GO. structure Structure Type Length ID of structure N or V EDS
(Nonadb
No F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND
__ No Coord <5p Elements)
Struct = > 0.5p .>5:1 Aspect Ratio Grid acceptance:
>/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5tJ
EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
i amphiboles Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (»3 Intersections) I Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CITY_21MC100_003089903
NYC-WTC_000190854
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000190854Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on November 8, 2001.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on November 8, 2001.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on November 8, 2001.