GO, Structure Structure Type Length ID of Structure N or 9 EDS
(Nonadb
No F B C >=05 p >=5tJ Chrys Amphibole NonasD Ambig/ND
No Coord <5p Elements)
FL Y
3F
ff
/(
3^ -
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance;
9= 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 I B C M ( >5p
9= EDS spectrum conforming to laboratory holes or opaque areas
identification onteria observed Chrysotile I
I
AMPHIBOLES Amphibole
F = Single Fiber Amosite
5 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix i Non-Identified
Actinolite
NSD = No Structures Detected L__L
CITY_21MC100_003106192
NYC-WTC_000185192
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000185192Source: 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 27, 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 18, 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 27, 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 27, 2001.
Laboratory report documenting transmission electron microscopy analysis of an air sample from the NYC Board of Education collected on December 24, 2001.