GO Structure Structure Type Length ID of Structure Norv EDS i
(Nonadb ■
No F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord Elements) I
<5p
T 33^
A----
Struct = > 0.du >5:1 Aspect Ratio Gnd acceptance:
\i'= Positive diffraction pattern properties conforming to undissolved filter, overlapped or folded Totals
laooratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C i M i >5u
v= ECS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
E = Singie Fiber Amosite
3 = 3undle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 mtersectionsi Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified j
Actinolite
NSC = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003471112
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176953
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000176953Source: 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.
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 NYC Board of Education site on January 26, 2002.