GO. Structure Structure Type Length ID of Structure Norv EDS
(Nonadb ,
No F B C >=05 pi >=51J Chrys Amphibole Nonasb Ambig/NO
yj No Coord <5m Elements)
-JL—
A
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
v = Positive diffraction pattern properties conforming to <50% -filter, overlapped or folded Totals
laborator/ identification criteria observed n10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped gnd squares <5% F B C [ M ■ >5|j
v= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
8 = Bundle i<3 fibers <1 fiber diameter apart Crocidolite
Ambiguous t i
C = Cluster (>3 Intersections) Anthophyllite Noti-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detectec
CONFIDENTIAL, CITY_21MC100_0 03471223
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000177032
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000177032Source: 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 April 4, 2002.
Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 26, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on April 4, 2002.
Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 26, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on April 4, 2002.
Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.