiate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5p
4= EDS spectrum conforming to laboratory holes or opaque areas
Identification critena observed Chry'sotile
] AMPHIBOLES , Amphibole
F = Single Fiber ! Amosite
S = Bundle (<3 fibers <1 fiber diameter apart I Crocidolite i Ambiguous
C = Cluster (>3 Intersections) ' Anthophyllite ' Non-Asbestos
Tremolite
M = Matnx Non-Identified
Actinolite
NSD = No Structures Detected
CITY_21MC100_003104984
NYC-WTC_000184341
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000184341Source: NYC Law Department, mirrored locally
Technical report presenting transmission electron microscopy data for an air sample analyzed on December 8, 2001 for the New York City Board of Education.