GO. Structure Structure Type Length ID of structure N or EDS .
No >=05 p (Nonadb
F B C M >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
Struct = > 0.5|j >5:1 Aspect Ratio Grid acceptance:
>/= Positive diffraction pattern properties conforming to <50% undissolued 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) i Anthophyllite Non-Asbestos
M = Matrix Trennolite
Actinolite Non-Identified
NSD = No Structures Detected
CITY_21MC100_002921855
NYC-WTC_000225768
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NYC-WTC_000225768Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on April 16, 2002.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on November 10, 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on April 16, 2002.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on November 10, 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on April 16, 2002.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on November 10, 2001.