GO. Structure Structure Type Length IDofStructure NorN EDS
No (Nonadb
F B C M >=05 M >=5(j Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements) '
-
U4
Struct = > 0.5(1 >5:1 Aspect Ratio Grid acceptance:
'/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory icentification criteria obse^ed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F i B I C : M I >5u
y= EDS spectrum conforming to laboratory holes or opaque areas
identification critena observec Chrysotile !
AMPHIBOLES Amphibole [
F = Single Fiber Amosite
B = Bundle i<3 'ibers <1 fiber diameter apan Crocidolite Ambiguous )
C = Cluster !>3 Intersectionsi Anthophyllite j Non-Asbestos j
Tremolite
M = Matrix Non-Identified j
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003471128
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176965
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000176965Source: NYC Law Department, mirrored locally
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from NYC Board of Education facilities on April 30, 2002.
Technical data sheet recording transmission electron microscopy parameters and observations for the ninth asbestos air sample analyzed on January 22, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from NYC Board of Education facilities on April 30, 2002.
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from NYC Board of Education facilities on April 30, 2002.