j GO. Structure Structure Type Length ID of Structure Norv EDS
No >=05 p (Nonadb
F B C >=5(j Chrys Amphibole Nonasb Ambig/ND
I No ! Coord <5p Elements)
□ <3
i----
I------ i
!—r
n
Struct = > 0.5n _> 5:1 Aspect Ratio Grid acceptance:
a/ = Positive diffraction pattern properties confonning to ™^fatecwei^foWed^ Totals
laboratory identification criteria observed
least 20 unfolded or overlapped grid squares <5% F B C M >5p :
■7= 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) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-ldentified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003470434
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176504
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NYC-WTC_000176504Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 26, 2002.
Document recording transmission electron microscopy analysis data for an asbestos air sample from a New York City Board of Education site in March 2002.
Record containing transmission electron microscopy findings for an asbestos air sample collected from a New York City Board of Education location in March 2002.
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 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.
Document recording transmission electron microscopy analysis data for an asbestos air sample from a New York City Board of Education site in March 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site on January 26, 2002.
Document recording transmission electron microscopy analysis data for an asbestos air sample from a New York City Board of Education site in March 2002.