GO Structure Structure Type Length ID of Structure oi 9 EDS
No (Nonadb
F I B C M >=05 p >=5|j Chrys 1 Amphibole Nonasb Ambig/ND
No Cooid <5p Elements)
—i—
Struct = > 0 5p >51 Aspect Ratio Grid acceptance
7 = Positive diffraction pattern properties conforming to <50% undissoived 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 >5U
^1= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Cliiysotile
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 Non-Identified
NSD = No Structures Detected
CITY_21MC1OO_OO3O8868O
NYC-WTC_000190155
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000190155Source: NYC Law Department, mirrored locally
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from the NYC Board of Education on April 13, 2002.
Laboratory record documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on November 21, 2001.
Laboratory record documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on November 21, 2001.
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from the NYC Board of Education on April 13, 2002.