GO. Structure Structure Type Length ID of Structure N or EDS
(Nonadb
No F B C M >=05 (J >=5|J Chrys Amphibole Nonasb Ambig/ND
No Coord <5u Elements)
4
4
Struct = > O.Sp .>5:1 Aspect Ratio Grid acceptance:
V= Positive diffraction pattern properties conforming to <50% undissolved filter, overiapped or folded Totals
laboratory identification criteria obsen/ed <10% particulate coverage >50% coverage ate
least 20 unfolded or overtapped grid squares <5% F B C M >5u
y = EDS spectrum conforming to laboratory holes or opaque areas
identiflcabon cntena observed Chrysotile
■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
Actinolite
NSD = No Structures Detected
CITY_21MC100_003083264
NYC-WTC_000188984
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000188984Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on November 15, 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on November 15, 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on November 15, 2001.