GO, Structure Structure Type Length ID of Structure N or EDS
No (Nonadb
F B C >=05 p Chrys Amphibole Nonaso Ambig/ND
, No Coord <5p Elements) :
^4 ----------- 1
tf _JZ— ■2.
____
I
i 1
Struct = > 0.5(1 >5:1 Aspect Ratio Grid acceptance:
/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% paidiculate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C [ M I >5p
EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Cln-ysotile I I
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 Detected
CONFIDENTIAL, CITY_21MC100_003468263
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181282
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000181282Source: 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 January 31, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on January 31, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on January 31, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site on January 31, 2002.