GO. Structure Structure Type Length ID of Structure N or EDS
No (NonatJb
F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND
■|No' Coord <5(J Elements)
2 -C/X
. iCT
Struct = > 0.5p -> 5;! 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
^/= EDS spectrum conforming to laboratory
least 20 unfolded or overlapped grid squares <5%
holes or opaque areas
F B c M >5M I
identification criteria 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
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No. Structures Delected
CITY_21MC100_002876275
NYC-WTC_000215965
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000215965Source: NYC Law Department, mirrored locally
Technical record of transmission electron microscopy analysis for an asbestos air sample from a New York City Board of Education facility dated November 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on December 18, 2001.
Laboratory report documenting transmission electron microscopy analysis of an air sample from the NYC Board of Education collected on December 24, 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on December 27, 2001.
Technical record of transmission electron microscopy analysis for an asbestos air sample from a New York City Board of Education facility dated November 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on December 18, 2001.
Laboratory report documenting transmission electron microscopy analysis of an air sample from the NYC Board of Education collected on December 24, 2001.
Technical record of transmission electron microscopy analysis for an asbestos air sample from a New York City Board of Education facility dated November 2001.
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities on December 18, 2001.
Laboratory report documenting transmission electron microscopy analysis of an air sample from the NYC Board of Education collected on December 24, 2001.