GO. Structure Structure Type Length ID Of Structure NorV EDS
Nc Amphibole (Nonadb
F B C M >=05 u Chrys Nonasb Ambig/ND
No .Coord <5u Elements)
11
33 X
(I
Struct = > 0.5p >5:1 A-spect Ratio Grid acceptance:
>/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria obsen/ed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% f F B C M >5u
■/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
.~AMP~HIBOLES~i Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matnx Actinolite Non-Identified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO3433545
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175825
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000175825Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.
Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.
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 filter sample collected from a New York City Board of Education site.
Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.
Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.