GO. Structure Structure Type Length ID of Structure Nor3 EDS
No (Nonabb
F B C M >=05 M >=5(3 Chrys Amphibole Nonasb- Ambig/ND
Elements)
No Coord <5p
/ <31 >>
7
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
'/= Positive diffraction pattern properties conforming to <50% undissolved filter, overiapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5u
V= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chiysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite i
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite i Non-Asbestos
M = Matrix Tremolite
Actinolite ; Non-Identified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003388695
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000230068
OCR can misread numbers and units. Confirm readings against the page image before using them.
NYC-WTC_000230068Source: NYC Law Department, mirrored locally
Technical data sheet for the first transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
Technical data sheet for the fourteenth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
Technical data sheet for the first transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
Technical data sheet for the first transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.